Patents Examined by Alexander P Gross
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Patent number: 10424674Abstract: To provide a liquid crystal display device suitable for a thin film transistor which uses an oxide semiconductor. In a liquid crystal display device which includes a thin film transistor including an oxide semiconductor layer, a film having a function of attenuating the intensity of transmitting visible light is used as an interlayer film which covers at least the oxide semiconductor layer. As the film having a function of attenuating the intensity of transmitting visible light, a coloring layer can be used and a light-transmitting chromatic color resin layer is preferably used. An interlayer film which includes a light-transmitting chromatic color resin layer and a light-blocking layer may be formed in order that the light-blocking layer is used as a film having a function of attenuating the intensity of transmitting visible light.Type: GrantFiled: September 28, 2017Date of Patent: September 24, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tetsuji Ishitani, Daisuke Kubota
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Patent number: 10416374Abstract: The purpose of invention is to suppress rattling in a backlight for the automotive display. The invention is: the backlight has a light guide, a container, and a light source; the light guide has a first side surface, where the light source opposes, a second side surface opposing to the first side surface, a third side surface and a fourth side surface extending in a second direction, the container has a third inner wall opposing to the third side surface and a fourth side surface opposing to the fourth side surface, a projection is formed at the third side surface or the fourth surface, the projection is inserted in a recess formed in the third inner wall or in the fourth inner wall, the recess has an eave, under which the projection is inserted; thus, movement of the light guide in up and down is suppressed.Type: GrantFiled: December 7, 2017Date of Patent: September 17, 2019Assignee: Japan Display Inc.Inventor: Hiroyuki Miyazaki
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Patent number: 10409119Abstract: A special-shaped display panel having a display area and a peripheral area, including: a peripheral light-shading layer at least partially located in the peripheral area and defining the display area; and a plurality of edge pixels, each of the edge pixels comprising an aperture portion located in the display area, and a light-shading portion located in the peripheral area and covered by the peripheral light-shading layer an area of the aperture portion of each edge pixel is defined as S, a transmittance of each edge pixel is defined as T, it is further defined that M=S*T, and the M values of the edge pixels are identical. Such solution improves the edge color cast problem of special-shaped display panel, makes the color displayed at the edge of the special-shaped display panel uniform, and improves the visual effect of the edge of the display panel.Type: GrantFiled: December 7, 2017Date of Patent: September 10, 2019Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Bozhi Liu, Xiaoxiao Wu, Guozhao Chen
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Patent number: 10401672Abstract: Disclosed herein is a display device including a reflection type image display portion having a sheet-like anisotropic scattering member. In an area, in an in-plane direction, of the anisotropic scattering member, a low-refractive index area and a high-refractive index area are disposed in a mixture style. The anisotropic scattering member is disposed so that a light is scattered when an outside light is made incident from a surface side on which a degree of a change in a refractive index in a vicinity of a boundary between the low-refractive index area and the high-refractive index area is relatively large, and is emitted from a surface side on which the degree of the change in the refractive index in the vicinity of the boundary between the low-refractive index area and the high-refractive index area is relatively small.Type: GrantFiled: July 5, 2017Date of Patent: September 3, 2019Assignee: Japan Display Inc.Inventor: Masashi Mitsui
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Patent number: 10386570Abstract: A backlight assembly includes a substantially planar light guide defining an upper surface, a lower surface, and a side surface. A first plurality of LEDs is positioned below the lower surface of the light guide and oriented to direct the light emitted therefrom into the lower surface. A NVIS filter is placed adjacent to the side surface and a second plurality of LEDs is positioned near the side surface. A separating element extends between the first and second plurality of LEDs. A directing element extends between the second plurality of LEDs and the NVIS filter to direct the emitted light from the second plurality of LEDs through the NVIS filter and into the light guide.Type: GrantFiled: November 7, 2018Date of Patent: August 20, 2019Inventors: William Dunn, Harry Presley, Chris Tran
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Patent number: 10353135Abstract: Disclosed is a backlight unit for minimizing consumption power in realizing partial luminance. The backlight unit includes a light guide member including a first light incident part and a second light incident part, a first light source unit disposed in the first light incident part, and a second light source unit disposed in the second light incident part. The first light source unit and the second light source unit have different luminous intensities.Type: GrantFiled: December 28, 2016Date of Patent: July 16, 2019Assignee: LG Display Co., Ltd.Inventors: Youngki Song, MyungJoon Park
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Patent number: 10353233Abstract: A liquid crystal display device according to an embodiment is disclosed. The liquid crystal display device includes a liquid crystal display panel; a light emitting diode (LED) substrate; a plurality of light emitting diodes (LEDs) disposed on the LED substrate; a first diffuser disposed between the plurality of LEDs and the liquid crystal display panel; a bandpass filter being disposed between the plurality of LEDs and the diffuser; and a plurality of focus lenses corresponding to the plurality of LEDs, wherein each of the LEDs includes one of the plurality of focus lenses.Type: GrantFiled: March 21, 2017Date of Patent: July 16, 2019Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Naoki Sato, Kazuhiko Tsuda
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Patent number: 10345657Abstract: A pixel structure is disclosed. The pixel structure includes first transparent conductive films that are arranged on color-resists of a color filter substrate, and second transparent conductive films that are arranged on sub pixel regions of an array substrate and correspond to the first transparent conductive films. The first transparent conductive films are connected with one another. An area of an orthographic projection of each first transparent conductive film on a corresponding second transparent conductive film is equal to an area of the second transparent conductive film. According to the present disclosure, the pixel structure has a higher light transmittance.Type: GrantFiled: October 12, 2015Date of Patent: July 9, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Xiaohui Yao, Bangyin Peng
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Patent number: 10345669Abstract: A display device includes a first substrate, a thin film transistor on the first substrate, a passivation layer on the thin film transistor, a reflective layer on the passivation layer, a color filter on the reflective layer, the reflective layer having a substantially same shape as that of the color filter in a plan view, a first insulating layer on the color filter, a pixel electrode on the first insulating layer, a second substrate opposing the first substrate, and a liquid crystal layer between the first substrate and the second substrate.Type: GrantFiled: August 31, 2016Date of Patent: July 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sungin Ro, Sungjin Kim, Seunghyun Park, Ocksoo Son, Junho Song
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Patent number: 10332917Abstract: The present disclosure provides a pixel unit and a method for producing the same, an array substrate and a display apparatus. The pixel unit includes: a thin film transistor; an insulation layer formed at least on a drain electrode of the thin film transistor and formed therein with a via hole which extends through the insulation layer to expose the drain electrode of the thin film transistor below the insulation layer; a pixel electrode formed on the insulation layer and electrically connected to the drain electrode of the thin film transistor at the via hole; and at least one elevating layer formed below the via hole and located below a part of the drain electrode exposed from the via hole such that the exposed part has a height greater than the height of the parts of the drain electrode adjacent to the exposed part. The depth and slope of the via hole is reduced by adding the elevating layer below the via hole.Type: GrantFiled: August 31, 2015Date of Patent: June 25, 2019Assignees: BOE TECHNOLOGY CROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Xiaobin Yin, Chuanbao Chen, Dongling Sun, Lisen Wang
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Patent number: 10330999Abstract: A display panel includes a substrate, a thin-film transistor (TFT) disposed on the substrate, a first electrode electrically connected to the thin-film transistor, a roof layer disposed on the first electrode and a liquid crystal layer. The roof layer includes an organic insulating material, and defines a cavity that overlaps the first electrode. The liquid crystal layer is disposed in the cavity and is in direct contact with the roof layer.Type: GrantFiled: May 20, 2015Date of Patent: June 25, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Koichi Sugitani, Hoon Kang, Chul-Won Park, Yang-Ho Jung, Jin-Ho Ju
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Patent number: 10330850Abstract: A display apparatus includes a display module including a light conversion member including a plurality of quantum dots, a backlight unit providing a first light to the display module, and an optical filter disposed between the display module and the backlight unit. The optical filter includes a transmission filter layer transmitting a light in the first wavelength range and a second wavelength range, reflecting a light in a third wavelength range, and having a first effective refractive index and a viewing angle control layer disposed between the transmission filter layer and the display module to couple the transmission filter layer and the display module and having a second effective refractive index equal to or smaller than the first effective refractive index.Type: GrantFiled: April 27, 2017Date of Patent: June 25, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngchun Kim, Kyung-min Kim, Hyuk-hwan Kim, Hee-kwang Song
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Patent number: 10330986Abstract: An exposure system and a manufacturing method of a component of a display panel are disclosed. The exposure system includes a carrying device and a light source device. The carrying device carries the object. The light source device, including a plurality of lamp sets arranged along a first direction, emits light to irradiate the object. The lamp sets include a first lamp set and a second lamp set, which are disposed adjacent to each other. The first lamp set has a first lamp and a second lamp, which are extending along a second direction. The second lamp set has a third lamp and a fourth lamp, which are extending along the second direction. The first and second lamps are connected with a first junction, and the third and fourth lamps are connected with a second junction. The first junction and the second junction are misaligned on the first direction.Type: GrantFiled: November 25, 2016Date of Patent: June 25, 2019Assignee: INNOLUX CORPORATIONInventors: Yu-Ju Chen, Chun-Teng Chen, Yao-Teng Tseng, Chen-Kuan Kao
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Patent number: 10317716Abstract: A display apparatus may include a display panel, a touch electrode, a connecting pad, a first inorganic insulation layer, and a second inorganic insulation layer. The display panel may display an image according to image data. The touch electrode and the connecting pad may be formed of the same conductive material and may be spaced from each other. The first inorganic insulation layer may be positioned between the display panel and the touch electrode and may directly contact each of the touch electrode and the connecting pad. The second inorganic insulation layer may directly contact each of the first inorganic insulation layer and the touch electrode. The touch electrode may be covered by the second inorganic insulation layer. The connecting pad may be positioned between two portions of the second inorganic insulation layer and have a side not covered by the second inorganic insulation layer.Type: GrantFiled: December 27, 2016Date of Patent: June 11, 2019Assignee: Samsung Display Co., Ltd.Inventor: Sooguy Rho
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Patent number: 10317736Abstract: A display device having high reliability is provided. A frame of a display device is narrowed. A display device such as a liquid crystal display device includes a first substrate, a second substrate overlapping with the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first sealant surrounding the liquid crystal layer between the first substrate and the second substrate, and a second sealant surrounding the first sealant, closing a gap between the first substrate and the second substrate, and extending to at least a side surface of the second substrate.Type: GrantFiled: April 13, 2017Date of Patent: June 11, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Takeshi Nishi
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Patent number: 10317744Abstract: A display device includes a first substrate; a gate line on the first substrate; a data line disposed to intersect the gate line; a thin film transistor (TFT) connected to the gate line and the data line; a pixel electrode connected to the TFT; a second substrate opposed to the first substrate; and a light blocking member on the second substrate, the light blocking member at least partially overlapping the gate line, the data line, and the TFT and defining a pixel region. The pixel electrode may be disposed further away from the center portion of the pixel region, from the center portion of the first substrate toward the left and right sides thereof.Type: GrantFiled: October 27, 2015Date of Patent: June 11, 2019Assignee: Samsung Display Co., Ltd.Inventor: Sangyong No
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Patent number: 10302837Abstract: A backlight unit including a light guide plate (LGP), a light source module disposed adjacent to an incident surface of the LGP and configured to irradiate light to the incident surface, and a light control member disposed between the light source module and the incident surface, in which the light control member includes a reflection preventing layer disposed adjacent to the light source module and configured to prevent reflection of light, a base substrate disposed on the reflection preventing layer and configured to scatter or diffuse light transmitted through the reflection preventing layer, and a light adjusting filter disposed on the base substrate and configured to filter light including a first wavelength among light provided by the light source module.Type: GrantFiled: March 26, 2015Date of Patent: May 28, 2019Assignee: Samsung Display Co., LtdInventors: Sang Hyuk Lee, Jung Kyun Kim, Sang Chul Byun, Young Hye Son
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Patent number: 10288915Abstract: A transparency adjustment system comprising a transparent physical element whose electrical behavior is that of a capacitive load; and a power dimmer apparatus operative to provide AC current to the transparent physical element to generate a set of transparency states including a plurality of transparency states other than full transparency. Included in the scope of the invention is a system which changes the state of a load such as LC film from transparent to translucent in a single step rather than gradually.Type: GrantFiled: September 26, 2011Date of Patent: May 14, 2019Assignee: GAUZY LTD.Inventors: Dimitri Dobrenko, Adrian Lofer, Eyal Peso
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Patent number: 10281774Abstract: The present disclosure provides a display panel, a method for producing a display panel and a liquid crystal display screen and belongs to the field of display. The display panel includes: a first substrate and a second substrate assembled and opposed to each other; and a liquid crystal layer arranged between the first substrate and the second substrate, wherein a main photo spacer, a first subsidiary photo spacer and a second subsidiary photo spacer are arranged on a side of the first substrate facing towards the second substrate, and the main photo spacer has a height equal to a thickness of the liquid crystal layer, and the first subsidiary photo spacer has a height greater than a height of the second subsidiary photo spacer and less than or equal to thickness of the liquid crystal layer.Type: GrantFiled: June 21, 2016Date of Patent: May 7, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.Inventor: TingLai Lu
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Patent number: 10281762Abstract: The liquid crystal display panel comprises an upper glass substrate and a lower glass substrate, wherein the upper glass substrate comprises a plurality of color-resist units, each of which comprises a red color-resist element, a green color-resist element, and a blue color-resist element that are spaced from one another, and a plurality of black matrixes each being arranged between two adjacent color-resist elements; and wherein the lower glass substrate comprises a plurality of optical filter layers arranged on an outside surface thereof, said optical filter layers corresponding to red color-resist elements, green color-resist elements, and blue color-resist elements respectively, and each optical filter layer having a color the same as a corresponding color-resist element. The structure of the liquid crystal display panel according to the present disclosure is simple.Type: GrantFiled: June 19, 2015Date of Patent: May 7, 2019Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.Inventor: Jiangfeng Wang