US Patent Application 18448158. DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF simplified abstract

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DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

Organization Name

Samsung Display Co., LTD.

Inventor(s)

JAE IK Lim of Yongin-si (KR)

Gee Bum Kim of Yongin-si (KR)

Byung Han Yoo of Yongin-si (KR)

Dae Young Lee of Yongin-si (KR)

Chaun Gi Choi of Yongin-si (KR)

DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A simplified explanation of the abstract

This abstract first appeared for US patent application 18448158 titled 'DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF

Simplified Explanation

The patent application describes a display device with a fingerprint sensor layer and an optical pattern layer.

  • The display device includes a layer that can detect fingerprints by receiving reflected light from an external object.
  • There is a substrate layer on top of the fingerprint sensor layer.
  • An optical pattern layer is placed on the substrate, which has both light blocking and light transmitting portions.
  • The light transmitting portion allows light to pass through in one direction.
  • A first light transmitting layer with a specific refractive index is placed on the light blocking portion of the optical pattern layer.
  • A second light transmitting layer with a different refractive index is placed on top of the first layer.
  • Finally, a light emitting element layer is placed on the second light transmitting layer.
  • The display device combines fingerprint sensing and display capabilities in a single device.


Original Abstract Submitted

A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.

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