Patents Examined by Phu Vu
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Patent number: 11604373Abstract: The invention relates to an electrically controllable viewing angle switch device and a display apparatus. The switch device includes a first substrate, a second substrate, a liquid crystal layer, spacers, a first alignment film, a second alignment film, a first polarizer, and a second polarizer and has a light transmission region. The second substrate is disposed opposite to the first substrate. The liquid crystal layer and the spacers are located between the first substrate and the second substrate in the light transmission region. The spacers are fixed on the first or second substrate. The first polarizer and the second polarizer are disposed on opposite sides of the liquid crystal layer. The axial directions of the transmission axis of the first polarizer and the transmission axis of the second polarizer are parallel or perpendicular to the alignment direction of the first alignment film and the second alignment film.Type: GrantFiled: April 21, 2021Date of Patent: March 14, 2023Assignee: Coretronic CorporationInventors: Yang-Ching Lin, Chung-Yang Fang, Ping-Yen Chen
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Patent number: 11579489Abstract: A display apparatus includes a liquid crystal panel, a light source configured to provide light to the liquid crystal panel, and an optical member disposed between the liquid crystal panel and the light source. The optical member includes a diffuser sheet that is configured to diffuse the light from the light source, and a deformation preventing layer including a first material having a lower expansion or contraction rate than the diffuser sheet.Type: GrantFiled: March 11, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Naewon Jang, Daeyoung Kim, Byoungjin Cho, Kilhong Lee
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Patent number: 11579484Abstract: The present specification relates to a film for compensating for a viewing angle, which comprises a base substrate; a pattern layer; and an optical layer, and in which the pattern layer has a first surface comprising a flat surface and a second surface facing the first surface, and the second surface comprises a plurality of protrusions comprising a curved surface, thereby improving a contrast ratio and a viewing angle and decreasing a color band phenomenon, and a polarizing plate comprising the same, and a display device comprising the same.Type: GrantFiled: January 21, 2020Date of Patent: February 14, 2023Inventors: Sunghak Bae, Sangcholl Han, Byung Mook Kim, Dae Hee Lee, Youngjin Kim
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Patent number: 11573464Abstract: In a display device having high reliability, even if being a narrow framing type, and a method for manufacturing thereof, having a display panel, being made up with a first substrate 101 and a second substrate 201, which are adhered with using a seal 301, a main SOC 302 is disposed like a wall, on a peripheral end portion of the first substrate 101 and the second substrate 201, and the seal 301 is disposed inwardly of the main SOC 302. Also, in a method for manufacturing thereof, the main SOC 302 is formed in a region including a cutting plane between the display panel regions neighboring with, and on the cutting plane is made the cutting thereof.Type: GrantFiled: April 12, 2022Date of Patent: February 7, 2023Assignee: Japan Display Inc.Inventor: Eisuke Hatakeyama
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Patent number: 11573442Abstract: The present disclosure relates to a module structure of a liquid crystal display, the module structure includes a panel glass assembly, a backlight assembly and a display housing retaining wall; an accommodating space formed by the display housing retaining wall accommodates the panel glass assembly and the backlight assembly; the panel glass assembly includes a front glass sheet, a rear glass sheet and a sealant for sealing a liquid crystal accommodating space between the front glass sheet and the rear glass sheet. The module structure is characterized in that, a filling gap is provided between outer peripheral surfaces of the front glass sheet and the rear glass sheet of the panel glass assembly and an inner peripheral surface of the display housing retaining wall facing the outer peripheral surfaces; and a panel edge protective adhesive is filled in the filling gap. The present disclosure also relates to a manufacturing process of the module structure.Type: GrantFiled: July 9, 2021Date of Patent: February 7, 2023Assignee: Schneider Electric Industries SASInventors: Weihe Fei, Zhaocai Wang
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Patent number: 11573457Abstract: The present disclosure relates to an array substrate comprising a substrate body provided, on a perimeter edge thereof, with a sealant coating region to be coated with a sealant, and the sealant coating region comprises a first region provided with a metal trace structure, and further comprises a region provided with a metal structure, a difference between an area of the metal structure and that of the metal trace structure being smaller than a threshold.Type: GrantFiled: February 27, 2020Date of Patent: February 7, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunping Long, Hui Li
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Patent number: 11561426Abstract: The present application provides an optical film. By controlling transmittance of a liquid crystal layer comprising a radical initiator for the maximum absorption wavelength of the radical initiator, the present application can provide an optical film having a liquid crystal layer having excellent resistance to external stimuli and excellent optical properties. Such an optical film can have various forms and can be used in various fields.Type: GrantFiled: July 26, 2019Date of Patent: January 24, 2023Assignee: LG CHEM, LTD.Inventors: Jae Hong Park, Hyung Il Yang, Kee Young Lee, Keon Woo Kim, Sang Jo Bae, Woo Yong Cho, Sung Yoon Lee, Kyung Gu Lee
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Patent number: 11556029Abstract: According to one embodiment, a display device includes a display panel including a first substrate including a first transparent substrate having a first main surface, a first opposite and a side surface, a second substrate including a second transparent substrate having a second main surface and a second opposite surface, and a liquid crystal layer located between the first substrate and the second substrate, a light emitting element opposed to the side surface, a third transparent substrate, and a transparent layer located between the display panel and the third transparent substrate and having a second refractive index that is lower than a first refractive index.Type: GrantFiled: March 23, 2022Date of Patent: January 17, 2023Assignee: Japan Display Inc.Inventor: Yudai Numata
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Patent number: 11550184Abstract: The polarizing plate laminate according to an exemplary embodiment of the present disclosure includes: a polarizer; an adhesive agent layer or a bonding agent layer provided on the polarizer; a viewing angle compensation film provided on the adhesive agent layer or the bonding agent layer; and a base film provided on the viewing angle compensation film.Type: GrantFiled: August 20, 2020Date of Patent: January 10, 2023Assignee: LG Chem, Ltd.Inventors: Youngjin Kim, Kyun Do Park, Do Hyun Kim, Dae Hee Lee, Sunghak Bae, Han Min Seo
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Patent number: 11550096Abstract: A transparent display module and a display device are provided. The transparent display module includes a first transparent substrate and a second transparent substrate that are arranged opposite to each other, a transparent display panel and a light source. The transparent display panel is arranged between the first transparent substrate and the second transparent substrate. The light guide plate is arranged between the transparent display panel and the second transparent substrate. The light source is arranged between the transparent display panel and the second transparent substrate, and the light source is located on the side of the light guide plate.Type: GrantFiled: July 13, 2020Date of Patent: January 10, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Shouyang Leng, Rui Han, Zeyuan Tong, Qing Ma, Dong Cui, Zhipeng Zhang, Bin Long, Wenyang Li, Zan Zhang, Yue Zhai, Dong Guan, Weining Chi, Fengping Wang
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Patent number: 11543718Abstract: To suppress a variation in characteristics of a transistor due to a released gas from an organic insulating film so that reliability of a display device is increased. The display device includes a transistor, an organic insulating film which is provided over the transistor in order to reduce unevenness due to the transistor, and a capacitor over the organic insulating film. An entire surface of the organic insulating film is not covered with components (a transparent conductive layer and an inorganic insulating film) of the capacitor, and a released gas from the organic insulating film can be released to the outside from exposed part of an upper surface of the organic insulating film.Type: GrantFiled: January 21, 2022Date of Patent: January 3, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Masatoshi Yokoyama, Shigeki Komori, Manabu Sato, Kenichi Okazaki, Shunpei Yamazaki
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Patent number: 11543581Abstract: A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side.Type: GrantFiled: March 28, 2022Date of Patent: January 3, 2023Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Eiji Oohira
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Patent number: 11543690Abstract: A display device is disclosed. The display device includes a display panel, a frame located at the rear of the display panel, an optical plate located between the frame and the display panel, a guide panel coupled to the frame, the guide panel being configured to support the optical plate, the guide panel being configured to provide a space between the optical plate and the frame, and a light source and a substrate configured to provide light to the optical plate in the space, wherein the display panel includes an active area configured to display an image and an inactive area configured not to display an image, the display panel is coupled to the optical plate via a first adhesive member, and the optical plate is fixed to the guide panel via a second adhesive member.Type: GrantFiled: October 23, 2020Date of Patent: January 3, 2023Assignee: LG ELECTRONICS INC.Inventors: Sangmin Baek, Kitae Keum, Juyoung Joung
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Patent number: 11543701Abstract: The present application relates to a lightness adjusting method for a display system. The method includes the steps of: writing a first driving signal into a display panel; controlling a first lens and a backlight module to be turned on simultaneously, where a plurality of light-emitting elements of the backlight module are turned on simultaneously, and the first lens and the plurality of light-emitting elements of the backlight module are turned on simultaneously; adjusting a first turn-on time of each light-emitting element; controlling a second lens and the backlight module to be turned on simultaneously, where the plurality of light-emitting elements of the backlight module are turned on simultaneously, and the second lens and the plurality of light-emitting elements of the backlight module are turned on simultaneously; and adjusting a second turn-on time of each light-emitting element.Type: GrantFiled: December 20, 2018Date of Patent: January 3, 2023Assignee: HKC CORPORATION LIMITEDInventor: Chih Tsung Kang
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Patent number: 11543726Abstract: According to one embodiment, a display device including an insulating substrate, an organic film on the insulating substrate, and a switching element located between the insulating substrate and the organic film and including a semiconductor layer, a source electrode, and a drain electrode, the organic film including a first removed portion at a position overlapping the semiconductor layer between the source electrode and the drain electrode of the switching element.Type: GrantFiled: July 31, 2020Date of Patent: January 3, 2023Assignee: Japan Display Inc.Inventor: Yuki Yokotani
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Patent number: 11536885Abstract: According to one embodiment, a display device includes a display panel configured to emit display light of linearly polarized light, a first semi-transparent element transmitting first circularly polarized light and reflecting second circularly polarized light, a first retardation film, a second semi-transparent element reflecting the first circularly polarized light and transmitting the second circularly polarized light, a second retardation film having a refractive anisotropy in which refractive indexes of directions orthogonal to each other in a plane are substantially equivalent to each other and a refractive index in a normal is different from a refractive index in a plane, and a first element having a lens action of condensing the second circularly polarized light.Type: GrantFiled: October 11, 2021Date of Patent: December 27, 2022Assignee: Japan Display Inc.Inventors: Shinichi Komura, Junji Kobashi, Koichi Okuda, Ken Onoda, Hiroaki Kijima
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Patent number: 11536996Abstract: A display device is provided. The display device has a display side and includes: a first substrate and a second substrate. The first substrate has a first surface and a second surface, wherein the first surface is closer to the display side than the second surface. The second substrate is disposed opposite the first substrate. The second surface is located between the first surface and the second substrate, and the area of the first substrate is greater than the area of the second substrate in a top view direction. The first substrate has a side surface, and the side surface includes a chamfered structure.Type: GrantFiled: September 15, 2020Date of Patent: December 27, 2022Assignee: INNOLUX CORPORATIONInventors: Cheng-Hsia Kuo, Chia-Wei Yen
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Patent number: 11531149Abstract: An optical (1a) includes a light-absorbing layer (10). The light-absorbing layer absorbs light in at least a portion of the near-infrared region. When light with a wavelength of 300 to 1200 nm is incident on the optical filter (1a) at an incident angle of 0°, the optical filter (1a) satisfies given spectral transmittance requirements. When an average of absolute values of differences each between a value of a normalized spectral transmittance for an incident angle x° and a value of a normalized spectral transmittance for an incident angle y° in the wavelength range of W nm to V nm (W<V) is expressed as ?TSx/yW-V, the optical filter (1a) satisfies requirements ?TS0/40380-530?3%, ?TS0/40450-650?3%, and ?TS0/40530-750?3%.Type: GrantFiled: December 5, 2018Date of Patent: December 20, 2022Assignee: Nippon Sheet Glass Company, LimitedInventors: Tomitaka Takagi, Katsuhide Shimmo
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Patent number: 11527208Abstract: It is an object to decrease the number of transistors connected to a capacitor. In a structure, a capacitor and one transistor are included, one electrode of the capacitor is connected to a wiring, and the other electrode of the capacitor is connected to a gate of the transistor. Since a clock signal is input to the wiring, the clock signal is input to the gate of the transistor through the capacitor. Then, on/off of the transistor is controlled by a signal which synchronizes with the clock signal, so that a period when the transistor is on and a period when the transistor is off are repeated. In this manner, deterioration of the transistor can be suppressed.Type: GrantFiled: February 7, 2022Date of Patent: December 13, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Atsushi Umezaki
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Patent number: 11526059Abstract: An array substrate and a liquid crystal display panel are provided. The array substrate includes data lines, scanning lines, common electrode lines, and pixels. Wherein, first areas corresponding to and adjacent to the data lines, second areas corresponding to and adjacent to the scanning lines, third areas corresponding to the common electrode lines, and fourth areas between adjacent rows of the pixels are provided with shield electrodes, and a disposition density of the shield electrodes corresponding to first sub-pixels is less than a disposition density of the shield electrodes corresponding to third sub-pixels. The present disclosure reduces dark-state light leakage phenomenon.Type: GrantFiled: December 20, 2019Date of Patent: December 13, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Wu Cao