LG Display Co., Ltd. patent applications on February 6th, 2025

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Patent Applications by LG Display Co., Ltd. on February 6th, 2025

LG Display Co., Ltd.: 28 patent applications

LG Display Co., Ltd. has applied for patents in the areas of H10K59/80 (7), H01L25/16 (5), H10K59/40 (4), H01L33/62 (4), G06F3/041 (4) H01L27/1225 (2), H10K59/879 (2), G06F3/0421 (2), G06F3/0446 (2), H01L33/62 (2)

With keywords such as: layer, light, display, disposed, area, emitting, device, electrode, member, and touch in patent application abstracts.



Patent Applications by LG Display Co., Ltd.

20250044488. DISPLAY APPARATUS WITH IMPROVED REFLECTIVE VISIBILITY_simplified_abstract_(lg display co., ltd.)

Inventor(s): JuHun MIN of Paju-si (KR) for lg display co., ltd., SunWoong KIM of Paju-si (KR) for lg display co., ltd., SeungSoo YANG of Paju-si (KR) for lg display co., ltd., DongUk KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G02B5/02, H10K59/80

CPC Code(s): G02B5/0242



Abstract: a display apparatus and a coherence prevention member are discussed. the display apparatus in one example includes a display panel configured to display an image, and a coherence prevention layer on the display panel. the coherence prevention layer includes a refractive index particle layer and a filling layer on the refractive index particle layer. the refractive index particle layer includes a light-transmissive matrix and refractive index particles dispersed in the light-transmissive matrix. further, the filling layer and the refractive index particles have different refractive indices.


20250044631. Display Device and Manufacturing Method Thereof_simplified_abstract_(lg display co., ltd.)

Inventor(s): Sangyong Woo of Paju-si (KR) for lg display co., ltd., Hyunji Son of Paju-si (KR) for lg display co., ltd., Sooyoung Choi of Paju-si (KR) for lg display co., ltd., Hyejung Jin of Paju-si (KR) for lg display co., ltd., Dahee Lee of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G02F1/1333, G02F1/1343, G02F1/1362, G02F1/1368, G06F3/041, G06F3/044, H01L27/12, H01L29/786

CPC Code(s): G02F1/13338



Abstract: disclosed is a display device and a method of manufacturing the display device. the display device includes a pixel electrode disposed in an opening area; a common electrode having at least one region that overlaps the pixel electrode in the opening area; a gate line extending along a row direction in a non-opening area that surrounds the opening area; a data line extending along the non-opening area in a column direction that is perpendicular to the row direction; and a touch sensing line extending in the column direction across the opening area, wherein the opening area may have a shape in which a length of the opening area in the row direction is longer than a length of the opening area in the column direction.


20250044881. Display Device and Pen Touch System_simplified_abstract_(lg display co., ltd.)

Inventor(s): Kyuhwan Lee of Paju-si (KR) for lg display co., ltd., Jiseok Yang of Paju-si (KR) for lg display co., ltd., DongRyul Jung of Paju-si (KR) for lg display co., ltd., Jae Ho Lee of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/0354, G06F3/03, G09G3/3233, H10K59/38, H10K59/80

CPC Code(s): G06F3/03542



Abstract: a display device includes a first substrate including a plurality of transmissive areas allowing light having a first wavelength to be transmitted and a plurality of non-transmissive areas different from the plurality of transmissive areas, a plurality of light emitting elements disposed in the plurality of non-transmissive areas, an encapsulation layer on the plurality of light emitting elements, a code pattern layer in which at least one photoactive pattern including a photoactive material responsive to light having a second wavelength different from the first wavelength is disposed, and a cover window on the encapsulation layer, the at least one photoactive pattern being disposed in at least one of the plurality of transmissive areas.


20250044890. TOUCH DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): JaeHo LEE of Paju-si (KR) for lg display co., ltd., Jisu YOON of Paju-si (KR) for lg display co., ltd., Jiseok YANG of Paju-si (KR) for lg display co., ltd., Kyuhwan LEE of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/041

CPC Code(s): G06F3/0412



Abstract: a touch display device is disclosed. the touch display device includes a display panel. the display panel includes a light emitting element and a transistor made of a plurality of metal electrodes. the touch display device includes an infrared blocking film disposed on an emission surface of the display panel. the touch display device includes an infrared reflective pattern disposed on an inner or outer surface of the infrared blocking film.


20250044900. Touch Display Device_simplified_abstract_(lg display co., ltd.)

Inventor(s): Jae Ho Lee of Paju-si (KR) for lg display co., ltd., Jisu Yoon of Paju-si (KR) for lg display co., ltd., DongRyul Jung of Paju-si (KR) for lg display co., ltd., Kyuhwan Lee of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/042, G06F3/0354

CPC Code(s): G06F3/0421



Abstract: a touch display device comprising a display panel including a plurality of light emitting elements and a plurality of transistors and an infrared absorption pattern formed on an emission surface of the display panel, wherein electrodes included in the plurality of light emitting elements or electrodes included in the plurality of transistors are infrared reflective electrodes.


20250044901. TOUCH DISPLAY DEVICE AND DISPLAY PANEL_simplified_abstract_(lg display co., ltd.)

Inventor(s): Jae Ho LEE of Paju-si (KR) for lg display co., ltd., Ji Su YOON of Paju-si (KR) for lg display co., ltd., Dong Ryul JUNG of Paju-si (KR) for lg display co., ltd., Ji Seok YANG of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/042

CPC Code(s): G06F3/0421



Abstract: a touch display panel having a plurality of light emitting elements; a plurality of color filters formed at positions corresponding to the plurality of light emitting elements; and an infrared fluorescent pattern comprising a plurality of individual infrared fluorescent cell patterns formed at positions corresponding to at least some of the plurality of color filters; and an infrared control film positioned on a light emitting surface of the display panel.


20250044904. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): Jongmoo HA of Gimpo-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/044, H10K59/131, H10K59/40

CPC Code(s): G06F3/0446



Abstract: provided is a display device. according to an aspect of the present disclosure, there is provided a display device. the display device includes a display panel including a display area and a non-display area. the display device further includes a plurality of first touch electrodes disposed in the display area and arranged in a first direction. the display device further includes a plurality of second touch electrodes disposed in the display area and arranged in a second direction perpendicular to the first direction. the display device further includes a bridge portion disposed between the plurality of first touch electrodes and including a first touch connection line configured to connect the plurality of first touch electrodes.


20250044906. TRANSPARENT DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): JeongGi YUN of Paju-si (KR) for lg display co., ltd., Taehwan KIM of Paju-si (KR) for lg display co., ltd., Jonghan PARK of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G06F3/044, G06F3/041, H10K59/12, H10K59/40

CPC Code(s): G06F3/0446



Abstract: disclosed is a transparent display device comprising a substrate including a transmission area and a non-transmission area including a light emission area in which a light emitting element is disposed, a touch sensor disposed over the transmission area of the substrate, a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction, a touch sensor connection line extending in a second direction, a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other, and a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line.


20250046250. Electroluminescent Display Apparatus_simplified_abstract_(lg display co., ltd.)

Inventor(s): Jin Her of Paju-si (KR) for lg display co., ltd., Hoon Jeong of Paju-si (KR) for lg display co., ltd., Chul Sang Shin of Paju-si (KR) for lg display co., ltd.

IPC Code(s): G09G3/3233, G09G3/20

CPC Code(s): G09G3/3233



Abstract: an electroluminescent display apparatus includes a plurality of pixels that each include a driving element including a first gate electrode connected to a first gate node, a second gate electrode facing the first gate electrode, a source electrode connected to a source node, and a drain electrode, a light emitting device connected between the source node and an input terminal for a low level driving voltage to emit light during an emission period, and an internal compensation circuit including a first capacitor connected to the first gate node and the source node. the internal compensation circuit samples a threshold voltage of the driving element during a sampling period that precedes the emission period. a sampling reinforcement voltage for increasing a sampling current flowing in the driving element is applied to the second gate electrode of the driving element during the sampling period.


20250048033. APPARATUS_simplified_abstract_(lg display co., ltd.)

Inventor(s): Kyungyeol RYU of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H04R7/10, H04R17/00

CPC Code(s): H04R7/10



Abstract: an apparatus includes a vibration member, and a vibration apparatus configured to vibrate the vibration member. the vibration member includes an inner member and an outer member surrounding the inner member.


20250048036. APPARATUS_simplified_abstract_(lg display co., ltd.)

Inventor(s): Yongjoon Kim of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H04R17/00

CPC Code(s): H04R17/00



Abstract: an apparatus includes a vibration member, a vibration apparatus configured to vibrate the vibration member, the vibration apparatus including a long side and a short side, and a pad member connected to a rear surface of the vibration apparatus, wherein the pad member includes a line shape which is parallel to a long-side length direction of the vibration apparatus, or is inclined from the long-side length direction of the vibration apparatus.


20250048037. ACOUSTIC APPARATUS AND VEHICULAR APPARATUS COMPRISING THE SAME_simplified_abstract_(lg display co., ltd.)

Inventor(s): YeongRak CHOI of Paju-si (KR) for lg display co., ltd., Kwangho KIM of Paju-si (KR) for lg display co., ltd., Taehyung KIM of Paju-si (KR) for lg display co., ltd., Seonwook LEE of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H04R17/00, B60Q5/00, H04R1/02

CPC Code(s): H04R17/005



Abstract: an acoustic apparatus can include a vibration member, a supporting member disposed at a first surface of the vibration member, a first vibration apparatus configured to vibrate the vibration member, and a driving circuit part electrically connected to the first vibration apparatus and configured to drive the first vibration apparatus. in addition, the driving circuit part can be disposed at an internal space between the vibration member and the supporting member.


20250048736. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): Sumin LEE of Seoul (KR) for lg display co., ltd., ByungHyun LEE of Paju-si (KR) for lg display co., ltd., Daeyoung SEO of Seoul (KR) for lg display co., ltd., MinSeok KIM of Seoul (KR) for lg display co., ltd., TaeYong KIM of Anyang-si (KR) for lg display co., ltd.

IPC Code(s): H01L27/12, H01L25/16, H01L33/62

CPC Code(s): H01L27/124



Abstract: a display device is disclosed. an example display device according to an embodiment of the present disclosure includes a substrate configured to define a plurality of pixel areas disposed to be spaced apart from each other. the device includes a plurality of transmissive areas disposed between the plurality of pixel areas. the device includes a plurality of pixels disposed in the plurality of pixel areas and each including a plurality of sub pixels. the device includes a plurality of repair lines disposed between the plurality of sub pixels and made of a transparent conductive material, in which the plurality of repair lines is disposed on the same layer and spaced apart from each other. therefore, the repair lines, which are used to repair the plurality of sub pixels when the plurality of sub pixels is defective, may be formed as a single-layer structure made of a transparent conductive material.


20250048738. THIN FILM TRANSISTOR AND DISPLAY APPARATUS COMPRISING THE SAME_simplified_abstract_(lg display co., ltd.)

Inventor(s): Dohyun KWAK of Paju-si (KR) for lg display co., ltd., Dohyung LEE of Paju-si (KR) for lg display co., ltd., HongRak CHOI of Paju-si (KR) for lg display co., ltd., GaWon YANG of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H01L27/12

CPC Code(s): H01L27/1225



Abstract: a thin film transistor and a display apparatus including the same are provided. the thin film transistor includes an active layer, a sub-conductive material layer on the active layer, a gate electrode spaced apart from the active layer and at least partially overlapping the active layer, and a conductive material layer on the active layer. the active layer includes a channel portion partially overlapping the gate electrode, a first connection portion connected to one side of the channel portion, and a second connection portion connected to the other side of the channel portion. the sub-conductive material layer includes a source conductive material layer on the first connection portion, and a drain conductive material layer on the second connection portion. the conductive material layer is disposed on the channel portion and is disposed on the same layer as the sub-conductive material layer.


20250048739. THIN FILM TRANSISTOR SUBSTRATE AND DISPLAY APPARATUS COMPRISING THE SAME_simplified_abstract_(lg display co., ltd.)

Inventor(s): ChanYong JEONG of Paju-si (KR) for lg display co., ltd., JuHeyuck BAECK of Paju-si (KR) for lg display co., ltd., Dohyung LEE of Paju-si (KR) for lg display co., ltd., Younghyun KO of Paju-si (KR) for lg display co., ltd., HongRak CHOI of Paju-si (KR) for lg display co., ltd., Dohyun KWAK of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H01L27/12, H01L25/16

CPC Code(s): H01L27/1225



Abstract: a thin film transistor substrate includes a thin film transistor, on a substrate, including an active layer; a conductive material layer; and a gate electrode spaced apart and partially overlapping the active layer. the active layer includes a channel area partially overlapping the gate electrode, and a source area and a drain area connected to respective sides of the channel area. the conductive material layer includes a first and second conductive material layer respectively on the source drain areas. the first conductive material layer overlaps at least a portion of the channel area. the active layer includes an active hole in which the active layer is absent within an area defined by the active layer, and, in a plan view, the active hole extends from the channel area to the drain area.


20250048809. DISPLAY APPARATUS FOR CONTROLLING VIEWING ANGLE_simplified_abstract_(lg display co., ltd.)

Inventor(s): YunSang KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H01L33/58, B60K35/65, H01L25/16

CPC Code(s): H01L33/58



Abstract: a display device can include a light emitting package disposed in a first area on a substrate, where the light emitting package includes at least one first light emitting unit and a plurality of second light emitting units. the display device further includes at least one third light emitting unit disposed in a second area being adjacent to the first area, and a display panel disposed on the light emitting package and the at least one third light emitting unit. each of the plurality of second light emitting units includes a light emitting chip and a light control unit disposed on the light emitting chip. further, the light control unit is configured to change a path of light emitted from the light emitting chip.


20250048839. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): MoonSoo KIM of Paju-si (KR) for lg display co., ltd., DoYoung KUM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/121, H10K59/122, H10K59/131, H10K59/35

CPC Code(s): H10K59/1213



Abstract: a display device may improve an aperture ratio. the display device comprises a substrate provided with transmissive areas and a plurality of subpixels disposed between the transmissive areas, a driving transistor provided in each of the plurality of subpixels, an anode electrode provided in each of the plurality of subpixels and coupled with the driving transistor through an anode contact hole, a bank overlapped with at least a portion of the anode contact hole over the anode electrode, a light emitting layer provided over the anode electrode and the bank, and a cathode electrode provided over the light emitting layer. an end of at least one side of the anode electrode is exposed without being covered by the bank.


20250048848. DISPLAY PANEL AND DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): Hoseung LEE of Paju-si (KR) for lg display co., ltd., JongWon LEE of Paju-si (KR) for lg display co., ltd., YoungWook LEE of Paju-si (KR) for lg display co., ltd., HeeJung YANG of Paju-si (KR) for lg display co., ltd., GiSang HONG of Paju-si (KR) for lg display co., ltd., SungKi KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/122, H10K59/80

CPC Code(s): H10K59/122



Abstract: a display panel can include a plurality of subpixels disposed on a substrate, an insulating layer disposed on the substrate, the insulating layer including at least one recess portion in at least one subpixel among the plurality of subpixels, an anode electrode disposed on the insulating layer, the anode electrode not overlapping the recess portion, a bank disposed on a portion of an upper surface of the anode electrode and the insulating layer, the bank having an opening in each of the plurality of subpixels, a light emitting layer disposed in the opening, and a cathode electrode disposed on the light emitting layer. also, each of the light emitting layer and the cathode electrode overlaps with the anode electrode and the recess portion of the insulating layer in the opening, and the cathode electrode has at least one stepped portion in the opening of the bank.


20250048855. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): JeongGi YUN of Gimpo-si (KR) for lg display co., ltd., Taehwan KIM of Goyang-si (KR) for lg display co., ltd., Nam-Yong KIM of Goyang-si (KR) for lg display co., ltd., Jonghan PARK of Seoul (KR) for lg display co., ltd.

IPC Code(s): H10K59/124, H10K59/122, H10K59/35

CPC Code(s): H10K59/124



Abstract: a display device can include a substrate having emission and non-emission areas and sub-pixels, an insulating layer on the substrate, a first electrode in the sub-pixels, a bank on the insulating layer and including an opening exposing the first electrode, an organic layer on the first electrode and a second electrode. also, the bank includes first exposed side surfaces where a first area of the bank has been removed between the sub-pixels, and includes an undercut structure that extends further into the bank from lower ends of the first exposed side surfaces, and second exposed side surfaces where a second area of the bank has been removed between the sub-pixels, and which includes a trench structure from which a portion of a thickness of the insulating layer has been removed.


20250048865. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)

Inventor(s): SungHo LEE of Paju-si (KR) for lg display co., ltd., HyunTaek LIM of Paju-si (KR) for lg display co., ltd., Joohwan HWANG of Paju-si (KR) for lg display co., ltd., Huiseong YU of Paju-si (KR) for lg display co., ltd., Seokmin HONG of Paju-si (KR) for lg display co., ltd., Wooseok NOH of Paju-si (KR) for lg display co., ltd., Youngjune GO of Paju-si (KR) for lg display co., ltd., Hyejin KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/131, H10K59/122, H10K59/126, H10K59/40, H10K102/00

CPC Code(s): H10K59/131



Abstract: a display device includes a substrate including a display area in which subpixels are disposed and a non-display area which includes a pad area located in a first direction from the display area; an insulating layer stack located on the substrate, and having an outer side surface; a cathode located on the insulating layer stack, and disposed to extend from the display area to the non-display area; a first inorganic layer located on the cathode, and disposed to extend from the display area to the non-display area; an organic layer located on a part of the first inorganic layer, and having an outer sloped surface; a second inorganic layer located on the organic layer, disposed to extend from the display area to the non-display area, and disposed to extend along the outer sloped surface; and a stopper located on the insulating layer stack, and disposed outside the organic layer.


20250048893. Display Device and Pen Touch System_simplified_abstract_(lg display co., ltd.)

Inventor(s): DongRyul Jung of Paju-si (KR) for lg display co., ltd., Jisu Yoon of Paju-si (KR) for lg display co., ltd., Jiseok Yang of Paju-si (KR) for lg display co., ltd., Kyuhwan Lee of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/80, G06F3/03, G06F3/0354, G06F3/038, G09G3/3233, H10K39/34, H10K59/35

CPC Code(s): H10K59/875



Abstract: a display device is disclosed that includes a first substrate, a plurality of first color filters included in a color filter layer and transmitting first color light having a first color wavelength included in a first wavelength band, a plurality of second color filters included in the color filter layer and transmitting second color light having a second color wavelength included in the first wavelength band, a plurality of third color filters included in the color filter layer and transmitting third color light having a third color wavelength included in the first wavelength band, and a photoactive layer responsive to light having a second wavelength included in a second wavelength band different from the first wavelength band and including two or more openings overlapping with two or more second color filters among the plurality of second color filters.


20250048898. ORGANIC LIGHT EMITTING DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)

Inventor(s): Jungeun LEE of Paju-si (KR) for lg display co., ltd., HwanKeon LEE of Paju-si (KR) for lg display co., ltd., Hyunseok GO of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/80, G06F3/041, H10K59/38, H10K59/40

CPC Code(s): H10K59/879



Abstract: an organic light emitting display apparatus includes a substrate; a plurality of organic light emitting elements disposed on the substrate; an optical control layer disposed on the plurality of organic light emitting elements; and a light guide member on the optical control layer; wherein the optical control layer includes a black matrix disposed at a boundary of adjacent organic light emitting elements among the plurality of organic light emitting elements; and wherein the light guide member includes a plurality of lens patterns having an irregular arrangement structure and a first refractive index; and a refractive layer disposed on the plurality of lens patterns and having a second refractive index different from the first refractive index.


20250048900. FOLDABLE DISPLAY APPARATUS_simplified_abstract_(lg display co., ltd.)

Inventor(s): SeungSoo YANG of Paju-si (KR) for lg display co., ltd., JuHun MIN of Paju-si (KR) for lg display co., ltd., SunWoong KIM of Paju-si (KR) for lg display co., ltd., DongUk KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/80, H10K102/00

CPC Code(s): H10K59/879



Abstract: a foldable display apparatus in one example includes a display panel having folding area and non-folding area, and a light guide member disposed on the display panel and including the folding area and the non-folding area. the light guide member includes a plurality of first lens patterns disposed in the non-folding area, a first filling layer disposed in the non-folding area and disposed on the plurality of first lens patterns, and an intermediate layer disposed in the folding area. a difference between a modulus of an upper surface of the intermediate layer and a modulus of a lower surface of the intermediate layer is smaller than a difference between a modulus of the plurality of first lens patterns and a modulus of the first filling layer.


20250048902. ORGANIC LIGHT EMITTING DISPLAY APPARATUS INCLUDING LIGHT GUIDING PART AND METHOD OF MANUFACTURING THE LIGHT GUIDING PART_simplified_abstract_(lg display co., ltd.)

Inventor(s): SunWoong KIM of Paju-si (KR) for lg display co., ltd., JuHun MIN of Paju-si (KR) for lg display co., ltd., SeungSoo YANG of Paju-si (KR) for lg display co., ltd., DongUk KIM of Paju-si (KR) for lg display co., ltd.

IPC Code(s): H10K59/80, H10K59/12

CPC Code(s): H10K59/8791



Abstract: disclosed is an organic light emitting display apparatus comprising a display panel including a circuit element layer and a light guide part disposed on the circuit element layer, the light guide part having a bottom surface and a top surface opposite to the bottom surface. the light guide part includes a plurality of lens patterns extending from the bottom surface toward the top surface and disposed irregularly in the light guide part, a lens connection part disposed between the plurality of lens patterns and in contact with the plurality of lens patterns, and a filling layer disposed on the plurality of lens patterns and the lens connection part.


20250048927. ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THEREOF_simplified_abstract_(lg display co., ltd.)

Inventor(s): Dong Ryun LEE of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., Suk Young BAE of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., Jong Uk KIM of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., Han Jin AHN of Paju-si, Gyeonggi-do (KR) for lg display co., ltd., Jun Yun KIM of Paju-si, Gyeonggi-do (KR) for lg display co., ltd.

IPC Code(s): H10K85/60, C09K11/02, C09K11/06, H10K50/12, H10K50/13, H10K101/00, H10K101/10, H10K101/20, H10K101/30

CPC Code(s): H10K85/658



Abstract: the present disclosure relates to an organic light emitting diode in which an emitting material layer disposed between two electrodes includes a first compound forming a fused ring among a boron atom and at least one of oxygen atom, sulfur atom and a selenium atom, and a second compound forming a fused ring between a boron atom and a nitrogen atom, and an organic light emitting device including the organic light emitting diode. the first compound and the second compound may be included in the same emitting material layer or adjacently disposed emitting material layers. the organic light emitting diode includes the emitting material layer where includes first and second compounds with adjusting their energy levels so that driving voltages of the organic light emitting diode can be lowered and luminous efficiency and luminous lifetime of the organic light emitting diode can be improved.


LG Display Co., Ltd. patent applications on February 6th, 2025