Patents Examined by Ryan Crockett
-
Patent number: 11163198Abstract: A pixel structure includes a switch element on a substrate, a first electrode, and a second electrode. The first electrode includes first to third trunk portions and first to fourth branch portions. The third trunk portion is located between the first and second trunk portions. The first branch portions are connected to the first trunk portion. The second and third branch portions are connected to the third trunk portion. The fourth branch portions are connected to the second trunk portion. The second electrode includes fourth and fifth trunk portions and the fifth to eighth branch portions. The fourth trunk portion overlaps a gap between the first and second branch portions. The fifth trunk portion overlaps a gap between the third and fourth branch portions. The fifth and sixth branch portions are connected to the fourth trunk portion. The seventh and eighth branch portions are connected to the fifth trunk portion.Type: GrantFiled: May 21, 2020Date of Patent: November 2, 2021Assignee: Au Optronics CorporationInventors: Wei-Ming Cheng, Min-Hsuan Chiu, Chien-Hsien Wu, Syuan-Ling Yang, Seok-Lyul Lee
-
Patent number: 11163199Abstract: According to an aspect, a liquid-crystal display device includes a first substrate, a second substrate, and a liquid-crystal layer. The first substrate includes a first electrode and a second electrode, and one of the first electrode and the second electrode is a pixel electrode provide, the first electrode includes an electrode base portion extending in a first direction and comb tooth portions extending in a second direction and protruding in a comb teeth shape from the electrode base portion with a predetermined distance interposed therebetween, and adjacent comb tooth portions include adjacent comb tooth portions having a relation in which a first long side of one comb tooth portion closest to a boundary between pixels is not parallel to a first long side of the other comb tooth portion.Type: GrantFiled: June 18, 2020Date of Patent: November 2, 2021Assignee: Japan Display Inc.Inventor: Toshiharu Matsushima
-
Patent number: 11137639Abstract: The invention relates to a switchable optical device (10) having a layer structure comprising at least one switchable layer (15) and at least one optical layer (20, 22). The at least one switchable layer (15) comprises a liquid-crystalline material and at least one dye. The at least one optical layer (20, 22) has at least one reflection band (32) which includes at least a first part of the visible spectrum and has at least one transmission band (30, 34) which includes at least a second part of the visible spectrum. The absorption spectrum of the at least one switchable layer (15) is adjusted by means of the at least one dye such that the light transmission through the switchable optical device (10) for incident light in the visible light spectrum for at least one of the states of the switchable layer (15) is set to a predetermined transmission spectrum.Type: GrantFiled: May 8, 2018Date of Patent: October 5, 2021Assignee: MERCK PATENT GMBHInventors: Ties De Jong, Casper Van Oosten
-
Patent number: 11131886Abstract: Provided is a horizontal electric field mode liquid crystal display device in which light leak and tint change at the time of black display are reduced in case of being seen from an oblique direction. The liquid crystal display device is an IPS mode liquid crystal display device including at least a first polarizer, a first optical compensation layer, a liquid crystal cell, and a second polarizer in this order, in which the first optical compensation layer satisfies a predetermined relational expression, a total thickness-direction retardation Rth total(550) present between the liquid crystal layer and the second polarizer in the liquid crystal cell satisfies a predetermined relational expression, and a slow axis of the first optical compensation layer is parallel to an absorption axis of a polarizer layer.Type: GrantFiled: December 10, 2020Date of Patent: September 28, 2021Assignee: FUJIFILM CorporationInventors: Tatsuya Iwasaki, Katsufumi Ohmuro
-
Patent number: 11131888Abstract: In a display panel, all of a plurality of directors of liquid crystal composition composing the liquid crystal layer are essentially perpendicular to the first alignment film and the second alignment film in the absence of applied voltage. A liquid crystal layer included in each of a plurality of unit pixels arranged in a matrix along a row direction and along a column direction has a single alignment state. A director of liquid crystal composition located at a central portion in a first unit pixel that is one of the plurality of unit pixels is in an opposite orientation with respect to a director of liquid crystal composition located at a central portion in a second unit pixel that is in a same row or a same column as the first unit pixel.Type: GrantFiled: May 22, 2017Date of Patent: September 28, 2021Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Atsuko Maeda, Shintaro Yamada, Katsumi Kondo, Hideki Nakagawa, Toshihiro Yamashita
-
Patent number: 11131897Abstract: A liquid crystal cell and a manufacturing method thereof and a use thereof are provided in the present disclosure. The liquid crystal cell is in a normally transparent mode, and has excellent transmittance-variable characteristics in a transparent mode and a scattering mode and excellent haze characteristics in the scattering mode. Such liquid crystal cell may be applied to various light modulation devices, such as a smart window, a window protective film, a flexible display element, a light shielding plate for transparent displays, an active retarder for 3D image displays or a viewing angle control film.Type: GrantFiled: December 20, 2018Date of Patent: September 28, 2021Inventors: Deok Hwan Kim, Yeon Keun Lee, Jung Doo Kim, Jun Haeng Lee
-
Patent number: 11126039Abstract: An electro-optical device includes a substrate that is light-transmissive, a pixel electrode that is light-transmissive, a switching element electrically coupled to the pixel electrode, and a light-shielding layer in contact with the substrate and overlapping, in a plan view from a thickness direction of the substrate, with the switching element, wherein the light-shielding layer includes a first portion and a second portion, the second portion having a thickness thicker than a thickness of the first portion. In addition, the substrate is preferably provided with a recessed portion in which the light-shielding layer is disposed, the recessed portion opening to the switching element side.Type: GrantFiled: October 9, 2020Date of Patent: September 21, 2021Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
-
Patent number: 11126055Abstract: An apparatus comprising a liquid crystal material and a controller are described herein. The liquid crystal material is disposed between a first electrode and a second electrode opposite the first electrode. Molecules of the liquid crystal material assume a first orientation during a first state of the liquid crystal material and a second orientation during a second state of the liquid crystal material. The first orientation is different from the second orientation. The controller is coupled to the first electrode and the second electrode to perform operations. The operations include applying a first periodic waveform to the first electrode and a second periodic waveform to the second electrode to generate a drive waveform applied across the liquid crystal material. The operations further include changing a duty cycle of the drive waveform over a first time period to transition the liquid crystal material between the first state and the second state.Type: GrantFiled: July 8, 2019Date of Patent: September 21, 2021Assignee: Verily Life Sciences LLCInventors: Dmytro Reznikov, Shungneng Lee, Joshua Haddock
-
Patent number: 11119362Abstract: This application discloses a display panel manufacturing process and a display panel. The manufacturing process includes: forming a common line, a common electrode and a transparent electrode layer, the transparent electrode layer being in communication with the common line; and arranging an Au ball on the transparent electrode layer, and enabling the Au ball to communicate the transparent electrodes layer with the common electrode.Type: GrantFiled: November 13, 2018Date of Patent: September 14, 2021Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Chuan Wu
-
Patent number: 11119355Abstract: An electro-optical device includes a transmission polarization axis conversion unit having a first surface and a second surface, an absorption polarization unit having transmission polarization axis in a first direction and having absorption polarization axis in a second direction, and a reflective polarization unit including a region having a transmission polarization axis in the first direction and a reflective polarization axis in the second direction, and an opening. The transmission polarization axis conversion unit can switch a first/second state, the first state is an incident light entering the first surface from the absorption polarization unit is converted into a first outgoing light of linearly polarized light in the second direction, and the first outgoing light is emitted from the second surface, the second state is the incident light converted into a second outgoing light of linearly polarized light in the first direction and emitted from the second surface.Type: GrantFiled: October 16, 2020Date of Patent: September 14, 2021Assignee: Japan Display Inc.Inventor: Masaya Adachi
-
Patent number: 11119363Abstract: This application discloses a display panel, a manufacturing method therefor, and a display device. The display panel is divided into an active area and a non-active area, and includes: a first substrate, a second substrate, a sealant arranged between the first substrate and the second substrate, and an alignment layer arranged on the second substrate. The non-active area of the second substrate is provided with a retaining wall structure, and the retaining wall structure is arranged between the alignment layer and the sealant. The retaining wall structure includes a trunk and a plurality of branches, where the plurality of branches are arranged at least on a side of the trunk close to the alignment layer or the sealant, and the plurality of branches are respectively away from the trunk and extend toward the alignment layer or the sealant.Type: GrantFiled: December 12, 2018Date of Patent: September 14, 2021Assignee: HKC CORPORATION LIMITEDInventor: Chuan Wu
-
Patent number: 11099426Abstract: The present disclosure discloses a backlight module and a manufacturing method thereof. The backlight module includes: a light guide plate, a reflection structure arranged on one side of the light guide plate and a diffusion structure arranged on the other side of the light guide plate; the reflection structure being switchable between a reflection state that reflects light and a transmission state that transmits light; the diffusion structure being switchable between a scattering state that scatters light and a transmission state that transmits light. The present disclosure also relates to a display device comprising the backlight module.Type: GrantFiled: March 27, 2019Date of Patent: August 24, 2021Assignee: BOE Technology Group Co., Ltd.Inventors: Wenbo Li, Chunyan Ji
-
Patent number: 11099447Abstract: A switchable privacy display apparatus comprises a spatial light modulator, a light control film, and a polar control retarder that comprises plural retarders arranged between a display polariser of the spatial light modulator and an additional polariser. The display achieves high image visibility to an off-axis user in a public mode of operation and high image security to an off-axis snooper in privacy mode of operation.Type: GrantFiled: July 31, 2020Date of Patent: August 24, 2021Assignee: RealD Spark, LLCInventors: Graham J. Woodgate, Michael G. Robinson, Jonathan Harrold, Robert A Ramsey, Ben Ihas
-
Patent number: 11099442Abstract: A display device includes: a signal supply portion; a substrate having an extended outer shape portion, the substrate including a first region and a second region that has the extended outer shape portion; a first pixel wire connected to a first pixel in the first region in a display region and the signal supply portion; a second pixel wire connected to a second pixel in the second region in the display region; a relay wire disposed in the first region in the display region; a signal-supply-portion-side lead wire connected to the signal supply portion and an end portion of the relay wire, the end portion being at the signal supply portion side; and an opposite-side lead wire connected to end portions of the relay wire and the second pixel wire, the end portions being at an opposite side to the signal supply portion side.Type: GrantFiled: June 26, 2020Date of Patent: August 24, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Yoshida, Masakatsu Tominaga
-
Patent number: 11093011Abstract: A display device including a lower substrate having a display area and a pad area, a display structure disposed in the display area of the lower substrate, pad electrodes disposed in the pad area of the lower substrate and spaced apart in a first direction, and a conductive film package including a base substrate disposed on the pad electrodes, and including a corner portion having a curved shape, bump electrodes disposed in a first portion of a bottom surface of the base substrate and overlapping the pad electrodes, metal patterns disposed in second portions of the bottom surface of the base substrate positioned at both sides of the first portion, a first film layer disposed between the base substrate and the lower substrate and overlapping the pad electrodes, a part of the bump electrodes, and the metal patterns, and conductive balls disposed inside the first film layer.Type: GrantFiled: April 23, 2020Date of Patent: August 17, 2021Assignee: Samsung Display Co., Ltd.Inventors: Chung-Seok Lee, Hayoung Choi
-
Patent number: 11094229Abstract: A liquid crystal panel and a liquid crystal display are disclosed. The panel includes an array substrate, a filter substrate, and a liquid crystal layer. The filter substrate includes a filter sheet. The liquid crystal panel is partitioned into a transparent section and a color section, and the filter sheet includes a transparent photoresist corresponding to the transparent section, and a color photoresist corresponding to the color section. An exhibition device for showcasing products is also disclosed. The exhibition device includes a showcase, a lamp inside the showcase, and at least an above-described liquid crystal display and panel framed in one of the showcase's side wall. The lamp provides illumination to the transparent section and the showcased products may be viewed through the transparent section. The transparent section may also show static messages describing the showcased products. The color section presents dynamic messages demonstrating the showcased products.Type: GrantFiled: March 3, 2018Date of Patent: August 17, 2021Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Chunchi Chen, Yuchun Hsiao
-
Patent number: 11086162Abstract: A display panel and a display device are provided in an embodiment of the present disclosure. The display panel includes a first substrate and a second substrate that are disposed opposite each other. A liquid crystal layer is disposed between the first substrate and the second substrate and the liquid crystal layer is doped with a chiral agent. In the present disclosure, the liquid crystal layer of the display panel is doped with a chiral agent and a helical twisting force generated by the chiral agent is used to drive liquid crystal molecules around a pixel to rotate, which can reduce a dark region around the pixel and increase transmittance of the display panel.Type: GrantFiled: May 21, 2020Date of Patent: August 10, 2021Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Xingwu Chen
-
Patent number: 11086163Abstract: A reflective liquid crystal display includes an array substrate. The reflective liquid crystal display includes a plurality of raised reflective electrodes disposed on the array substrate. The reflective liquid crystal display includes a color film substrate. The reflective liquid crystal display includes a plurality of raised electrodes are provided on the color film substrate. The array substrate and the color film substrate are disposed opposite to each other such that the raised reflective electrodes and the raised electrodes face each other.Type: GrantFiled: April 25, 2018Date of Patent: August 10, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xiaojuan Wu, Chuncheng Che, Yingli Liu
-
Patent number: 11073734Abstract: An array substrate includes: a base substrate, a gate line extending in a first direction, a data line extending in a second direction, and a pixel electrode layer, the first direction being substantially perpendicular to the second direction, the gate line and the data line defining a plurality of sub-pixel units, and a plurality of first and second common electrode lines electrically connected to each other and disposed in the same layer as the gate lines. The first common electrode line includes two first common electrode line first portions, and the second common electrode line extends in the second direction. The second common electrode line is located between and electrically connects the two first common electrode line first portions. The second common electrode line is located at a center line of the sub-pixel unit.Type: GrantFiled: June 4, 2020Date of Patent: July 27, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhicai Xu, Ruilin Bi, Jiandong Guo, Zhulin Liu, Shouqiang Zhang, Kui Zhang
-
Patent number: 11073710Abstract: Provided is a display apparatus including a bezel that is improved to prevent electrostatic discharge (ESD). The display apparatus includes a display panel on which an image is to be displayed, a chassis arranged at a rear side of the display panel and including a conductive material, a bezel configured to support the display panel and including a non-conductive material, and an adhesive including a conductive material and coated on an inner side surface of the bezel such that static electricity is guided away from being discharged toward an inside of the display apparatus.Type: GrantFiled: May 2, 2019Date of Patent: July 27, 2021Assignee: SAMSUNG ELECTRONICS CO., LTDInventors: Kyoung Hwan Kim, Do Wan Kim, Myeong Gil Kim, Min Chul Kim, Boum Sik Kim, Tae Youn Yoon, Sang Min Lee, Hyun Jun Jung, Hye Ryung Hwang