18463914. DISPLAY DEVICE INCLUDING LIGHT-EMITTING DIODE BACKLIGHT UNIT simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)
DISPLAY DEVICE INCLUDING LIGHT-EMITTING DIODE BACKLIGHT UNIT
Organization Name
Inventor(s)
Byungil Kim of Hwaseong-si (KR)
Sukyun Woo of Hwaseong-si (KR)
DISPLAY DEVICE INCLUDING LIGHT-EMITTING DIODE BACKLIGHT UNIT - A simplified explanation of the abstract
This abstract first appeared for US patent application 18463914 titled 'DISPLAY DEVICE INCLUDING LIGHT-EMITTING DIODE BACKLIGHT UNIT
Simplified Explanation
The abstract describes a display device that includes a light-emitting diode (LED) backlight unit (BLU), a pixel driving circuit, and a pixel circuit. The pixel driving circuit generates a scan signal and an image signal, while the pixel circuit generates an output current based on these signals and transmits it to the LED BLU. The pixel circuit consists of several transistors and a capacitor.
- The display device includes a pixel driving circuit and a pixel circuit.
- The pixel driving circuit generates a scan signal and an image signal.
- The pixel circuit generates an output current based on the scan signal and the image signal.
- The output current is transmitted to the LED backlight unit (BLU).
- The pixel circuit includes several transistors and a capacitor.
Potential Applications
- This technology can be used in various display devices such as televisions, computer monitors, and mobile devices.
- It can improve the performance and efficiency of LED backlight units in these devices.
Problems Solved
- The pixel circuit solves the problem of generating an output current for the LED backlight unit based on the scan signal and image signal.
- It provides a more efficient and controlled way of driving the LEDs in the backlight unit.
Benefits
- The use of transistors and a capacitor in the pixel circuit allows for precise control of the output current.
- This technology can improve the overall image quality and energy efficiency of display devices.
- It provides a more reliable and stable method of driving the LED backlight unit.
Original Abstract Submitted
A display device may include: a light-emitting diode (LED) backlight unit (BLU), a pixel driving circuit configured to generate a scan signal and an image signal, a pixel circuit configured to generate an output current based on the scan signal and the image signal, and transmit the output current to the LED BLU, the pixel circuit including, a first transistor connected between an input pin and a node, the input pin configured to receive the image signal, the first transistor including a gate terminal configured to receive the scan signal, a second transistor connected between the node and a ground terminal, the second transistor including a gate terminal connected to the node, a third transistor connected between the node and a gate node, a fourth transistor configured to generate the output current according to a voltage of the gate node, and a capacitor connected to the gate node.
