Samsung display co., ltd. (20240194103). DISPLAY DEVICE simplified abstract
Contents
DISPLAY DEVICE
Organization Name
Inventor(s)
Won Mi Hwang of Yongin-si (KR)
DISPLAY DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240194103 titled 'DISPLAY DEVICE
The patent application describes a display device with a substrate, circuit layer, light emitting element layer, and display driving circuit.
- The circuit layer contains demux circuit units in a demux area of the substrate, connected to data lines and the display driving circuit.
- Test signal supply lines in the non-display area transmit test signals to test the lighting state of light emitting elements.
- Test pad connection lines are connected to test signal pads and extend to the non-display area.
- Test signal supply lines are connected to test pad connection lines through test line connection contact holes in a test connection area.
Potential Applications: - This technology can be used in various display devices such as smartphones, tablets, and TVs. - It can also be applied in automotive displays, wearable technology, and medical devices.
Problems Solved: - Enables efficient testing of the lighting state of light emitting elements in a display device. - Facilitates easy connection of test signals for quality control purposes.
Benefits: - Improved quality control processes in manufacturing display devices. - Enhanced reliability and performance of display devices.
Commercial Applications: - This technology can benefit manufacturers of display devices by streamlining testing processes and ensuring product quality. - It can also be utilized by companies developing innovative display technologies for various industries.
Prior Art: - Researchers can explore prior patents related to display device testing methods and circuit layouts to understand the evolution of this technology.
Frequently Updated Research: - Stay updated on advancements in display device technology, particularly in the area of testing and quality control processes.
Questions about Display Device Testing Technology: 1. How does this technology improve the efficiency of testing light emitting elements in display devices? 2. What are the potential cost-saving benefits for manufacturers implementing this testing method?
Original Abstract Submitted
a display device includes a substrate, a circuit layer, a light emitting element layer, and a display driving circuit. the circuit layer comprises demux circuit units side by side in a demux area of a non-display area of the substrate and electrically connected between data lines and the display driving circuit, test signal supply lines in the non-display area and transmitting test signals for testing the lighting state of light emitting elements of the light emitting element layer, and test pad connection lines respectively electrically connected to test signal pads in the sub-area and extending to the non-display area. the test signal supply lines are electrically connected to the test pad connection lines through test line connection contact holes, respectively. the test line connection contact holes are in a test connection area which is a part of the demux area adjacent to the sub-area.
