公开(公告)号：US20240365623A1

公开(公告)日：2024-10-31

申请号：US18764775

申请日：2024-07-05

Applicant: InnoLux Corporation

Inventor： Shun-Yuan HU ,  Chin-Lung TING ,  Li-Wei MAO ,  Ming-Chun TSENG ,  Kung-Chen KUO ,  Yi-Hua HSU ,  Ker-Yih KAO

IPC: H10K59/18 ,  G09F9/302 ,  G09G3/00 ,  H01L21/66 ,  H01L23/00 ,  H01L25/16 ,  H01L27/12 ,  H10K50/86 ,  H10K59/131 ,  H10K77/10

CPC classification number: H10K59/18 ,  G09F9/3026 ,  G09G3/006 ,  H01L24/24 ,  H01L24/32 ,  H01L24/73 ,  H01L24/92 ,  H01L25/162 ,  H01L25/167 ,  H01L27/124 ,  H10K50/865 ,  H10K59/131 ,  H10K77/111 ,  H01L22/14 ,  H01L2224/24226 ,  H01L2224/245 ,  H01L2224/32225 ,  H01L2224/73267 ,  H01L2224/92244

Abstract: A light-emitting device is provided. The light-emitting device includes a circuit substrate, an array substrate, a plurality of light-emitting units and a driver. The circuit substrate has a top surface. A top circuit is disposed on the top surface. The array substrate is disposed on the top surface of the circuit substrate and electrically connected to the top circuit. The light-emitting units are disposed on the array substrate. The light-emitting device further includes an electrical connection structure, a plurality of light extraction layers, a protective layer, a plurality of test pads, and a light absorption layer. The plurality of test pads are disposed on the array substrate, and the light absorption layer covers at least one of the test pads.

公开(公告)号：US20240363066A1

公开(公告)日：2024-10-31

申请号：US18029356

申请日：2022-06-21

Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Song LIU ,  Yang ZHOU ,  Lu BAI ,  Junxiu DAI ,  Lingtong LI ,  Liheng WEI ,  Tianci CHEN

IPC: G09G3/3233 ,  G09G3/00 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/006 ,  G09G3/3266 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/023 ,  G09G2330/12

Abstract: A display substrate and a display device are provided, the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate, the circuit structure layer includes a pixel circuit, a scan drive circuit, a control drive circuit and a buffer drive circuit; the pixel circuit includes a node reset transistor, a writing transistor, a reset signal line connected to a control electrode of the node reset transistor, a scan signal line connected to a control electrode of the writing transistor, and a control signal line; reset signal lines of pixel circuits of first to K-th rows are electrically connected with the buffer drive circuit, reset signal lines of pixel circuits of (K+1)-th to N-th row are electrically connected with the scan drive circuit or the control drive circuit.

公开(公告)号：US12131675B2

公开(公告)日：2024-10-29

申请号：US18210350

申请日：2023-06-15

Applicant: Magnachip Semiconductor, Ltd.

Inventor： Jiyun Kim ,  Gilsung Roh ,  Yongsup Lee ,  Kwonyoung Oh ,  Youngjoon Kim ,  Jinseok Yang ,  Sangkyung Kim

IPC: G09G3/00 ,  G01K7/20 ,  G09G3/32

CPC classification number: G09G3/006 ,  G01K7/20 ,  G09G3/32 ,  G09G2320/041 ,  G09G2330/028 ,  G09G2330/08 ,  G09G2340/0435

Abstract: The present disclosure relates to a temperature sensor provided in a display driver circuit and an operating method thereof. Disclosed is a temperature sensor provided in a display driver circuit including: a reference voltage generating unit configured to output a set reference voltage; a proportional voltage generating unit configured to output a proportional voltage proportional to a temperature of the circuit; a comparison unit configured to output a flag voltage by comparing magnitudes of the reference voltage and the proportional voltage; and a sensor control unit configured to control the reference voltage generating unit and the proportional voltage generating unit.

公开(公告)号：US12112666B2

公开(公告)日：2024-10-08

申请号：US18228244

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Hae-Yeon Lee ,  Sukyoung Kim ,  Hwayoung Song ,  Kwangsae Lee ,  Il-Joo Kim

IPC: G09G3/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/131 ,  H10K59/40 ,  H10K102/00

CPC classification number: G09G3/006 ,  G06F3/0412 ,  G06F3/0443 ,  G09G3/035 ,  H10K59/131 ,  H10K59/40 ,  G06F2203/04102 ,  G06F2203/04111 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2330/12 ,  G09G2354/00 ,  H10K2102/311

Abstract: A display device includes: a substrate including a display area, a peripheral area surrounding the display area, a hole area positioned inside the display area, and a pad area; a crack detection line including a first part in the pad area and extending to the peripheral area and a second part connected to the first part, disposed to surround the hole area, and extending to the pad area; a printed circuit board in the pad area; first transistors in the pad area and connected in series between the printed circuit board and the first part, where each of gate electrodes of the first transistors is connected to a first signal line; and second transistors in the pad area and connected in series between a constant voltage line and the first part, where each of gate electrodes of the second transistors is connected to a second signal line.

公开(公告)号：US12111547B1

公开(公告)日：2024-10-08

申请号：US18509515

申请日：2023-11-15

Applicant: HKC CORPORATION LIMITED

Inventor： Gu Huang ,  Baohong Kang

IPC: G09G3/36 ,  G02F1/1362 ,  G09G3/00

CPC classification number: G02F1/136263 ,  G09G3/006 ,  G09G3/3688 ,  G09G2330/08

Abstract: A display panel includes a substrate, a plurality of data lines, at least one repair line, at least one compensation line and a data driver. The repair line is arranged on the substrate and overlapped with at least part of the plurality of data lines, for connecting with a broken data line when the broken data line with a breakpoint exists in the plurality of data lines, to repair the broken data line. Each compensation line is connected to the repair line through a resistor. The data driver includes a plurality of first output channels connected to the plurality of data lines, at least one second output channel connected to an end of the repair line away from the resistor and at least one third output channel connected to an end of the compensation line away from the resistor.

公开(公告)号：US20240331598A1

公开(公告)日：2024-10-03

申请号：US18621013

申请日：2024-03-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Shinya UKAI ,  Akira MORITA

IPC: G09G3/00 ,  G01R27/26 ,  G09G3/36

CPC classification number: G09G3/006 ,  G01R27/2605 ,  G09G3/3688 ,  G09G2330/12

Abstract: A control circuit couples a test capacitance element Cp and a node Test to a capacitance element Cm1-1 to be tested, and applies a voltage output from an operational amplifier circuit to the capacitance elements Cm1-1 and Cp and the node Test. Thereafter, the capacitance element Cp and the node Test are decoupled from the capacitance element Cm1-1 to be tested, the capacitance element and the node Test are coupled to the capacitance element Cm1-1, the charge accumulated in the capacitance element Cm1-1 is moved, a voltage Vref of a negative input-end (−) of a comparison circuit is set, and the capacitance element Cm1-1 is tested based on a signal output from the comparison circuit.

公开(公告)号：US12106690B2

公开(公告)日：2024-10-01

申请号：US17974638

申请日：2022-10-27

Applicant: Samsung Display Co., LTD.

Inventor： Dongsun Lee ,  Wonkyu Kwak ,  Dong Eup Lee ,  Dongsoo Kim ,  Seungwoo Sung ,  Mincheol Lee

IPC: G09G3/00 ,  G09G3/3233

CPC classification number: G09G3/006 ,  G09G3/3233 ,  G09G2330/12

Abstract: A method includes applying first different voltages to pixels included in a reference pixel column and pixels included in a pad adjacent pixel column electrically connected to a second pad adjacent to a first pad connected to the reference pixel column, and applying second different voltages to the pixels included in the reference pixel column and to pixels included in a line adjacent pixel column electrically connected to a second data line adjacent to a first data line connected to the reference pixel column.

公开(公告)号：US20240321157A1

公开(公告)日：2024-09-26

申请号：US18577657

申请日：2021-08-30

Applicant: LG ELECTRONICS INC.

Inventor： Heechen KANG

IPC: G09G3/00 ,  G09G3/20 ,  G09G3/3266

CPC classification number: G09G3/006 ,  G09G3/2092 ,  G09G3/3266 ,  G09G2320/046 ,  G09G2320/0606 ,  G09G2330/025 ,  G09G2330/027 ,  G09G2330/12 ,  G09G2354/00

Abstract: An organic light emitting diode display according to an embodiment of the present disclosure may comprise: a display panel comprising a plurality of pixels; a gate driving part that drives a plurality of gate lines respectively connected to the plurality of pixels; a data driving part that drives a plurality of data lines respectively connected to the plurality of pixels; a current detection circuit that detects a current flowing through each of the gate lines and, when the detection current is overcurrent, generates feedback indicating the overcurrent; and a timing controller that turns off the power of the organic light emitting diode display in response to the feedback indicating the overcurrent.

公开(公告)号：US12094404B2

公开(公告)日：2024-09-17

申请号：US17701615

申请日：2022-03-22

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Wenchao Bao ,  Song Meng ,  Min He ,  Huihui Li

IPC: G09G3/3225 ,  G02F1/1345 ,  G09G3/00 ,  G09G3/34 ,  G09G3/36 ,  H01L51/52 ,  H02M1/32 ,  H05B45/60 ,  H05K1/18 ,  H10K50/80

CPC classification number: G09G3/3225 ,  G09G3/006 ,  H05K1/189 ,  H10K50/868 ,  G09G2330/021 ,  H05K2201/10128

Abstract: A display module includes a display panel, a power supply driver, a voltage signal line, a sampling resistor and a detection and control circuit. The voltage signal line is connected between the display panel and the power supply driver. The sampling resistor is connected in series with the voltage signal line. The detection and control circuit is connected to two ends of the sampling resistor and the power supply driver. The detection and control circuit is configured to: detect a voltage across the sampling resistor or a current flowing through the sampling resistor; and control the power supply driver to generate a driving voltage equal to a preset value lower than a voltage threshold, if determining that the voltage across the sampling resistor is greater than or equal to the voltage threshold, or if determining that the current is greater than or equal to a current threshold.

公开(公告)号：US12087191B2

公开(公告)日：2024-09-10

申请号：US17681518

申请日：2022-02-25

Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.

Inventor： Ning Xu ,  Xiong Yang ,  Zhihua Yu

IPC: G09G3/00

CPC classification number: G09G3/006 ,  G09G2330/12

Abstract: A circuit board, a display module, and a display device are provided. The circuit board includes: a base substrate including a first surface and a second surface opposite to each other; bonding pads on the first surface; test pads electrically connected to the bonding pads and disposed on the second surface; a test auxiliary structure on the second surface; and a metal layer on the second surface. The test auxiliary structure overlaps with the test pads along a first direction which is a direction perpendicular to the first surface and the second surface of the base substrate; and the metal layer includes a metal structure for transmitting a first signal and the test auxiliary structure is insulated from the metal structure.