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公开(公告)号：US20220367328A1
公开(公告)日：2022-11-17
申请号：US17765298
申请日：2021-05-20
发明人： YONG YU , Xuerui GONG , Chang ZHANG
IPC分类号： H01L23/498 , H01L23/00
摘要： The present disclosure relates to a flip-chip and a chip packaging structure. The flip-chip includes: a driver chip having a package surface facing a wiring substrate; and a plurality of conductive connectors. Any one of the plurality of conductive connectors includes a conductive bump connected to the package surface and a conductive extension portion on a side of the conductive bump away from the driver chip.
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公开(公告)号：US20220276735A1
公开(公告)日：2022-09-01
申请号：US17631482
申请日：2021-03-11
发明人： Shimin PU , Jianjun WU , Jiangsheng WANG , Chang ZHANG , Qi LIU
摘要： A display panel and a manufacturing method thereof, and a display device are provided. The display panel includes: a substrate; a plurality of light-emitting elements and an encapsulation layer disposed on the substrate, with the plurality of light-emitting elements located between the encapsulation layer and the substrate; a transfer layer disposed on a side of the encapsulation layer away from the substrate and bonded to the encapsulation layer, with an adhesive force between the transfer layer and the encapsulation layer greater than that between an organic adhesive layer and the encapsulation layer, and the organic adhesive layer configured to react chemically under a preset catalytic condition to be formed to the transfer layer; and a touch structure (40) disposed on a side of the transfer layer away from the substrate and configured to detect occurrence of a touch action.
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公开(公告)号：US20240338093A1
公开(公告)日：2024-10-10
申请号：US18747987
申请日：2024-06-19
发明人： Xuerui GONG , Jiangsheng WANG , Yong YU , Chang ZHANG
CPC分类号： G06F3/04164 , G06F3/044 , H05K1/0281 , H05K1/117 , H05K1/118 , H05K2201/10128
摘要： The embodiments of the present disclosure provide a chip on flex (COF), a touch assembly, and a display device. The chip on flex includes a flexible base provided with a first opening, the flexible base includes a bonding area provided with a plurality of metal bonding pads; on the flexible base, a spacing area with a preset range is provided between the first opening and the bonding area; wherein, the flexible base is provided with a reinforcement sheet thereon, the reinforcement sheet is located on a portion of the flexible base other than the first opening, the spacing area and the bonding area.
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公开(公告)号：US20220141956A1
公开(公告)日：2022-05-05
申请号：US17405257
申请日：2021-08-18
发明人： Hao SUN , Yong YU , Chang ZHANG , Ge SUN
摘要： Embodiments of the application provide a printed circuit board, a display module, a display device and a method of bonding the printed circuit board to a display screen. The printed circuit board includes a plurality of sub-circuit boards and a flexible connector between adjacent sub-circuit boards of the plurality of sub-circuit boards. The flexible connector is configured to connect the adjacent sub-circuit boards of the plurality of sub-circuit boards with each other. For the printed circuit board provided in the embodiments of the application, each sub-circuit board of the printed circuit board can be bonded independently, thereby avoiding pitch accumulation in the bonding region and thus controlling the total pitch within a satisfactory range.
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公开(公告)号：US20210168946A1
公开(公告)日：2021-06-03
申请号：US16825172
申请日：2020-03-20
发明人： Yong YU , Chang ZHANG , Lixia SHEN
摘要： The disclosure provides a bonding method, the bonding method includes: bonding first areas of a plurality of flexible printed circuit boards on a substrate, the plurality of flexible printed circuit boards being sequentially arranged along a direction parallel to a first side of the substrate, and a second area of each of the flexible printed circuit boards exceeds the first side; cutting at least one of the flexible printed circuit boards to enable second sides of all the flexible printed circuit boards to be flush and parallel to the first side, wherein each of the second sides is a side of the second area away from the first area; and bonding second areas of the flexible printed circuit boards with a connection circuit board.
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公开(公告)号：US20200035174A1
公开(公告)日：2020-01-30
申请号：US16336989
申请日：2018-08-31
发明人： Lixia SHEN , Zhiguang ZHANG , Chang ZHANG , Yong YU , Tae Hyun KIM
IPC分类号： G09G3/36 , G09G3/3225
摘要： Embodiments of the present disclosure provide a display panel and a drive method thereof, and a display device. The display panel includes a plurality of sets of pixel columns and a plurality of drive circuits. Each of the sets of pixel columns includes a plurality of subpixel columns. The plurality of drive circuits correspond to the plurality of sets of pixel columns respectively. Each of the drive circuits is further configured to send, to an adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the drive circuit, and/or receive, from the adjacent drive circuit, a source data signal for the subpixel column in the set of pixel columns of the adjacent drive circuit and generate a data signal for driving the subpixel column in the set of pixel columns of the drive circuit, based on the received source data signal.
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公开(公告)号：US20240212593A1
公开(公告)日：2024-06-27
申请号：US17760096
申请日：2021-08-24
发明人： Chuanyong LI , Teng CHEN , Hui LU , Yong YU , Chang ZHANG
IPC分类号： G09G3/3225 , H10K59/121
CPC分类号： G09G3/3225 , H10K59/1213 , G09G2300/0426 , G09G2300/0842 , G09G2310/0202 , G09G2310/08 , G09G2320/0223 , G09G2320/0233 , G09G2320/0247
摘要： A pixel circuit includes a driving circuit, an energy storage circuit, a first control circuit, a first reset circuit and a data writing-in circuit; the first control circuit is configured to control to connect the second node and a first terminal of the driving circuit under the control of a light-emitting control signal; the first reset circuit is configured to write a reference voltage into the second node under the control of a first reset control signal; the data writing-in circuit is configured to write a data voltage into the first terminal of the driving circuit under the control of a scan signal; the driving circuit is configured to control to connect the first terminal of the driving circuit and the second terminal of the driving circuit under the control of the control terminal of the driving circuit.
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公开(公告)号：US20230196968A1
公开(公告)日：2023-06-22
申请号：US17921988
申请日：2021-06-08
发明人： Chang ZHANG , Yong YU , Yuanyuan CHAI
IPC分类号： G09G3/20 , G09G3/3225
CPC分类号： G09G3/2092 , G09G3/3225 , G09G2330/021
摘要： A display module (10), including a drive IC (11) and a power management IC (12). The power management IC (12) comprises a first identification pin (121); the first identification pin (121) is connected to the drive IC (11); under the condition that the power management IC (12) is turned on, the power management IC (12) transmits identification information to the drive IC (11) by means of the first identification pin (121), so that the drive IC (11) identifies the power management IC (12) and is paired with the power management IC (12). A control method, a control apparatus (200), an electronic device (100) and a computer readable storage medium (40).
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公开(公告)号：US20210358419A1
公开(公告)日：2021-11-18
申请号：US16340598
申请日：2018-08-30
发明人： Lixia SHEN , Yong YU , Zhiguang ZHANG , Taehyun KIM , Chang ZHANG
IPC分类号： G09G3/3275 , G09G3/3225
摘要： A display driving method, a display driving device and a display module are provided. The display driving method includes: during each delay cycle, controlling a first light-emission control signal to be delayed by a predetermined duration from a second light-emission control signal, the predetermined duration corresponding to the delay cycle. The first light-emission control signal is a light-emission control signal outputted by each light-emission control line during an (n+1)-th frame of display time period in the delay cycle, and the second light-emission control signal is a light-emission control signal outputted by the corresponding light-emission control line during an n-th frame of display time period in the delay cycle. Each delay cycle includes N frames of display time periods, N is a positive integer greater than a first predetermined number, and n is a positive integer less than N.
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公开(公告)号：US20210195764A1
公开(公告)日：2021-06-24
申请号：US16917193
申请日：2020-06-30
发明人： Xiaoxia HUANG , Shuang ZHANG , Bing JI , Chang ZHANG
摘要： Disclosed are a display module and a display device. The display module includes a display panel having a light emitting surface and a back surface opposite to the light emitting surface; a drive circuit board disposed adjacent to an edge at a side of the display panel, and a wiring gap is formed between the drive circuit board and the display panel; a chip-on-film, a first connecting end of which is disposed on the light emitting surface and connected to the display panel, and a second connecting end of which passes through the wiring gap and extends to the back surface of the display panel; and an adapter structure disposed on a side of the second connecting end of the chip-on-film facing away from the display panel, connected between the chip-on-film and the drive circuit board.
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