Dielectric Mirror (i.e., In Devices Excited Other Than By Photoconductive Layer) Or Transflector Patents (Class 349/114)
  • Patent number: 10866477
    Abstract: An array substrate and a display panel are provided. The array substrate includes a base layer, a first metal layer, a first insulating layer, a second metal layer, a second insulating layer, a first electrode layer, and a reflective layer successively stacked along a direction perpendicular to a plane in which the base layer is located. The second metal layer is used to form a source and a drain of a thin film transistor. The first electrode layer is used to form a pixel electrode. The second insulating layer is provided with a through-hole. The pixel electrode is connected to the drain of the thin film transistor through the through-hole. The reflective layer is provided with a first through-hole, and an orthographic projection of the first through-hole onto the base layer covers an orthographic projection of the through-hole onto the base layer.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 15, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ming Xie, Qiang Jia, Mingwei Zhang, Xiangjian Kong, Jine Liu, Feng Qin
  • Patent number: 10854643
    Abstract: The present application discloses a display panel and a display apparatus. The display panel includes a substrate, and a plurality of first-layer conducting wires, where each of the first-layer conducting wires is disposed on the substrate, a polarizing color filter layer is disposed on the first-layer conducting wire and forms a color filter film with anisotropy, and the first-layer conducting wire is connected to a column data driver and a pixel driver of the display panel.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: December 1, 2020
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Chung-Kuang Chien
  • Patent number: 10852603
    Abstract: A novel liquid crystal on silicon (LCoS) device includes an array of pixel electrodes having a highly reflective material formed thereon. In a particular embodiment, the pixel electrodes are aluminum and have silver pixel mirrors electroplated thereon. In a more particular embodiment, the LCoS device includes auxiliary circuitry facilitating the electroplating of the pixel mirrors.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: December 1, 2020
    Assignee: OmniVision Technologies, Inc.
    Inventor: Chun-Sheng (CS) Fan
  • Patent number: 10839760
    Abstract: According to one embodiment, a display device includes a main pixel includes a plurality of sub-pixels which exhibit different colors, respectively, a first pixel block adjacent to the main pixel, a second pixel block adjacent to the first pixel block, and electrically connected to the first pixel block, and a driver which drives the main pixel and the first pixel block, wherein the main pixel, the first pixel block, and the second pixel block are located in a display area which displays an image, the display area includes an outer edge portion, the first pixel block is closer to the outer edge portion than the main pixel is, and the second pixel block is closer to the outer edge portion than the first pixel block is, and the second pixel block overlaps the driver in planar view.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: November 17, 2020
    Assignee: Japan Display Inc.
    Inventor: Masaya Tamaki
  • Patent number: 10816149
    Abstract: The invention provides lighting device (1000) configured to provide a beam of lighting device light (1001), the lighting device (1000) comprising: (a) a light transmissive window (100) having a first window side (101) and a second window side (102); (b) a reflector (200) comprising a reflector cavity (210), the reflector cavity (210) comprising a first reflector cavity side (201), a reflector cavity exit side (202), a reflector cavity wall (205) bridging said first reflector cavity side (201) and said reflector cavity exit side (202); wherein the reflector cavity wall (205) comprises a light reflective material (206), wherein the recavity wall (205) comprises a 3D-printed cavity wall (1205); wherein at least part of the first window side (101) is configured as reflector cavity exit window (220) at the reflector cavity exit side (202); (c) a light source (10) configured at the first reflector cavity side (201) and configured to provide light source light (11) within said reflector cavity (210); and (d) a beam
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 27, 2020
    Assignee: SIGNIFY HOLDING B.V.
    Inventors: Erik Paul Boonekamp, Rifat Ata Mustafa Hikmet, Paulus Albertus Van Hal
  • Patent number: 10816863
    Abstract: The invention provides a reflective LCD panel. The reflective LCD panel of the invention is disposed with white sub-pixel unit in the pixel unit. When the pixel electrode is disposed below the CF layer, the white sub-pixel unit is a transparent film layer and the pixel electrode is a reflective electrode, or when the white sub-pixel unit is a reflective film layer, the pixel electrode is a transparent electrode or a non-transparent electrode; when the pixel electrode is disposed above the CF layer, the white sub-pixel unit is a reflection film layer and the pixel electrode is a transparent electrode. The reflective LCD panel of the invention utilizes the combination of the white sub-pixel unit and the pixel electrode to improve the utilization of the ambient light, so as to enhance the brightness of the pixel unit and further enhance the brightness of the reflective LCD panel.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: October 27, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiang Li
  • Patent number: 10811770
    Abstract: A scanning antenna includes a TFT substrate, a slot substrate, and a liquid crystal layer. The TFT substrate includes a transfer terminal section including a patch connection section formed of the same low-resistance metal film as that of a patch electrode, a first protection metal layer formed on the patch connection section, and a first insulating layer including an opening partially exposing an upper face of the first protection metal layer. The slot substrate includes a terminal section including a slot connection section formed of the same low-resistance metal film as that of the slot electrode, a second protection metal layer formed on the slot connection section, and a second insulating layer including an opening partially exposing an upper face of the second protection metal layer.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: October 20, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Katsunori Misaki, Kunio Matsubara
  • Patent number: 10802193
    Abstract: A light source module includes a light guide plate, a first inverse prism sheet, a second inverse prism sheet, and a light source. The light guide plate has a light incident surface, a first light emitting surface and an opposing second light emitting surface. The second light emitting surface has a plurality of microstructures. Each microstructure is a recessed structure. The first inverse prism sheet is disposed beside the first light emitting surface of the light guide plate. The first inverse prism sheet includes a plurality of first prism columns. The first prism columns face the first light emitting surface. The second inverse prism sheet is disposed beside the second light emitting surface of the light guide plate. The second inverse prism sheet includes a plurality of second prism columns. The second prism columns face the second light emitting surface. The light source is disposed beside the light incident surface.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: October 13, 2020
    Assignee: Coretronic Corporation
    Inventors: Wen-Chin Tsai, Hui-Chuan Chen, Yin-Jen Lin
  • Patent number: 10802345
    Abstract: Disclosed is a horizontal alignment mode liquid crystal display device that can achieve higher definition and improved response speed. The liquid crystal display device includes, in the given order: a first substrate; a liquid crystal layer containing liquid crystal molecules; and a second substrate. The first substrate includes a first electrode, a second electrode positioned closer to the liquid crystal layer than the first electrode is, and an insulating film between the first and second electrodes. The second electrode is provided with an opening having a shape including a longitudinal-shaped portion and a pair of protrusions protruding to opposite sides from the longitudinal-shaped portion. The protrusions are provided at portions excluding both end portions in the longitudinal direction of the longitudinal-shaped portion and are located at corresponding positions.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 13, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Mitsuhiro Murata, Yosuke Iwata, Takuma Tomotoshi
  • Patent number: 10802347
    Abstract: According to one embodiment, a liquid crystal display includes a first substrate, a second substrate including an insulating substrate, a first color filter, a second color filter, a first light-shielding layer, a second light-shielding layer, a first spacer and a second spacer, and a sealing member surrounding the second spacer and including a filler, and the first spacer having a same height as that of the second spacer, being in contact with the first substrate, the filler being interposed between the second spacer and the first substrate, and a thickness from the inner surface of the insulating substrate to a bottom of the second spacer being less than a thickness from the inner surface of the insulating substrate to a bottom of the first spacer.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: October 13, 2020
    Assignee: Japan Display Inc.
    Inventor: Junko Nagasawa
  • Patent number: 10802367
    Abstract: Provided is a display device. The display device includes a data line extending in a first direction, a reflective electrode on the data line, and a transistor formed between the data line and the reflective electrode. The transistor includes a first electrode connected to the data line, a second electrode spaced apart from the first electrode in the first direction and connected to the reflective electrode, and a semiconductor layer connecting the first electrode and the second electrode.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: October 13, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Ji Hun Choi
  • Patent number: 10804329
    Abstract: A display device may include a first pixel including a first transistor, and a first light emitting element on and electrically connected to the first transistor, a second pixel adjacent the first pixel, the second pixel including a second transistor, and a second light emitting element on and electrically connected to the second transistor, and a reflective member at a layer that is above the first pixel and the second pixel, the reflective member being configured to reflect a light emitted from the second light emitting element to the first transistor.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: June Hwan Kim, Tae Young Kim, Hyo Jung Kim
  • Patent number: 10795203
    Abstract: A reflective liquid crystal display panel includes a first substrate, a second substrate, a first polarizer disposed on a side of the first substrate away from the second substrate, a second polarizer disposed on a side of the second substrate away from the first substrate, liquid crystals, a light guiding plate disposed on a side of the first polarizer away from the first substrate, and a side-entry backlight. The reflective liquid crystal display panel further includes a third polarizer laminated on a side of the light guiding plate away from the first polarizer, a composite layer having a mixture of liquid crystals and dichroic dyes, and a third substrate. The third polarizer has the same polarization direction as the first polarizer and a light absorption axis of the third polarizer is orthogonal to a light absorption axis of the composite layer in a display dark state.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 6, 2020
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Weipin Hu, Xibin Shao, Dan Wang, Xiao Sun
  • Patent number: 10795514
    Abstract: A display device with a touch detection function includes a first substrate including a plurality of gate lines, a plurality of data lines, a plurality of pixel electrodes, and a plurality of touch sensor electrodes; and a second substrate that is disposed opposite the first substrate. The first substrate is disposed on a touch operation side with respect to the second substrate, and a part of the plurality of touch sensor electrodes is disposed in a peripheral region located outside an image display region.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: October 6, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Kikuo Ono
  • Patent number: 10788720
    Abstract: According to one embodiment, a display device includes a display panel including a reflective layer, a liquid crystal element opposing the display panel and a controller that controls the liquid crystal element. The liquid crystal element includes a first substrate, a second substrate, a liquid crystal layer, a first control electrode, a second control electrode, a third control electrode, and a fourth control electrode. The controller applies a first voltage for forming a first lens of a first shape, to the first control electrode and the second control electrode, and a second voltage for forming a second lens of a second shape, to the third control electrode and the fourth control electrode. The first shape is different from the second shape.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: September 29, 2020
    Assignee: Japan Display Inc.
    Inventors: Tatsuya Yata, Takayuki Nakanishi, Takeo Koito
  • Patent number: 10788906
    Abstract: A manufacturing method of the flexible panel is provided. Firstly, a carrier substrate is provided. Then, an adhesion layer is formed on the carrier substrate, a flexible substrate is formed on the adhesion layer, and a buffer layer is formed on the flexible substrate. Then, a device layer is formed on the flexible substrate. Next, a separating process is performed for separating the flexible substrate and the device layer from the carrier substrate. According to a relation between a thermal expansion coefficient of the flexible substrate and a thermal expansion coefficient of the carrier substrate, the manufacturing method of the flexible panel selects a pattern of the adhesion layer. The pattern of the adhesion layer includes a frame adhesion structure or a plane adhesion structure.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 29, 2020
    Assignees: HannStar Display (Nanjing) Corporation, HANNSTAR DISPLAY CORPORATION
    Inventors: Yen-Chung Chen, Wei-Chih Hsu, Chen-Hao Su
  • Patent number: 10782558
    Abstract: A display device according to one aspect of the present invention includes a first substrate including at least a pixel electrode and a pixel switching circuit portion, a second substrate arranged to face the first substrate, a liquid crystal layer arranged between the first substrate and the second substrate, and configured to modulate light, the light being propagated while reflected between the first substrate and the second substrate, and a reflecting layer arranged over a liquid crystal layer side of the pixel switching circuit portion, partially superimposed with the pixel switching circuit portion, and electrically coupled with the pixel electrode, the reflecting layer having higher reflectance of the light than any members included in the pixel switching circuit portion.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: September 22, 2020
    Assignee: Japan Display Inc.
    Inventors: Manabu Mizuno, Kentaro Okuyama, Hiroshi Inamura, Hideki Kaneko, Hiroki Sugiyama
  • Patent number: 10782577
    Abstract: This application provides a display panel includes: a first substrate; a first conducting layer formed on the first substrate; a first passivation layer formed on the first conducting layer, and covering the first substrate; a second passivation layer formed on the first passivation layer; and a first electrode layer formed on the second passivation layer, and covering a part of the first conducting layer and the first passivation layer; a second substrate, disposed opposite to the first substrate; a liquid crystal layer, located between the first substrate and the second substrate; and a second electrode layer formed on the second substrate, where a conductive bridge hole is formed on a wire of the first conducting layer, and the first electrode layer is covered on the first conducting layer; and a voltage signal is transmitted to the first electrode layer and the second electrode layer through the conductive bridge hole.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: September 22, 2020
    Assignee: HKC Corporation Limited
    Inventor: Jianfeng Shan
  • Patent number: 10782552
    Abstract: A display panel includes, arranged as a stack, a color filter layer, a function layer, and a liquid crystal layer. The function layer has a top and a bottom opposite to each other. The color filter layer is arranged on the top, and the color filter layer includes a blue sub-pixel zone for transmission of blue light. The liquid crystal layer is arranged on the bottom. The bottom is provided with a protrusion structure, and the protrusion structure extends into the liquid crystal layer such that the protrusion structure divides the liquid crystal layer into a first area and a second area. The first area has a projection cast on the color filter layer and having an area covering the blue sub-pixel zone. A liquid crystal cell thickness of the first area is smaller than a liquid crystal cell thickness of the second area. Also provided is a display device.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 22, 2020
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lixuan Chen
  • Patent number: 10775676
    Abstract: A display device including: a substrate; a gate line disposed on the substrate to transmit a gate signal; a first reference voltage line spaced apart from the gate line to transmit a reference voltage; a second reference voltage line disposed on the gate line and the first reference voltage line and electrically connected to the first reference voltage line; an insulating layer disposed on the second reference voltage line; and a pixel electrode layer disposed on the insulating layer, wherein the pixel electrode layer includes a first pixel electrode having a first sub-pixel electrode disposed at a first side with respect to the gate line and a second sub-pixel electrode disposed at a second side opposite to the first side with respect to the gate line, and the second reference voltage line may overlap the first pixel electrode and may cross the first pixel electrode.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: September 15, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Kim, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
  • Patent number: 10775653
    Abstract: The disclosure discloses an array substrate, a liquid crystal panel, and a process of fabricating the array substrate. The array substrate includes an orientation film, an upper electrode, a lower electrode, and an intermediate electrode located between the upper electrode and the lower electrode, wherein the intermediate electrode is configured to have drive voltage applied thereto when there is zero relative voltage between the upper electrode and the lower electrode, so that an electric field is generated between the intermediate electrode and the lower electrode, and a direction of the electric field is parallel to an orientation direction of the orientation film.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 15, 2020
    Assignees: BOE Technology Group Co., Ltd., Chongqing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Yanli Zhao, Xiaoji Li, Zhi Zhang, He Sun, Xing Dong, Lijun Xiong, Tae Yup Min
  • Patent number: 10768474
    Abstract: A display panel includes an active device substrate, an opposite substrate, a liquid crystal layer, a color filter layer, and a first polarized pattern layer. The color filter layer includes a first filter pattern, a second filter pattern, and a third filter pattern. The first polarized pattern layer includes a first upper polarized pattern, a second upper polarized pattern, and a third upper polarized pattern. The first upper polarized pattern is disposed in correspondence to the first filter pattern and includes a plurality of metal wires arranged along a first direction. The second upper polarized pattern is disposed in correspondence to the second filter pattern and includes a plurality of metal wires arranged along a second direction. The third upper polarized pattern is disposed in correspondence to the third filter pattern and includes a plurality of metal wires arranged along a third direction.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: September 8, 2020
    Assignee: Au Optronics Corporation
    Inventors: Szu-Yen Lin, Yao-An Hsieh, Hsin-Chun Huang, Wen-Rei Guo
  • Patent number: 10768471
    Abstract: A liquid-crystal display device and a method of manufacturing a liquid-crystal display device. The liquid-crystal display device has a display area and a non-display area surrounding the display area defined therein, and the device includes: a first substrate; a second substrate disposed above the first substrate; and a liquid-crystal layer interposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a first wavelength band filter disposed on the first base substrate in the non-display area, and a second wavelength band filter disposed on the first base substrate in the display area.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Ki Kim, Jea Heon Ahn, Jang Il Kim, Jong Hoon Kim, Cheon Jae Maeng
  • Patent number: 10754212
    Abstract: A display may have pixels configured to display images. The pixels may be formed from thin-film transistor circuitry on a substrate. Color filter elements formed from colored polymer such as colored photoimageable polymer may be formed on the substrate. A black matrix formed from black photoimageable polymer may have an array of openings. The colored polymer may have first portions that overlap the black matrix and second portions in the openings that form the color filter elements. In some portions of the pixels, the thin-film transistor circuitry may be interposed between the first portions of the colored polymer and the black matrix. In other portions of the pixels, data lines may be formed that are overlapped by the black matrix and that are interposed between the first portions of the colored polymer and the black matrix.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: August 25, 2020
    Assignee: Apple Inc.
    Inventors: Byung Duk Yang, Hao-Lin Chiu, Kwang Soon Park, Kyung Wook Kim, Sai-Chang Liu, Shih Chang Chang
  • Patent number: 10739637
    Abstract: In a semi-transmission liquid crystal display device, two resist masks are required to form a reflective electrode and a transparent electrode; therefore, cost is high. A transparent electrode and a reflective electrode which function as a pixel electrode are stacked. A resist pattern which includes a region having a thick film thickness and a region having a thinner film thickness than the aforementioned region is formed over the reflective electrode by using a light exposure mask which includes a semi-transmission portion. The reflective electrode and the transparent electrode are formed by using the resist pattern. Therefore, the reflective electrode and the transparent electrode can be formed by using one resist mask.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: August 11, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10739594
    Abstract: A display device having an eyepiece is provided. The display device includes a display panel and an eyepiece. An image realized by the display panel may be provided to user through the eyepiece. An optical module may be disposed between the display panel and the eyepiece in order to increase a path of light. For example, the optical module may include a front quarter-wave plate, a half-mirror, a rear quarter-wave plate and a linear reflective polarizing plate, which are sequentially stacked. A positive C-plate may be disposed in the optical module. The light travelling toward the eyepiece from the display panel may pass through the positive C-plate. Thus, in the display device, the overall thickness may be reduced, and the viewing angle may be increased.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: August 11, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Woo Kim, Sung-Min Jung, Keong-Jin Lee
  • Patent number: 10733931
    Abstract: Disclosed in the present invention is a device comprising: a housing including a first surface facing a first direction and a second surface facing a second direction; a transparent cover formed on at least a portion of the first surface of the housing; a display disposed between the transparent cover and the second surface; a sensor disposed between the display and the second surface; and a control circuit, electrically connected to the sensor, for controlling the sensor, wherein the display can comprise: a first region including a plurality of pixels capable of displaying color; and a second region aligned on at least a portion of the sensor such that light acquired from the outside of the electronic device passes through the sensor. The present invention can have various examples.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Songhee Jung, Seungjun Hyun, Minsik Kim, Min-Sung Lee, Mooyoung Kim, Kihuk Lee
  • Patent number: 10732467
    Abstract: Provided is a reflective liquid crystal display device of an embodiment, including a plurality of pixel areas having a blue pixel area and a white pixel area adjacent to each other in a first direction, wherein the blue pixel area includes a first blue pixel part including a first pixel electrode and a first blue filter that overlaps the first pixel electrode, and a second blue pixel part including a second blue filter that does not overlap the first pixel electrode, wherein the white pixel area includes a first sub-white pixel part including a second pixel electrode and a third blue filter that overlaps the second pixel electrode, a second sub-white pixel part disposed between the second blue pixel part and the first sub-white pixel part and including the third blue filter, and a first white pixel part adjacent to the first sub-white pixel part and including the second pixel electrode and a first white filter that overlaps the second pixel electrode, which may improve the color sense for white light.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: August 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seunghyun Park, Junho Song
  • Patent number: 10725341
    Abstract: By increasing an interval between electrodes which drives liquid crystals, a gradient of an electric field applied between the electrodes can be controlled and an optimal electric field can be applied between the electrodes. The invention includes a first electrode formed over a substrate, an insulating film formed over the substrate and the first electrode, a thin film transistor including a semiconductor film in which a source, a channel region, and a drain are formed over the insulating film, a second electrode located over the semiconductor film and the first electrode and including first opening patterns, and liquid crystals provided over the second electrode.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: July 28, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura
  • Patent number: 10720708
    Abstract: An antenna device includes a first dielectric substrate, a first radiator disposed on the first dielectric substrate, a second dielectric substrate disposed on the first radiator, a second radiator disposed between the first dielectric substrate and the second dielectric substrate, a main radiator, disposed on the second dielectric substrate, and a modulation structure located between a first radiation portion of the first radiator and a second radiation portion of the second radiator. The first radiation portion, the modulation structure, and the second radiation portion are located in a central area.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: July 21, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Huei-Ying Chen, I-Yin Li, Chia-Chi Ho, Hsu-Kuan Hsu, Ker-Yih Kao, Chung-Kuang Wei, Chin-Lung Ting, Cheng-Chi Wang, Chien-Hsing Lee
  • Patent number: 10705368
    Abstract: A display panel and a manufacturing method thereof are provided. Each pixel of the display panel includes a transmission region and a reflection region, and the display panel includes a first polarizer, a first base substrate, a first alignment layer, a liquid crystal layer, a second alignment layer, a second base substrate, and a second polarizer. A reflection layer is provided between the second alignment layer and the second polarizer in the reflection region. The liquid crystal layer in the reflection region includes nematic liquid crystal and a polymer network. The liquid crystal layer in the transmission region includes a liquid crystal mixture including the nematic liquid crystal and polymerizable monomers. The polymer network in reflection region is formed by polymerizing the polymerizable monomers in the liquid crystal mixture.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: July 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., KENT STATE UNIVERSITY
    Inventors: Guangkui Qin, Dengke Yang, Xiaochen Zhou
  • Patent number: 10700101
    Abstract: A pixel of the display panel includes a first transistor, a second transistor, a first electrode pattern and a second electrode pattern. A first drain of the first transistor is electrically connected with the first electrode pattern. A second drain of the second transistor is electrically connected with the second electrode pattern. The first electrode pattern comprises a first connection portion and a first protrusion. The second electrode pattern comprises a second connection portion and two second protrusions. The second protrusions are respectively connected with two sides of the second connection portion and are extended towards the first connection portion. The first protrusion is connected with the first connection portion and is extended towards the second connection portion and to the location between the second protrusions. The width of the distal end of each of the first protrusion and the second protrusion is smaller.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: June 30, 2020
    Assignee: INNOLUX CORPORATION
    Inventors: Meng-Chang Hung, Li-Wei Sung, Chin-Cheng Chien
  • Patent number: 10690930
    Abstract: A Pancharatnam Berry Phase (PBP) color corrected structure is presented that comprises a plurality of switchable gratings and a plurality of PBP active elements. Each switchable grating has an inactive mode when reflects light of a specific color channel, of a set of color channels, and transmits light of other color channels in the set of color channels, wherein the specific color channel is different for each of the plurality of switchable gratings, and to have an active mode to transmit light that is inclusive of the set of color channels. The PBP active elements receive light output from at least one of the plurality of switchable gratings. Each of the PBP active elements is configured to adjust light of a different color channel of the set of color channels by a same amount to output light corrected for chromatic aberration for the set of color channels.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: June 23, 2020
    Assignee: Facebook Technologies, LLC
    Inventors: Lu Lu, Scott Charles McEldowney, Nada O'Brien, Pasi Saarikko
  • Patent number: 10684505
    Abstract: Provided is a tunable electro-optic filter including a reflective structure including a first reflective layer including a first pattern layer having a first meta-surface structure disposed on a first side of the liquid crystal layer and a second reflective layer including a second pattern layer having a second meta-surface structure disposed on a second side of the liquid crystal layer. Each of the first meta-surface structure and the second meta-surface structure includes multiple dielectric materials which are alternately stacked, and a thickness of each dielectric material gradually increases. Alternately, the tunable electro-optic filter may include a pattern layer having a meta-surface structure disposed on at least a side of the liquid crystal layer.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunghyun Nam, Seokho Yun, Jesada Ungnapatanin
  • Patent number: 10670911
    Abstract: The liquid crystal display panel includes: a first polarizing plate; a first ?/4 plate; a first substrate; a second ?/4 plate; a liquid crystal layer; a second substrate; and a second polarizing plate, wherein the first substrate includes a black matrix, and a photo spacer overlapping with the black matrix, d crystal molecules in the liquid crystal layer homogeneously align with no voltage application, the second ?/4 plate is made of a self-assembling photo alignment material containing a photo functional group capable of causing at least one chemical reaction selected from the group consisting of photodimerization, photoisomerization, and photo-Fries rearrangement, and covers a side surface of the photo spacer, and the in-plane stow axis of the first ?/4 plate forms an angle of 45° with the transmission axis of the first polarizing plate and is orthogonal to the in-plane slow axis of the second ?/4 plate.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: June 2, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kawahira, Akira Sakai, Kozo Nakamura, Masahiro Hasegawa, Takako Koide, Koji Murata, Kiyoshi Minoura
  • Patent number: 10665655
    Abstract: The present disclosure relates to a light emitting diode display device, and a light emitting diode display device according to an exemplary embodiment includes: a substrate; a semiconductor disposed on the substrate; a gate electrode disposed on the semiconductor; an interlayer insulating layer disposed on the substrate and the gate electrode; source and drain electrodes disposed on the interlayer insulating layer and connected to the semiconductor; a first slit provided in the interlayer insulating layer; and a first wire disposed on the interlayer insulating layer and configured to overlap the first slit.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Jae Moon, Dong Gyu Kim, Sun Park
  • Patent number: 10663787
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: May 26, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
  • Patent number: 10665183
    Abstract: The present disclosure provides a sub-pixel unit and a method of controlling the same, a pixel unit, an array substrate, and a display device. In one embodiment, a sub-pixel unit includes: at least two subpixels. Each of the at least two subpixels includes: a first electrode; a second electrode; and a liquid crystal layer controlled by a voltage between the first electrode and the second electrode; at least one of the first electrode and the second electrode is a slit electrode. The two subpixels have different initial twist angles, and the initial twist angle is an included angle between a direction of a slit of the slit electrode and a direction where major axes of liquid crystal molecules are oriented when the liquid crystal layer is in an unpowered state, in the respective subpixel.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: May 26, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Liangliang Jiang, Quan Gan
  • Patent number: 10656461
    Abstract: The present disclosure discloses a display substrate, a display panel and a display apparatus. The display substrate includes: a first substrate and light emitting structures. The first substrate is divided into a plurality of reflection zones and transmission zones alternatively defined. The light emitting structures are arranged on a first surface of the first substrate and corresponding to the transmission zones. The light emitting structures arranged on the first surface of the first substrate may provide a light source for the transmission zones such that the backlight may be omitted. Therefore, the thickness of the transflective crystal liquid display apparatus may be reduced. The liquid crystal display apparatus may be thinner. The power consumption may be also reduced and the durability may be improved.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: May 19, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xuanyun Wang
  • Patent number: 10649294
    Abstract: A display device includes a pixel electrode, a signal line, a pixel electrode, and a blocking portion. The signal line is configured to transmit a signal to the pixel electrode. The pixel electrode connecting line is disposed a predefined distance apart from the signal line and connected to the pixel electrode. The blocking portion is disposed between a connecting portion of the pixel electrode connected to the pixel electrode connecting line and the signal line to block an electric field between the connection portion and the signal line.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: May 12, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroto Akiyama, Shingo Kamitani
  • Patent number: 10620464
    Abstract: A display device includes a base film including a first region and a plurality of second regions having the first region therebetween; an inorganic insulating film on the base film, the inorganic insulating film being in contact with the plurality of second regions of the base film; a plurality of first pixels overlapping the first region; and a plurality of second pixels overlapping the plurality of second regions with the inorganic insulating film being between the plurality of second pixels and the plurality of second regions. The inorganic insulating film is divided by the first region and is discontinuous between the plurality of second regions.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: April 14, 2020
    Assignee: Japan Display Inc.
    Inventor: Ikuo Matsunaga
  • Patent number: 10613344
    Abstract: Embodiments of the present application provide a 3D display apparatus and a method for driving the same. The apparatus includes: a backlight assembly forming bright stripes and dark stripes arranged alternately; a liquid crystal display panel displaying a left eye image of a 3D display signal by a first set of pixel units and display a right eye image by a second set of pixel units; a location tracking unit acquiring a location of a viewer; and a control unit adjusting position of the bright and dark stripes and deflection of liquid crystal of the liquid crystal display panel such that a light emitted from the bright stripes is allowed to pass through corresponding first set to be received by left eye and to pass through corresponding second set to be received by right eye respectively. Embodiments are used in manufacturing of a 3D display apparatus.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: April 7, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Pengcheng Lu, Xiaochuan Chen, Ming Yang, Wenqing Zhao, Lei Wang, Qian Wang, Rui Xu, Jian Gao, Xiaochen Niu, Haisheng Wang, Shengji Yang, Chengfeng Li
  • Patent number: 10606120
    Abstract: A display device includes: a liquid crystal layer disposed between a first substrate and a second substrate; a color conversion layer disposed between the first substrate and the second substrate and including a first light emitter configured to absorb first color light outputted from a light source and to emit second color light that is different from the first color light; a pixel electrode overlapping a display area; a first transistor connected to the pixel electrode; a driving circuit including a second transistor and providing a driving signal to the first transistor; a light blocking member disposed on the first substrate and overlapping the first transistor; and an polarizing layer disposed between the liquid crystal layer and the color conversion layer and including a wire grid pattern overlapping the display area and a reflection pattern extending from the wire grid pattern to overlap the non-display area.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Keunwoo Park, Taejin Kong, Yeogeon Yoon, Hee-keun Lee
  • Patent number: 10606130
    Abstract: A liquid crystal display is provided. The liquid crystal display includes a first display substrate, a second display substrate which faces the first display substrate, and a liquid crystal layer which is disposed between the first display substrate and the second display substrate. The first display substrate comprises a first base substrate, a reflective electrode which is disposed on the first base substrate, and a pixel electrode which is disposed on the reflective electrode.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: March 31, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Tae Chae, Sung Jin Kim, Don Chan Cho
  • Patent number: 10545369
    Abstract: A display device includes a liquid crystal display panel including a first substrate, a second substrate facing the first substrate and including a reflective layer, and a liquid crystal layer disposed between the first and second substrates, a light control member disposed on the liquid crystal display panel and including a first optical part, and a polarizing member disposed on the light control member and including a polarizer. The liquid crystal layer includes a first liquid crystal molecule adjacent to the first substrate, and a long axis of the first liquid crystal molecule projected on the first substrate is aligned in a first direction. An extending direction of a long axis of the first optical part projected on the first substrate is parallel to the first direction, and the polarizer has a transmission axis extending in a second direction.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: January 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seunghyun Park, Junho Song
  • Patent number: 10545365
    Abstract: Disclosed is a display device that includes a display area having an appearance of a specific color in a non-driving state or displaying a specific screen by using PDLC to improve esthetic appearance as in a home appliance. The display device comprises a reflective dispersed layer arranged on a display panel, wherein the reflective dispersed layer includes a PDLC layer between a first substrate and a second substrate, and a transflective layer arranged between the PDLC layer and the second substrate to transmit light externally emitted from the display panel and reflect externally incident light.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: January 28, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JinYeong Kim, DongHoon Lee, JinWoo Park, Bogyun Chung
  • Patent number: 10539843
    Abstract: According to one embodiment, a display device includes a driver, a pixel circuit disposed to be apart from the driver in a plan view and to be electrically connected to the driver, a first pixel electrode disposed to overlap the pixel circuit in a plan view and to be electrically connected to the pixel circuit, a second pixel electrode disposed to overlap the driver in a plan view and to be closer to an outer edge of a display area than the first pixel electrode, and a relay line disposed between the pixel circuit and the first pixel electrode and between the driver and the second pixel electrode, the relay line electrically connecting the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: January 21, 2020
    Assignee: Japan Display Inc.
    Inventor: Masaya Tamaki
  • Patent number: 10520654
    Abstract: An ultra-thin broadband retardation film is provided. The broadband retardation film includes a first retardation film and a second retardation film. The second retardation film is disposed on a side of the first retardation film, wherein an in-plane retardation value Ro of the first retardation film is between 70 nm and 130 nm, an in-plane retardation value Ro of the second retardation film is between 140 nm and 260 nm, and an angle between an optic axis of the first retardation film and an optic axis of the second retardation film is between 35° and 70°.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 31, 2019
    Assignee: imat corporation
    Inventors: Tsai-An Yu, Da-Ren Chiou, Shih-Ming Hung, Peng-Shun Tsai, Yi-Ting Chiu, Kuo-Chen Wu, Yi-Chien Chen
  • Patent number: 10509146
    Abstract: A substrate and manufacturing method therefor, a display panel, and a display device. The substrate comprises a substrate base; and a first organic film and a second organic film which are located on the substrate base, wherein the first organic film and second organic film are used as a flat layer, and the refractive index of the first organic film is different from that of the second organic film. The first organic film and the second organic film are constructed such that after incident light obliquely incident on the substrate passes through the first organic film and the second organic film, emergent light of the incident light is deflected to the direction away from the substrate.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: December 17, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventor: Yuanhui Guo
  • Patent number: 10509271
    Abstract: By increasing an interval between electrodes which drives liquid crystals, a gradient of an electric field applied between the electrodes can be controlled and an optimal electric field can be applied between the electrodes. The invention includes a first electrode formed over a substrate, an insulating film formed over the substrate and the first electrode, a thin film transistor including a semiconductor film in which a source, a channel region, and a drain are formed over the insulating film, a second electrode located over the semiconductor film and the first electrode and including first opening patterns, and liquid crystals provided over the second electrode.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: December 17, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Hajime Kimura