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21.发明授权公开(公告)号：US12232354B2
公开(公告)日：2025-02-18
申请号：US17597234
申请日：2021-12-16
Inventor： Shijian Qin , Ziming Zheng
IPC: H10K50/844 , H10K50/125 , H10K50/15 , H10K50/16 , H10K71/00 , H10K102/00
Abstract: A flexible display panel and a manufacturing method of the flexible display panel are provided. Wherein, the flexible display panel includes: a light-emitting layer, wherein the light-emitting layer includes a light-emitting surface; a mechanoluminescence layer, wherein the mechanoluminescence layer is disposed on the side of the light-emitting surface of the light-emitting layer, and the mechanoluminescence layer is configured to absorb the stress which is generated when the flexible display panel is bent, to convert the stress into the optical signal, and to emit the optical signal. A problem that a stress concentration region of the flexible display panel is prone to failure is solved.
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公开(公告)号：US12230956B2
公开(公告)日：2025-02-18
申请号：US17605024
申请日：2021-07-27
Inventor： Haoran Li
IPC: H02H9/02
Abstract: A current limiting circuit includes a first voltage terminal, a second voltage terminal, a first transistor and a current limiting module. An input terminal of the first transistor is electrically connected to the first voltage terminal, and an output terminal of the first transistor is electrically connected to the second voltage terminal. The current limiting module is electrically connected to the input terminal of the first transistor and a control terminal of the first transistor. The current limiting module is configured to control voltage difference between the control terminal of the first transistor and the input terminal of the first transistor for controlling a state of the first transistor so that a current limiting value of the current limiting circuit is adjustable.
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公开(公告)号：US20250048877A1
公开(公告)日：2025-02-06
申请号：US17423018
申请日：2021-05-31
Inventor： Xuechao REN
IPC: H10K59/50 , G02F1/1514 , G02F1/155 , H10K59/122 , H10K59/80 , H10K102/00 , H10K102/10 , H10K102/20
Abstract: A transparent display panel is provided. The transparent display panel includes a first electrode, a second electrode, and a light-emitting layer disposed between the first electrode and the second electrode. The first electrode is disposed on a light-emitting surface of the light-emitting layer, the second electrode is disposed on one side of the light-emitting layer away from the light-emitting surface, and the second electrode is an electrochromic electrode. The transparent display panel of the present disclosure can reduce an influence of ambient background light on light-emitting pixels without affecting transparent display effect.
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公开(公告)号：US20250046266A1
公开(公告)日：2025-02-06
申请号：US17290736
申请日：2021-04-16
Inventor： Jinfeng Liu
IPC: G09G3/36
Abstract: A source driver chip and a display device are disclosed. The source driver chip includes an OR logic arithmetic unit, a clock buffer, a shift register, and an AND logic arithmetic unit. An OR logic operation is performed on a line latch signal and a first output data delay control enabling signal to obtain a second output data delay control enabling signal, and an AND logic operation is performed on an initial line latch sub-signals and the second output data delay control enabling signal, such that electrostatic interference of the line latch signal can be reduced.
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公开(公告)号：US12217719B2
公开(公告)日：2025-02-04
申请号：US17272244
申请日：2020-12-31
Inventor： Yan Li
Abstract: The present application provides a pixel driving circuit and a display device. The pixel driving circuit includes a scanning signal line and a data signal line. A pixel driving circuit unit includes at least two cascaded units, wherein the pixel driving circuit unit is configured to change a connection number of cascaded units that are connected to the data signal line and a light emitting diode, to adjust a brightness of the light emitting diode so as to effectively improve gray level of displayed picture and display quality.
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Patent Agency Ranking
公开(公告)号：US12216350B2
公开(公告)日：2025-02-04
申请号：US17770649
申请日：2022-03-02
Inventor： Weiheng Yang , Hong Yang , Zhichao Liao
IPC: G02F1/1335
Abstract: The present application provides an anti-glare and anti-reflection film, a polarizer and a display panel. The anti-glare and anti-reflection film includes: a hardened layer; and first extinction particles dispersed in the hardened layer. The first extinction particles include a particle core, a first coating covering the particle core, and a second coating covering the first coating, and the first coating has a greater refractive index than that of the second coating. The anti-glare and anti-reflection film, polarizer and display panel provided by the present application can improve haze of a product itself and reduce reflectivity of a product itself, so as to improve quality of display screen.
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公开(公告)号：US12204202B1
公开(公告)日：2025-01-21
申请号：US18401531
申请日：2023-12-31
Inventor： Jiacong Guo , Ji Li
IPC: G02F1/1335 , G02B5/30 , G02F1/13363
Abstract: Polarizers, manufacturing methods thereof, and display panels are provided. The polarizer includes a substrate having an integrated structure. The substrate includes a first part and a second part disposed on a side of the first part. The first part includes lyotropic liquid crystal molecules and is dispersed with a dichroic material. The second part includes lyotropic liquid crystal molecules without the dichroic material. The first part functions as a polarization part of the polarizer, and the second part functions as a compensation part of the polarizer.
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公开(公告)号：US12204189B2
公开(公告)日：2025-01-21
申请号：US17622226
申请日：2021-12-16
Inventor： Jun Zhao , Bin Zhao , Juncheng Xiao , Hongyuan Xu , Huajun Lu
IPC: G02F1/1333 , G02F1/1345 , H01L25/075
Abstract: A manufacturing method of a display device, the display device, and a spliced display device are disclosed. The display device includes a liquid crystal display panel (LCD display panel), a plurality of pad units, a plurality of conductive units, and a plurality of mini light-emitting diodes (mini-LEDs). The mini-LEDs are manufactured in a bezel area of the LCD display panel to allow the bezel area of the LCD display panel which does not emit light and display originally to display by the mini-LEDs, thereby improving a screen ratio of the display device and improving product competitiveness of the spliced display device.
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公开(公告)号：US20250020953A1
公开(公告)日：2025-01-16
申请号：US18279402
申请日：2023-08-10
Inventor： Ji LI , Guang ZENG , Hanming LI , Hongshan YIN , Fang TAN , Kai CHEN
IPC: G02F1/1335
Abstract: A polarizer and a liquid crystal display device are disclosed. The polarizer includes a first protection film, a polarization layer, a second protection film, a chroma viewing angle enhancement layer, and a surface protection film laminated. Material of the chroma viewing angle enhancement layer includes a resin composite. The resin composite includes a light diffusion agent. The light diffusion agent is aligned in the chroma viewing angle enhancement layer, an acute angle is defined between a long axis direction of light diffusion agent and a bottom surface of the chroma viewing angle enhancement layer, and the acute angle is greater than 0° and is less than or equal to 40°.
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公开(公告)号：US20250013033A1
公开(公告)日：2025-01-09
申请号：US17769731
申请日：2022-04-01
Applicant: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD. , TCL China Star Optoelectronics Technology Co., Ltd.
Inventor： Yanling CHEN
Abstract: An electrowetting display panel and an electrowetting display device are provided. The electrowetting display panel includes a waveguide layer, a first electrode layer, a light exit control layer, a second electrode layer, and a first substrate arranged in sequence. A material of the waveguide layer includes a selenium-containing heterocyclic polymer. The present application enhances a stability of transmission of light beams in the waveguide layer.
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