公开(公告)号：US12062322B2

公开(公告)日：2024-08-13

申请号：US17500786

申请日：2021-10-13

申请人： Chipone Technology (Beijing) Co., Ltd.

发明人： Zhizheng Huang

IPC分类号： G09G3/32

CPC分类号： G09G3/32 ,  G09G2310/0297 ,  G09G2310/06 ,  G09G2310/08

摘要： A signal generation apparatus, a driving chip, a display system and an LED displaying driving method are described. A circuit comprises a first generation device for generating a first PWM wave with period T1; a second generation device for generating a delayed clock signal with period T2, T1=NT2, the first time is delayed by F×T2 compared with the second time, the first time is the time corresponding to a first rising edge of the delayed clock signal, the second time is the time corresponding to a first rising edge of the first PWM wave; a third generation device for generating a third PWM wave with period T3 according to the first PWM wave the delayed clock signal, T3=T1+F×T2, a first rising edge of the third PWM wave is synchronous with the first rising edge of the first PWM wave.

公开(公告)号：US12062321B2

公开(公告)日：2024-08-13

申请号：US18338817

申请日：2023-06-21

申请人： MACROBLOCK, INC.

发明人： Li-Chang Yang ,  Yi-Sheng Lin

IPC分类号： G09G3/20 ,  G09G3/32

CPC分类号： G09G3/2096 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2330/021

摘要： An LED display device includes a system board, and multiple daughterboards that are assembled on the system board. The system board includes a drive power circuit, a first gate circuit and a second gate circuit. Each daughterboard includes a substrate, multiple LEDs that are disposed on the substrate, multiple first transistor switches that are respectively connected to the LEDs, and at least one second transistor switch that is connected to the LEDs. With respect to each daughterboard, the first transistor switches and the at least one second transistor switch cooperatively control current flows through the LEDs; the first transistor switches are further connected to the drive power circuit to respectively receive multiple drive currents, and are further connected to the first gate circuit to receive a timing signal; and the at least one second transistor switch is further connected to the second gate circuit to receive a timing signal.

公开(公告)号：US20240266369A1

公开(公告)日：2024-08-08

申请号：US18437410

申请日：2024-02-09

申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

发明人： Atsushi UMEZAKI

IPC分类号： H01L27/12 ,  G09G3/14 ,  G09G3/32 ,  G09G3/36 ,  G11C19/00 ,  H01L29/786 ,  H03B1/00 ,  H03K3/00 ,  H03K17/687

CPC分类号： H01L27/1255 ,  G09G3/14 ,  G09G3/32 ,  G09G3/36 ,  G11C19/00 ,  H01L29/7869 ,  H03B1/00 ,  H03K3/00 ,  H03K17/6871 ,  G09G2300/0426 ,  G09G2310/0286 ,  G09G2330/021

摘要： Provided is a semiconductor device exemplified by an inverter circuit and a shift register circuit, which is characterized by a reduced number of transistors. The semiconductor device includes a first transistor, a second transistor, and a capacitor. One of a source and a drain of the first transistor is electrically connected to a first wiring, and the other thereof is electrically connected to a second wiring. One of a source and a drain of the second transistor is electrically connected to the first wiring, a gate of the second transistor is electrically connected to a gate of the first transistor, and the other of the source and the drain of the second transistor is electrically connected to one electrode of the capacitor, while the other electrode of the capacitor is electrically connected to a third wiring. The first and second transistors have the same conductivity type.

公开(公告)号：US20240265849A1

公开(公告)日：2024-08-08

申请号：US18425663

申请日：2024-01-29

申请人： Samsung Display Co., LTD.

发明人： Kye Uk LEE ,  Jung Hwan HWANG ,  Ji Youn SEO

IPC分类号： G09G3/32 ,  H01L25/16 ,  H01L27/12

CPC分类号： G09G3/32 ,  H01L25/167 ,  H01L27/1255 ,  G09G2300/026 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  H01L27/124

摘要： A display device includes PWM data lines to receive PWM data voltages, first to third data lines to receive corresponding data voltages from among first to third data voltages, sweep signal lines to receive sweep signals, and a sub-pixel connected to a PWM data line from among the PWM data lines, a data line from among the first to third data lines, and a sweep signal line from among the sweep signal lines, and includes at least one light emitting element. The sub-pixel may include a first transistor, a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep signal line, and overlapping the first capacitor electrode in a thickness direction of the display device. The second capacitor electrode does not overlap a source electrode and a drain electrode of the first transistor in the thickness direction.

公开(公告)号：US20240265846A1

公开(公告)日：2024-08-08

申请号：US18021547

申请日：2022-04-26

申请人： Fuzhou BOE Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

发明人： Renhui YU ,  Xiaoyang LIU ,  Hongzhou XIE ,  Xin CHEN ,  Meizhen CHEN ,  Yi ZHENG ,  Zhiliang ZHENG ,  Ying TIAN ,  Chengwei SHI ,  Shulian LIN ,  Qingna HOU ,  Kai DIAO ,  Liangliang REN

IPC分类号： G09G3/32 ,  H01L25/075 ,  H01L33/62

CPC分类号： G09G3/32 ,  H01L25/0753 ,  H01L33/62 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/025 ,  G09G2330/06

摘要： Provided are a method for driving a light-emitting substrate, a driving circuit and a display apparatus. The light-emitting substrate includes: at least one control region, which includes a plurality of light-emitting sub-regions, the light-emitting sub-region includes a plurality of light-emitting elements which are connected in series and/or in parallel; each light-emitting sub-regions includes a first signal end and a second signal end, in a same control region, the first signal ends of all the light-emitting sub-regions are electrically connected with each other, and the second signal ends of the different light-emitting sub-regions are independent of each other; the method includes: loading a first signal to the first signal ends in the control region; and loading second signals to the second signal ends of each of the plurality of the light-emitting sub-regions in the control region when a first duration is delayed after the first signal is provided.

公开(公告)号：US20240264697A1

公开(公告)日：2024-08-08

申请号：US18639005

申请日：2024-04-18

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Choon Hyop LEE ,  Jang Hui KIM ,  Jae Won KIM ,  In Nam LEE

IPC分类号： G06F3/041 ,  G06F3/044 ,  G09G3/32

CPC分类号： G06F3/04166 ,  G06F3/0418 ,  G06F3/0446 ,  G09G3/32

摘要： A touch sensor including: a touch sensing area including driving electrodes and sensing electrodes; a driving signal generator which determines phases of driving signals based on a reference code and supplies the driving signals to the sensing electrodes, wherein the driving signals are sine waves; and a touch processor which receives sensing signals according to the driving signals from the sensing electrodes and determines a touch position based on the sensing signals and the reference code, wherein the driving signal generator controls the phases of the driving signals by updating the reference code at a predetermined time point.

公开(公告)号：US12057059B2

公开(公告)日：2024-08-06

申请号：US18324950

申请日：2023-05-26

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Bon-Yong Koo ,  Sujin Lee ,  Jaeyong Jang

IPC分类号： G09G3/32

CPC分类号： G09G3/32 ,  G09G2320/0214

摘要： A display substrate includes: a pixel circuit including: a switching transistor connected between a first terminal of a compensation capacitor and a data line; and a pixel transistor connected between a second terminal of the compensation capacitor and a first voltage line, the pixel transistor to receive a test voltage; and a test transistor including: a test gate terminal to receive a test signal; a test source terminal electrically connected to the first voltage line; and a test drain terminal electrically connected to the data line.

公开(公告)号：US20240260297A1

公开(公告)日：2024-08-01

申请号：US18104239

申请日：2023-01-31

申请人： Chun Chiu Daniel Wong ,  Ming Huang

发明人： Chun Chiu Daniel Wong ,  Ming Huang

IPC分类号： H10K50/13 ,  G09G3/32 ,  G09G3/3208 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16

CPC分类号： H10K50/13 ,  G09G3/32 ,  G09G3/3208 ,  G09G2300/0426 ,  G09G2300/0804 ,  G09G2310/08

摘要： A pixel with multiple electroluminescent devices and shared electrodes is disclosed. In one embodiment of the present invention the pixel includes a top electrode, a bottom electrode, a first shared electrode, a second shared electrode, and three electroluminescent devices. The bottom electrode and the first shared electrode are coupled to and operates the first electroluminescent device. The first shared electrode and the second shared electrode are coupled to and operate the second electroluminescent device. The second shared electrode and the top electrode are coupled to and operate the third electroluminescent device.

公开(公告)号：US20240258492A1

公开(公告)日：2024-08-01

申请号：US18636253

申请日：2024-04-15

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Kyung Bae KIM ,  Hyun Joon KIM ,  Kyung Hoon CHUNG ,  Mee Hye JUNG ,  Min Jae JEONG ,  Jun Ki JEONG

IPC分类号： H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L33/38

CPC分类号： H01L33/62 ,  H01L25/0753 ,  H01L33/387 ,  G09G3/32 ,  G09G2300/0426

摘要： A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

公开(公告)号：US20240258479A1

公开(公告)日：2024-08-01

申请号：US18194509

申请日：2023-03-31

申请人： WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

发明人： Liang SUN ,  Mian ZENG

IPC分类号： H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12

CPC分类号： H01L33/62 ,  G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  G09G2310/0267

摘要： A display module and a display panel are provided. The display module includes a first substrate, a first pixel-driving circuit module, a light-emitting module, a first packaging structure, and a first terminal module. The first pixel-driving circuit module includes at least one first pixel-driving circuit. The first terminal module includes at least one first terminal group corresponding to the first pixel-driving circuit. The first terminal group is provided with plurality of first via holes. The plurality of first terminals are electrically connected with the first pixel-driving circuit through the plurality of first via holes.