Display Backlight Patents (Class 362/97.1)
-
Patent number: 12272774Abstract: The present application discloses a light-emitting device comprises a semiconductor light-emitting element, a transparent element covering the semiconductor light-emitting element, an insulating layer which connects to the transparent element, an intermediate layer which connects to the insulating layer; and a conductive adhesive material connecting to the intermediate layer.Type: GrantFiled: May 17, 2021Date of Patent: April 8, 2025Assignee: EPISTAR CORPORATIONInventors: Chien-Liang Liu, Ming-Chi Hsu, Shih-An Liao, Jen-Chieh Yu, Min-Hsun Hsieh, Jia-Tay Kuo, Yu-Hsi Sung, Po-Chang Chen
-
Patent number: 12272777Abstract: A display panel includes a driving substrate, a plurality of bonding pads, a reflective layer, and a plurality of light-emitting units. The driving substrate includes a plurality of wirings of a driving circuit of the display panel. The bonding pads are disposed on the driving substrate and is electrically connected to the wirings of the driving circuit in the driving substrate. Every two of the bonding pads are arranged in pairs. Each of the bonding pads is frustum-shaped. The reflective layer is disposed between two adjacent pairs of the bonding pads. A material of the reflective layer includes photocuring reflective ink. Each of the light-emitting units is electrically connected to each pair of the bonding pads.Type: GrantFiled: December 17, 2021Date of Patent: April 8, 2025Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shixin Zhou
-
Patent number: 12265300Abstract: A backlight module includes a reflective plate, a plurality of light-emitting elements and a plurality of light guide plates. The reflective plate has light source grooves and first position limiting parts, and each light source groove has a reflective surface, a light outlet and a bottom side. The reflective surface is located between the light outlet and the bottom side. The first position limiting parts are respectively connected to the reflective surfaces and are respectively close to the light outlets. The light-emitting elements are respectively disposed in the light source grooves and respectively surrounded by the reflective surfaces. The light guide plates are respectively disposed in the light source grooves and respectively located between the reflective surfaces and the light-emitting elements. The first position limiting parts are respectively adapted to block the light guide plates from being separated from the reflective plate from the light outlets.Type: GrantFiled: April 10, 2024Date of Patent: April 1, 2025Assignee: DARWIN PRECISIONS CORPORATIONInventors: Ming Chin Tsai, Wen-Tai Shen, Chun-Fu Chuang
-
Patent number: 12259625Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.Type: GrantFiled: July 10, 2024Date of Patent: March 25, 2025Assignee: LG INNOTEK CO., LTD.Inventors: Yeong Seok Yu, Do Yub Kim, Se Yeon Choi
-
Patent number: 12222604Abstract: A wavelength conversion element including a substrate, a blocking wall structure layer, and a wavelength conversion layer is provided. The blocking wall structure layer is disposed on a surface of the substrate and defines multiple microgrooves. Reflectivity of the blocking wall structure layer is in a range of 1% to 99%. The wavelength conversion layer is disposed in the microgrooves and includes multiple wavelength conversion particles. A height of the blocking wall structure layer along a normal direction of the surface of the substrate is greater than a height of the wavelength conversion layer along the normal direction of the surface of the substrate. A backlight module adopting the wavelength conversion element is also provided.Type: GrantFiled: September 4, 2023Date of Patent: February 11, 2025Assignee: Coretronic CorporationInventors: Ching-Nan Chuang, Hung-Tse Lin, Ming-Dah Liu, Yen-Ni Lin
-
Patent number: 12222534Abstract: Provided is an optical film comprising a first base portion; a pyramid pattern layer including a plurality of pyramid patterns formed on a first surface of the first base portion and a first side of a base of the pyramid pattern arranged in a pyramid direction; and a first prism pattern layer including a plurality of first prism patterns formed on a second surface of the first base portion and an edge of the first prism pattern arranged in a prism direction.Type: GrantFiled: April 30, 2024Date of Patent: February 11, 2025Assignee: LMS Co., Ltd.Inventors: Byeonghun Lee, Hyeonuk Park, Dongkyu Lee, Changgoo Park
-
Patent number: 12210237Abstract: An electronic device is provided. The electronic device includes: a back plate, a panel, a first support component and a second support component. The panel is disposed on the back plate and includes a first corner and a second corner. The first support component is disposed between the first corner of the panel and the back plate. The second support component is disposed between the second corner of the panel and the back plate. At least one of the first support component and the second support component has a slot, and a first portion of the back plate extends into the slot.Type: GrantFiled: October 4, 2023Date of Patent: January 28, 2025Assignee: Innolux CorporationInventors: Yujun Chiu, Joe Huang
-
Patent number: 12210242Abstract: An electronic device is provided. The electronic device includes a housing, a driving circuit assembly, an adhesive layer, and a flexible circuit board. The driving circuit assembly is disposed on the housing. The adhesive layer is disposed between the housing and the driving circuit assembly. The adhesive layer includes an opening. The flexible circuit board is electrically connected to the driving circuit assembly. The flexible circuit board overlaps the opening. The housing and the driving circuit assembly are connected to each other by the first adhesive segment and the second adhesive segment.Type: GrantFiled: September 5, 2023Date of Patent: January 28, 2025Assignee: Red Oak Innovations LimitedInventors: Shan-Shan Hsu, Ming-Tsang Wu, Chia-Chieh Fan
-
Patent number: 12197069Abstract: A display system includes a backlight configured to project light. A first display unit is disposed proximate the backlight. A second display unit is disposed proximate the first display unit. A microcontroller is in communication with one or more of the backlight, the first display unit and the second display unit. The microcontroller executes instructions to adjust the first display unit between a first transmissive state and a second transmissive state.Type: GrantFiled: September 5, 2023Date of Patent: January 14, 2025Assignee: Visteon Global Technologies, Inc.Inventors: Paul Fredrick Luther Weindorf, David Whitton
-
Patent number: 12189233Abstract: A display system comprises a display, configured for displaying data, wherein the display comprises an inactive display edge not configured for displaying, and an active display inner surface configured for displaying. The display system further comprises a backlighting module having luminous units, wherein the backlighting module is arranged directly or indirectly at a rear side of the display, such that the light emitted by the luminous units forms a backlight for the display. The backlighting module comprises a backlighting edge corresponding to the display edge and comprises a backlighting inner surface corresponding to the display inner surface. The display system further comprises and a control system for driving the luminous units. A vehicle comprising a display system and a method for operating a display system is also provided.Type: GrantFiled: October 12, 2020Date of Patent: January 7, 2025Assignee: Continental Automotive GmbHInventors: Torsten Lahr, Ulrich Kabatek, Markus Weber, Steffen Wildner
-
Patent number: 12190774Abstract: A display device includes a pixel component including a first pixel area in which pixels are disposed at a first density, and a second pixel area in which the pixels are disposed at a second density less than the first density, and a grayscale compensator which converts input grayscale values for the first pixel area to output grayscale values within a first grayscale range, and converts the input grayscale values for the second pixel area to the output grayscale values within a second grayscale range. An upper limit of the second grayscale range is greater than an upper limit of the first grayscale range.Type: GrantFiled: May 15, 2023Date of Patent: January 7, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Chang Ho Hyun
-
Patent number: 12189237Abstract: A display device includes an LED assembly, an optical sheet above the LED assembly, a plate above the optical sheet, a brightness enhancement film above the plate, a display panel above the brightness enhancement film, a light absorbing layer in contact with a first surface of the plate, and the light absorbing layer comprising a light absorbing material and an adhesive material, wherein the light absorbing material absorbs light having at least one wavelength between a wavelength of green light and a wavelength of red light, and wherein the brightness enhancement film or the optical sheet is in contact with a second surface of the plate.Type: GrantFiled: July 11, 2023Date of Patent: January 7, 2025Assignee: LG Display Co., Ltd.Inventors: Jung Ill Cho, Sang Mook Lee, Chang Kyeong Kong, Seung Yeol Yang
-
Patent number: 12193184Abstract: A display includes an outer frame, a supporting frame, a display module, and a covering member. The supporting frame is accommodated in the outer frame. The display module is disposed on a supporting member of the supporting frame. The supporting member extends toward a display region of the display module from the supporting frame. On a first surface of the display module, a projection area of the supporting member and a projection area of an first optical film of the display module are partially overlapped with each other. A third surface of the covering member is closely attached to a second optical film of the display module. The covering member has an extension portion. The extension portion extends from a fourth surface opposite to the third surface toward a direction away from the third surface, and the extension portion is coplanar with the outer side surface of the outer frame.Type: GrantFiled: November 20, 2023Date of Patent: January 7, 2025Assignee: AUO DISPLAY PLUS CORPORATIONInventors: Chia-Hung Chen, Chung-Kuan Ting, Hong-Ming Chen, Yung-Jen Chen
-
Patent number: 12181746Abstract: The present application discloses a backlight module and a display device. The present application disposes a supporting portion, configured to support the diffuser plate, on a bottom board of a backplate. The supporting portion needs no connection with a light emitting diode (LED) lamp board. Compared to a conventional backlight module using a structure of a support bracket connected to an LED lamp board, the supporting portion of the present application can be formed during manufacturing the bottom board of the backplate to reduce fabrication processes of the backlight module and lower installation difficulty and a cost.Type: GrantFiled: May 18, 2022Date of Patent: December 31, 2024Assignee: TCL China Star Optoelectronics Technology Co., Ltd.Inventor: Ze Cao
-
Patent number: 12174487Abstract: A lighting device includes light sources, a board having a mount surface on which the light sources are arranged, and a reflection member disposed on the mount surface of the board and having a rectangular plan view shape. The reflection member includes insertion holes in each of which at least one of the light sources is disposed and wall portions defining a surface area of the reflection member into reflection areas in a grid. Some of the wall portions surround at least one of the insertion holes. The reflection areas include a first reflection area at a corner portion of the reflection member. The wall portions include one wall portion that is included in the first reflection area and the one wall portion includes a passing portion through which light from one of the light sources that is adjacent to the reflection area via the one wall portion passes.Type: GrantFiled: February 26, 2024Date of Patent: December 24, 2024Assignee: Sharp Display Technology CorporationInventors: Hirotoshi Yasunaga, Hisashi Watanabe
-
Patent number: 12163658Abstract: A diffuser is disclosed. A system comprising a light source and a diffuser is disclosed. The light source is aligned with a microlens of the diffuser in a static configuration. A method of reducing speckle with the system is also disclosed.Type: GrantFiled: July 25, 2023Date of Patent: December 10, 2024Assignee: VIAVI SOLUTIONS INC.Inventor: Tasso R. M. Sales
-
Patent number: 12147120Abstract: A display device of the present disclosure includes: a display panel; a frame which is positioned in a rearward direction of the display panel, and to which the display panel is coupled; a substrate which is positioned between the display panel and the frame, and fixed to the frame; a plurality of light sources mounted on the substrate to form a row and a column; a reflective sheet which is positioned on the substrate, and has a plurality of holes through which each of the plurality of light sources passes; and a light pattern which is formed on the reflective sheet, and converts a color of a light provided by the plurality of light sources, wherein the reflective sheet includes: a first hole positioned adjacent to an edge of the reflective sheet; a second hole which is positioned adjacent to the first hole and positioned farther than the first hole from the edge of the reflective sheet; a first area positioned around the first hole; and a second area positioned around the second hole, wherein the light patteType: GrantFiled: February 16, 2022Date of Patent: November 19, 2024Assignee: LG ELECTRONICS INC.Inventors: Jihee Park, Jihye Yoon, Kilhoon Lee, Kiryong Jeong, Keonwoo Kim, Nayeon Jung
-
Patent number: 12142718Abstract: A light emitter mounting board for improving light extraction efficiency includes an insulating substrate, an electrode layer, a resin layer, a coating layer, and a reflective electrode. The resin layer is located on the electrode layer and has a through-hole portion extending in a thickness direction. The coating layer covers a surface of the resin layer and an inner peripheral surface of the through-hole portion. The coating layer includes an in-hole portion covering the inner peripheral surface and having a lateral thickness gradually increasing from the surface of the resin layer toward the electrode layer. The reflective electrode extends at least on a surface of the in-hole portion of the coating layer and on an exposed portion of a surface of the electrode layer.Type: GrantFiled: April 20, 2020Date of Patent: November 12, 2024Assignee: KYOCERA CORPORATIONInventor: Masaya Tamaki
-
Patent number: 12130519Abstract: A backlight assembly is provided, comprising a backboard, one or more light sources, a diffuser plate, and one or more supporting assembly. The light sources are arranged on the backboard. The diffuser plate is arranged on the light-emitting side of the light source. The supporting assembly is arranged between the backboard and the diffuser plate. The supporting assembly comprises a supporting base and an elastic support. The supporting base connects with the backboard, one end of the elastic support is connected with the supporting base, another end of the elastic support supports the diffuser plate. The elastic support defines on a plurality of dimming grooves, the plurality of dimming grooves reflects at least a part of light emitted by the light source to the diffusion plate.Type: GrantFiled: December 7, 2023Date of Patent: October 29, 2024Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Hsien Chen, Chia-Huang Chang, Ming-Chih Chiu
-
Patent number: 12120924Abstract: Provided are a display panel and a display device. The display panel includes a display area, the display area includes transparent display regions, where film layers in at least two display regions of transparent display regions have different thicknesses, and/or the film layers in the at least two adjacent transparent regions are made of different materials.Type: GrantFiled: November 25, 2021Date of Patent: October 15, 2024Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Jujian Fu, Shaorong Yu
-
Patent number: 12099232Abstract: The present application discloses a backlight module and a mobile terminal. The backlight module includes a reflection layer and a light adjustment layer that are arranged oppositely, wherein he reflection layer is disposed at a periphery of each of light sources, the light adjustment layer includes first light guide portions and a second light guide portion, a light transmittance of each of the first light guide portions is lower than a light transmittance of the second light guide portion, and the reflection layer includes a diffuse reflection sub-layer at least partially overlapping with at least one of the second light guide portion, and a specular reflection sub-layer at least partially overlapping with at least one of the first light guide portions.Type: GrantFiled: June 29, 2022Date of Patent: September 24, 2024Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventors: Yong Yang, Jiedong Han, Fancheng Liu, Guowei Zha
-
Patent number: 12092926Abstract: The present invention discloses a backlight module and a display device adopting the backlight module. The backlight module is composed of a plurality of backlight panels spliced with each other; wherein the backlight panel includes: a plurality of first light-emitting unit arranged in the body area; and a plurality of second light-emitting units arranged in the splicing area, wherein the plurality of first light-emitting units and the plurality of second light-emitting units are arranged in a matrix, and under a same area, a brightness of the body area is lower than a brightness of the splicing area.Type: GrantFiled: December 13, 2021Date of Patent: September 17, 2024Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.Inventors: Dongzi Chen, Jiao Wang
-
Patent number: 12092856Abstract: The present invention relates to a lighting device (10), comprising: a plurality of first light sources (24) adapted to emit visible light (24); a light guide panel (12), wherein visible light emitted by the plurality of first light sources in operation is coupled into the light guide panel via a light incoupling part (16a); at least one second light source (28) adapted to emit at least one of UV light (28?) and violet light to be coupled into the light guide panel via a light incoupling part (16a; 16b); and an optical element (30; 30?; 30?; 42) made of a first material which is different and more UV resistant than a second material that the light guide panel is made of, wherein the optical element is adapted to distribute light emitted by the at least one second light source over an area (34; 46) which is larger than a total light output surface area (35) of the at least one second light source before the light is coupled into the light guide plate.Type: GrantFiled: September 30, 2021Date of Patent: September 17, 2024Assignee: SIGNIFY HOLDING B.V.Inventor: Ties Van Bommel
-
Patent number: 12085807Abstract: An optical sheet laminate 100 to be incorporated into a backlight unit 40 includes a plurality of diffusion sheets 43 having a first surface 21a having a plurality of recesses 22 having a substantially inverted quadrangular pyramid shape, and a pair of prism sheets 44 and 45 having prism extending directions perpendicular to each other. An arrangement direction of the recesses 22 of one of the plurality of diffusion sheets 43 closest to the prism sheets 44 and 45 intersects with the prism extending directions at an angle of 0° or more and 20° or less, or 70° or more and 90° or less.Type: GrantFiled: March 13, 2024Date of Patent: September 10, 2024Assignee: KEIWA INCORPORATEDInventor: Chengheng Tsai
-
Patent number: 12085737Abstract: A composite optical film comprises a first optical film and a second optical film disposed on the first optical film, wherein the first optical film comprises a first substrate; a plurality of reversed prisms disposed on a bottom surface of the first substrate; and a first diffusion film disposed over a top surface of the first substrate; and the second optical film comprises a first PET film thereon having a first set of prisms and a second PET film having a second set of prisms thereon, wherein the first PET film and the second PET film are laminated together.Type: GrantFiled: March 23, 2023Date of Patent: September 10, 2024Assignee: UBRIGHT OPTRONICS CORPORATIONInventors: Yi-Long Tyan, Ching-An Yang, Yu-Mei Juan, Hsin-Yi Tsai, Yu-Cheng Hsiao, Lung-Pin Hsin, Hui-Yong Chen
-
Patent number: 12072575Abstract: The present disclosure discloses a driving backplate, a manufacturing method thereof, and a display device. The driving backplate includes a substrate, a reflective layer disposed on a side of a substrate, and a plurality of electronic devices disposed on a side of the reflective layer away from the substrate; the reflective layer includes a plurality of openings, and includes a plurality of overlapping parts disposed adjacent to the openings and corresponding to the plurality of openings; and an orthogonal projection of each of the overlapping parts on a plane of the substrate overlaps with an orthogonal projection of a part of each of the electronic devices on the plane of the substrate.Type: GrantFiled: May 28, 2023Date of Patent: August 27, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Hongzhao Deng
-
Patent number: 12073799Abstract: An electronic device comprises: a memory to store an image input; a backlight unit; a driving unit to output a driving current to the backlight unit; and a processor to identify, based on a grayscale value of the image, a first intensity of the driving current corresponding to one from among a plurality of time sections of a backlight dimming section, obtaining, based on the identified first intensity, a first control value that allows control of an intensity of the driving current, providing a second control value, which is greater than a first control value to the driving unit, that allows the driving unit to output a driving current of a second intensity that is greater than the first intensity, and provide the first control value to the driving unit that allows the driving unit to output the driving current of the first intensity during the one time section.Type: GrantFiled: August 23, 2023Date of Patent: August 27, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Minhoon Lee, Gyonyun Kim, Jungjin Kim
-
Patent number: 12066732Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.Type: GrantFiled: December 14, 2023Date of Patent: August 20, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Yeong Seok Yu, Do Yub Kim, Se Yeon Choi
-
Patent number: 12058826Abstract: A hinge, a display panel, and an electronic device are disclosed. The hinge includes a fixed bracket and a supporting mechanism, wherein the supporting mechanism includes a first supporting element rotatably connected to the fixed bracket along a first shaft, a second supporting element rotatably connected to the first supporting element along a second shaft, a third supporting element rotatably connected to the fixed bracket along a third shaft, and a fourth supporting element rotatably connected to the third supporting element along a fourth shaft.Type: GrantFiled: June 9, 2021Date of Patent: August 6, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Zikang Feng
-
Patent number: 12032242Abstract: A BLU includes a 2D array of LEDs producing light with an angular distribution of nominally ±90 degrees around a center. A transparent solid material layer is positioned with a bottom surface over the 2D array of LEDs and configured to transform the light produced by the 2D array into light having an angular distribution of nominally less than ±90 degrees around the at a top surface of the transparent solid material layer. A diffuser film is positioned over the top surface of the transparent solid material layer configured to provide a FWHM of greater than 60 degrees and configured to diffuse the light produced at the top surface of the transparent solid material layer to produce diffused light at a top surface of the diffuser film. A BEF positioned over the top surface of the diffuser film and comprising a plurality of prism microstructures, where at least some prism microstructures have an apex angle of approximately ninety degrees.Type: GrantFiled: January 21, 2024Date of Patent: July 9, 2024Assignee: BrightView Technologies, Inc.Inventors: Kenneth L. Walker, Matthew K. Pope
-
Patent number: 12033995Abstract: A display module, including a plurality of pixels, includes: a first substrate; a plurality of micro pixel packages provided on an upper surface of the first substrate; and a driver integrated circuit (IC) configured to transmit a driving signal to the plurality of micro pixel packages. Each of the plurality of micro pixel packages includes a second substrate; a plurality of inorganic light emitting devices provided on an upper surface of the second substrate; and a micro pixel controller provided on a lower surface of the second substrate, the micro pixel controller being configured to control the plurality of inorganic light emitting devices.Type: GrantFiled: April 14, 2023Date of Patent: July 9, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Changkyu Chung, Gyun Heo, Tackmo Lee, Kyungwoon Jang, Soonmin Hong, Daesuck Hwang
-
Patent number: 12025827Abstract: According to one embodiment, an illumination device includes a first light guide, a second light guide and a plurality of light sources. The first light guide includes a first main surface, a second main surface facing the first main surface, and a first side surface connected to the second light guide. The first side surface further includes a first connection surface and a second connection surface. The first connection surface extends from an end portion of the first main surface to the second main surface and obliquely extends so as to move away from the second side surface. The second connection surface perpendicularly extends from an end portion of the first connection surface to an end portion of the second main surface.Type: GrantFiled: June 16, 2023Date of Patent: July 2, 2024Assignee: JAPAN DISPLAY INC.Inventors: Koji Fujisawa, Ken Kagabu, Hiroaki Kijima, Ken Onoda
-
Patent number: 12018191Abstract: Described are luminescent components with excellent performance and stability. The luminescent components comprise a solid material composition comprising luminescent crystals 11 from the class of perovskite crystals, embedded in a solid matrix 14 comprising a polymer P1 or Small Molecules SM1 and metal selected from Mg, Sr, Ba, Sc, Y, Zn, Cd, In, and Sb. Further described are components and devices comprising the same. Also described are methods for manufacturing such components and devices comprising such components and liquid compositions useful for such manufacturing.Type: GrantFiled: May 16, 2022Date of Patent: June 25, 2024Assignee: Avantama AGInventors: Norman Albert Lüchinger, Marek Oszajca, Stefan Loher, Victoria Blair, Karin Fleischmann
-
Patent number: 11971623Abstract: According to an embodiment of the present disclosure, a display screen, a display device, and a method for manufacturing the display screen are disclosed. The display screen includes a display panel and a light bar. The light bar includes an array substrate and a plurality of light emitting elements, and a first gap is provided between two adjacent light emitting elements. A reflecting wall is arranged in the first gap between at least two adjacent light emitting elements. By arranging the reflecting wall, the side light of the light emitting elements can be reflected upwards, thereby reducing an emission angle of the light bar.Type: GrantFiled: December 22, 2021Date of Patent: April 30, 2024Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Huajun Lu, Juncheng Xiao, Hongyuan Xu
-
Patent number: 11959604Abstract: A display screen and a display device are provided. The display screen includes a display panel assembly, a light bar, and a reflective layer. The display panel assembly includes at least two display panels with a splicing gap between each two display panels. The light bar is attached to a display surface of the display panel assembly, covers the splicing gap, and has two opposite side surfaces extending along a length of the splicing gap. At least one side surface of the light bar is provided with the reflective layer to prevent black borders from appearing on the side surfaces of the light bar.Type: GrantFiled: November 30, 2021Date of Patent: April 16, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Meinan Li, Xing Lei, Xu Wang
-
Patent number: 11947152Abstract: Provided are a display module and a display device. The display module includes a photosensitive element, a backlight unit, and a backlight. The backlight unit includes a first reflective sheet provided with a first opening corresponding to the photosensitive element, a light guide plate including a first region corresponding to the photosensitive element and a second region adjacent thereto, and an optical film provided with a second opening corresponding to the photosensitive element. A plurality of the microstructures are provided on a side of the light guide plate facing the photosensitive element. A distance between two adjacent columns of the microstructures in the first region is less than a distance between the two adjacent columns of the microstructures in the second region, or in a column of the microstructures, sizes of the microstructures in the first region are greater than sizes of the microstructures in the second region.Type: GrantFiled: April 15, 2023Date of Patent: April 2, 2024Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanying Du, Jiangbo Yao
-
Patent number: 11886087Abstract: The lighting device disclosed in the embodiment includes a substrate, a light emitting device disposed on a lower surface of the substrate, a reflective layer disposed to face a light emitting surface of the light emitting device, a first resin layer disposed between the substrate and the reflective layer, and a light-transmission control layer disposed on an upper surface of the substrate, wherein the light-transmission control layer may include a liquid crystal layer including a cholesteric liquid crystal, and light emitted through the light emitting surface of the light emitting device may be reflected by the reflective layer and be provided to the light-transmission control layer through the substrate.Type: GrantFiled: August 10, 2021Date of Patent: January 30, 2024Assignee: LG INNOTEK CO., LTD.Inventors: Yeong Seok Yu, Do Yub Kim, Se Yeon Choi
-
Patent number: 11886255Abstract: A foldable display device includes a first casing and a second casing supporting a first area and a second area of a display panel, respectively, a support disposed between the first casing and the second casing, supporting the display panel based on the folding direction of the foldable display device, and including a support body which ascends toward the display panel during the out-folding operation, and descends toward a bottom face of the hinge cover during the in-folding operation.Type: GrantFiled: November 17, 2021Date of Patent: January 30, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Shinsuk Lee, Seungo Jeon, Youngjoon Yun
-
Patent number: 11874562Abstract: A component for dissipating heat of a device, a backlight module, and a display panel are disclosed. The component for dissipating heat of the device includes a first elastic body and a heat dissipation apparatus, and a first temperature threshold is set. The component for dissipating heat of the device dissipates heat of the device and ensures heat insulation of the device by a physical method, and does not include a sensor or a logic circuit. Therefore, it has low cost and eco-friendly applications, and does not consume electrical power.Type: GrantFiled: December 13, 2021Date of Patent: January 16, 2024Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shixin Zhou
-
Patent number: 11841578Abstract: Provided is a LED light board including a substrate, a plurality of LEDs, and a colloid layer. The substrate has a plurality of adjacent light emission areas. These LEDs are respectively disposed on these light emission areas. The colloid layer is disposed on these light emission areas. These LEDs are disposed between the substrate and the colloid layer, and are covered by the colloid layer. The colloid layer has a plurality of recesses on each light emission area, and these recesses expose an upper surface of the substrate corresponding to these recesses. At least a portion of the recesses on each light emission area are disposed around the corresponding LED.Type: GrantFiled: October 31, 2022Date of Patent: December 12, 2023Assignee: Coretronic CorporationInventor: Chun-Chi Hsu
-
Patent number: 11835819Abstract: A reflective sheet comprises a plurality of perforations for extending a plurality of light-emitting elements therein, the reflective sheet further comprises a central line passing through its center, at least one first dimming area, and at least one second dimming area, and the distance between the at least one first dimming area and the central line is smaller than the distance between the at least one second dimming area and the central line. The light-emitting elements are distributed in the at least one first dimming area and the at least one second dimming area, the at least one first dimming area has a first dimming means, the at least one second dimming area has a second dimming means, the dimension of the first dimming means is different from the dimension of the second dimming means.Type: GrantFiled: October 26, 2022Date of Patent: December 5, 2023Assignee: Radiat Opto-Electronics CorporationInventors: Tzu-Ching Yang, Ya-Yun Hsieh, Pei-Ling Kao, Pei-Fen Hou
-
Patent number: 11835219Abstract: An illumination device includes a plurality of light sources arranged in at least a first group of light sources having one or more light sources and a second group of light sources having one or more light sources and further includes one or more light collectors, each being arranged for collecting light from one or more light sources from the first group of light sources and for converting the collected light into one or more light beams. The first and second groups of light sources are each individually controllable. The first and second groups of light sources are both arranged for emitting light from a space on one side of the one or more light collectors. The illumination device is arranged so that light emitted from the second group of light sources through the one or more light collectors defines a pattern comprising one or more elongated elements.Type: GrantFiled: April 20, 2022Date of Patent: December 5, 2023Assignee: Harman Professional Denmark APSInventors: Niels Jørgen Rasmussen, Claus Ellevang Hansen
-
Patent number: 11812594Abstract: The present disclosure provides a display apparatus. The display apparatus includes a display module including a display panel and a guide plate, a flexible printed circuit board extending from the display panel, a source printed circuit board connected to the flexible printed circuit board and attached to the guide plate, at least one driving chip disposed on the source printed circuit board, and a protective member disposed to cover the flexible printed circuit board, the source printed circuit board, and the driving chip.Type: GrantFiled: December 21, 2020Date of Patent: November 7, 2023Assignee: LG Display Co., Ltd.Inventors: Won-Tae Kim, Se-Hwan Jeon
-
Patent number: 11812564Abstract: An electronic device is provided. The electronic device includes: a panel, a first support component, and a second support component. The panel includes a bottom surface, a first corner and a second corner, and the bottom surface is connected between the first corner and the second corner. The first support component includes a first side portion that supports the first corner of the panel. The first side portion has a first length and a first Young's modulus. The second support component includes a second side portion that supports the second corner of the panel. The second side portion has a second length and a second Young's modulus. The first length and the second length satisfy the following inequalities: 10 × W 2 ? ? k ? ? 1 × tan ? ? 1 ° ? L ? ? 1 < P 2 , and 10 × W 2 ? ? k ? ? 2 × tan ? ? 1 ° ? L ? ? 2 < P 2 , .Type: GrantFiled: July 22, 2020Date of Patent: November 7, 2023Assignee: Innolux CorporationInventors: Yujun Chiu, Joe Huang
-
Patent number: 11796859Abstract: A display apparatus, comprising a functional layer on the light emitting side of a light source and a diffusion plate. A support for the diffusion plate is arranged between the light source and the functional layer, a cushion portion is arranged between the support and the functional layer, and the cushion portion is in contact with the support and the functional layer. Pressure of the support on the functional layer is reduced by providing the cushion portion between the support and the functional layer.Type: GrantFiled: March 28, 2022Date of Patent: October 24, 2023Assignee: HISENSE VISUAL TECHNOLOGY CO., LTD.Inventors: Nannan Zhang, Fulin Li, Jinlong Li, Mingsheng Qiao, Xiaowei Liu, Xiao Li, Yushuai Zhai
-
Patent number: 11789310Abstract: Embodiments of the disclosure relate to a backlight unit and a display device including the same. Specifically, there may be provided a backlight unit with enhanced image quality and a display device in the same, which include a plurality of light sources disposed on a printed circuit and spaced apart from each other, a reflector disposed on the printed circuit and including at least one protrusion disposed to correspond to the at least one light source and a diffusion plate disposed on the reflector, wherein the protrusion surrounds at least one light source, and wherein the protrusion includes at least one opening in a side surface thereof.Type: GrantFiled: November 2, 2022Date of Patent: October 17, 2023Assignee: LG Display Co., Ltd.Inventors: Miok Kim, SeokHwan Oh
-
Patent number: 11782311Abstract: A backlight module includes a housing, a diffuser plate, an optical film, a holder and a light source. The housing has a groove. The groove is arranged along a periphery of the housing. The diffuser plate is disposed in the housing and has an edge located in the groove. The optical film is disposed on the diffuser plate and has a thru-hole. The holder is disposed in the groove of the housing and includes a holding portion and a hanging portion. The holding portion engages the edge of the diffuser plate. The hanging portion is connected to the holding portion and extends through the thru-hole of the optical film. The light source is disposed in the housing.Type: GrantFiled: March 22, 2022Date of Patent: October 10, 2023Assignee: AmTRAN Technology Co., Ltd.Inventors: Chun-Wei Liu, Chen-Han Huang, Chih-Kuei Wang
-
Patent number: 11762234Abstract: The present disclosure provides a backlight module and a display device. The backlight module includes a substrate layer and light-emitting diode (LED) light bars equidistantly disposed on the substrate layer. Wherein, each of the LED light bars includes a signal line and LED lamp beads. The LED lamp beads are arranged on the signal line and electrically connected to the signal line. Wherein, a distribution density of the LED lamp beads gradually decreases from a low-level end of the signal line to a high-level end of the signal line.Type: GrantFiled: October 23, 2020Date of Patent: September 19, 2023Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Lixia Li
-
Patent number: 11762228Abstract: A display device in the present disclosure includes: a display panel having a display on a front surface; a flexible circuit board connected to the display panel; and a panel chassis supporting a rear surface of the display panel. On an outer side of a lateral end of the display panel, the panel chassis has a flexible circuit board guide projected from the rear surface side of the display panel to the front surface side thereof. The flexible circuit board is provided along the flexible circuit board guide in a manner to extend on an outer side thereof.Type: GrantFiled: October 27, 2022Date of Patent: September 19, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Katsutoshi Nakamura
-
Patent number: 11754242Abstract: A lighting module including a housing with a cavity enclosed with a light-emitting surface and in which an LED is mounted connectable to a power source and possibly also to a control circuit. Between the LED and the light-emitting surface is arranged a transparent optical filter having an upper surface and a lower surface. The upper surface is adapted for the passage of a minor portion of light from the cavity of the housing to the light-emitting surface and, at the same time, the upper surface is adapted to reflect most of the light from the cavity of the housing back to the lower surface.Type: GrantFiled: July 1, 2021Date of Patent: September 12, 2023Inventors: Tomas Gloss, Michal Borek, Michal Juhanak