Patents Examined by Richard H Kim
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Patent number: 11747690Abstract: A display device includes: an array substrate; a counter substrate; a liquid crystal layer; and a light source that emits light into a side surface of the array substrate or a side surface of the counter substrate. The display device includes: first wiring lines in a first peripheral region outside a display region, the first wiring lines being configured to be supplied with a constant potential; and second wiring lines in a second peripheral region located opposite to the first peripheral region with the display region therebetween, the second wiring lines being coupled to the scanning lines. A shape of a region occupied by the first wiring lines in the first peripheral region is obtained by inverting a shape of a region occupied by the second wiring lines in the second peripheral region, in a mirror-symmetrical manner. The first wiring lines are not coupled to the scanning lines.Type: GrantFiled: May 25, 2022Date of Patent: September 5, 2023Assignee: Japan Display Inc.Inventor: Yoshihide Ohue
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Patent number: 11747679Abstract: The present disclosure provides a display panel and a manufacturing method of the display panel. The display panel includes: a display liquid crystal panel including a plurality of sub-pixels arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and including a plurality of dimming pixels arranged in an array; and a sealant in a frame shape located between the dimming liquid crystal panel and the display liquid crystal panel, a surface of the sealant close to the dimming liquid crystal panel being adhered to the dimming liquid crystal panel, and a surface of the sealant close to the display liquid crystal panel being adhered to the display liquid crystal panel.Type: GrantFiled: November 7, 2019Date of Patent: September 5, 2023Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianming Liu, Chaoyue Wang, Wenbo Dong
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Patent number: 11744054Abstract: A fan unit for improved airflow within a display assembly is provided. Fans are provided at a housing which includes a rear wall defining a curved shape with peaks to accommodate one of the fans and a valley between adjacent ones of the fans. The fan units induce relatively laminar flow within certain portions of an airflow pathways extending with the display assembly and relatively turbulent flows in other portions of the display assembly when activated.Type: GrantFiled: August 23, 2021Date of Patent: August 29, 2023Assignee: Manufacturing Resources International, Inc.Inventors: William Dunn, Marcos Diaz, Mike Brown, Kevin O'Connor, Alex Moreau
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Patent number: 11733597Abstract: The present invention discloses a heat radiating device of an LCD projector, and the LCD projector has a fully sealed optical machine. The heat radiating device comprises an LED light source radiator, an efficient heat exchanger, external fans and an air guide cover. A window used for installing the efficient heat exchanger is formed in the bottom of a shell of the fully sealed optical machine. The efficient heat exchanger comprises a buckled Fin at a high temperature heat absorption side, a partition plate and sunflower sectional materials at a low temperature heat release side; and the buckled Fin, the partition plate and the sunflower sectional materials are sequentially pasted. The buckled Fin is located on an internal heat radiating air channel of the fully sealed optical machine; and the partition plate is formed in the bottom of the shell of the fully sealed optical machine.Type: GrantFiled: November 17, 2022Date of Patent: August 22, 2023Assignee: Changsha Pujiade Photoelectric Technology Co., LtdInventor: Ling Chen
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Patent number: 11726366Abstract: According to some aspects, a liquid crystal display panel comprising an electrode is provided. The electrode comprises a plurality of convex branch electrode portions arranged in a plane, the convex branch electrode portions being convex when viewed from a first direction perpendicular to the plane and extending from a central region of the electrode to a periphery of the electrode, and a plurality of concave branch electrode portions, the concave branch electrode portions being concave when viewed from the first direction, extending from the central region to the periphery and adjacent to convex branch electrode portions. According to some aspects, a method of applying a pretilt to molecules in a liquid crystal layer of a liquid crystal display panel by applying a voltage to the liquid crystal layer via first and second electrodes is provided.Type: GrantFiled: August 18, 2021Date of Patent: August 15, 2023Assignee: SATURN LICENSING LLCInventors: Shunichi Suwa, Masashi Miyakawa, Chikashi Kobayashi, Yoji Nagase
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Patent number: 11715395Abstract: The display device may include a display panel and a frame disposed on a rear surface of the display panel. The display device also includes a plurality of binders fixed to the rear surface of the display panel and disposed between the display panel and the frame, and a plurality of coupling members penetrating through the frame and coupled to the plurality of binders. Therefore, the flatness of the display panel attached to the plurality of binders may be improved by adjusting the locations of the frame and the plurality of binders. Also, the display panel and the frame may be easily attached and detached using the plurality of binders and the plurality of coupling members.Type: GrantFiled: May 11, 2021Date of Patent: August 1, 2023Assignee: LG Display Co., Ltd.Inventors: Sunghwan Yoon, HanSeok Kim, Sungeun Bae
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Patent number: 11714308Abstract: A portable radio includes a housing having a front display. The front display includes a liquid crystal display structure, a first layer of touch panel rear glass disposed exterior to the liquid crystal display structure, and a second layer of touch panel front glass disposed exterior to the first layer of touch panel rear glass. The second layer of touch panel front glass provides a viewable surface and user interface. The front display also includes a vacuum layer disposed between the first layer of touch panel rear glass and the second layer of touch panel front glass, and a plurality of spacers disposed in the vacuum layer that maintain a gap. The front display also includes a seal that at least partially seals and maintains a vacuum within the vacuum layer.Type: GrantFiled: August 19, 2021Date of Patent: August 1, 2023Assignee: MOTOROLA SOLUTIONS, INC.Inventors: Adrian F. Rubio, Salvador P. Magana, David H. McClintock, William Robertson
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Patent number: 11709392Abstract: A display device including a light source member including a plurality of light emitting units emitting a first color light, an optical member disposed on an upper side of the light source member, and a liquid crystal display panel disposed on an upper side of the optical member. The optical member includes a base substrate, a color conversion layer disposed on the base substrate and including a quantum dot for converting the first color light into a second color light and a third color light, a filter layer disposed between the base substrate and the color conversion layer and transmitting the first color light and reflecting the second color light and the third color light, and an optical path changing layer disposed on at least one of an upper surface and a lower surface of the filter layer.Type: GrantFiled: August 20, 2019Date of Patent: July 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Donghee Lee, Seung-won Park, Baek Hee Lee
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Patent number: 11698559Abstract: A display device having a first region, a second region, and a third region set between the first region and the second region is provided. The display device includes a first sub-pixel, a second sub-pixel, and a first signal line. The first sub-pixel is arranged in the first region. The second sub-pixel is arranged in the second region, the area of the first sub-pixel is larger than the area of the second sub-pixel. The first signal line is arranged in the first region and the third region, and is electrically connected to the first sub-pixel and the second sub-pixel. At least a part of the first signal line extends in the first direction in the first region. At least another part of the first signal line extends in the second direction in the third region. The first direction is different from the second direction.Type: GrantFiled: April 1, 2022Date of Patent: July 11, 2023Assignee: Innolux CorporationInventors: You-Cheng Lu, Chia-Hao Tsai, Ming-Jou Tai, Yi-Shiuan Cherng, Yung-Hsun Wu
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Patent number: 11693269Abstract: A display device includes a display panel having a flat portion and a plurality of curved portions extending from the flat portion in a bent manner. The display device further includes a front member disposed on the display panel, and an adhesive layer disposed between the display panel and the front m ember. The curved portion of the display panel is disposed along an entirety of an edge area of the display panel to minimize a non-display area.Type: GrantFiled: October 25, 2021Date of Patent: July 4, 2023Assignee: LG DISPLAY CO., LTD.Inventor: Heeseok Noh
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Patent number: 11686968Abstract: A light-filtering film for a screen of a device comprising a polymer substrate. A first absorbing compound combined with the polymer substrate, the first absorbing compound absorbing blue light in a blue notch band having a full-width half-maximum of not greater than about 50 nm. A second absorbing compound combined with the polymer substrate, the second absorbing compound absorbing green light in a green notch, wherein the first absorbing compound comprises an absorption that has a maximum absorbance peak between about 420 nm and about 445 nm, and wherein the second absorbing compound has a maximum absorbance peak between about 540 nm and 610 nm.Type: GrantFiled: September 2, 2021Date of Patent: June 27, 2023Assignee: EYESAFE INC.Inventors: Justin Barrett, Bonnie G. Simmons, Derek Harris
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Patent number: 11686979Abstract: A sealant structure and a method of fabricating a display panel are provided. The sealant structure including a plurality of adhesive strips and a plurality of filling colloids, wherein the adhesive strips are disposed end to end, and a gap is disposed between any two adjacent adhesive strips, the filling colloids are disposed in the gaps; wherein the adhesive strips and the filling colloids form a closed loop.Type: GrantFiled: November 6, 2019Date of Patent: June 27, 2023Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Mingjun Zhou
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Patent number: 11681085Abstract: A polarizing plate and an optical display apparatus are provided. A polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer, and the first retardation layer has a short wavelength dispersion of about 1 to about 1.03, a long wavelength dispersion of about 0.98 to about 1, and an in-plane retardation of about 180 nm to about 220 nm at a wavelength of 550 nm, the second retardation layer has a short wavelength dispersion of about 1 to about 1.1, a long wavelength dispersion of about 0.96 to about 1, and an in-plane retardation Re of about 70 nm to about 120 nm at a wavelength of 550 nm, and a ratio of out-of-plane retardation of the second retardation layer at a wavelength of 550 nm to thickness thereof is about ?33 nm/?m to about ?15 nm/?m.Type: GrantFiled: July 28, 2020Date of Patent: June 20, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Jun Mo Koo, Bong Choon Kim, Dong Yoon Shin, Jung Hun You, Sang Hum Lee
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Patent number: 11668969Abstract: A display panel includes a first display substrate, a second display substrate. The second display substrate includes a substrate, a color conversion layer including a first conversion part configured to absorb light of a first color and to emit light of a second color, a second conversion part configured to absorb the light of the first color and to emit light of a third color, and a third conversion part configured to transmit the light of the first color, and a filter layer including a first filter overlapping with the first conversion part and having the second color, a second filter overlapping with the second conversion part and having the third color, a third filter overlapping with the third conversion part and having the first color, and an auxiliary filter overlapping with the second conversion part and configured to absorb the light of the first color.Type: GrantFiled: October 11, 2021Date of Patent: June 6, 2023Assignee: Samsung Display Co., Ltd.Inventors: Seung-Jin Chu, Hoon Kim, Wontae Kim, Yeogeon Yoon, Hee-Keun Lee
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Patent number: 11665923Abstract: Embodiments of the present disclosure provide a display panel and a method for manufacturing the same. In the embodiments, multiple layers in a functional area are removed through an etching process which is milder than a traditional cutting process and is not easy to introduce cracks into an inorganic material layer, so that a damage of components inside the display panel caused by moisture and oxygen is prevented, resulting in yield improvement of the display panel and cost saving.Type: GrantFiled: February 14, 2020Date of Patent: May 30, 2023Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Heng Zhao
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Patent number: 11662633Abstract: A display panel includes a first substrate, a second substrate and a black matrix disposed between the first substrate and the second substrate. The first substrate includes a plurality of pixel areas arranged in a matrix. The first substrate further includes a plurality of scan lines extending along a first direction. The second substrate is disposed opposite to the first substrate. The black matrix includes a plurality of first parts and a second part. One of the plurality of first parts extends along the first direction and corresponds to one of the plurality of the scan lines. The second part is connected to the one of the plurality of first parts and extends along a second direction. A thickness of the second part is varied along the second direction.Type: GrantFiled: June 9, 2022Date of Patent: May 30, 2023Assignee: INNOLUX CORPORATIONInventors: Li-Ming Lin, Chih-Ming Liang
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Patent number: 11650454Abstract: A backlight module is provided. The backlight module includes a substrate; a plurality of light-emitting elements, disposed on the substrate along a first direction and a second direction; and at least one optical film, including: a first surface, having a plurality of cone structures, top points of the cone structures being arranged to form a plurality of first ridges. In addition, an angle is between the first ridge and the first direction; and a second surface, corresponding to the first surface and toward the substrate, the plurality of light-emitting elements being between the substrate and the second surface.Type: GrantFiled: June 24, 2021Date of Patent: May 16, 2023Inventor: Wen-Feng Cheng
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Patent number: 11644717Abstract: Provided is a dimming laminate which can effectively suppress occurrence of color unevenness and light omission. The dimming laminate according to the present invention includes a first transparent base material, a second transparent base material, and a dimming layer disposed between the first transparent base material and the second transparent base material. In this dimming laminate, the dimming layer includes a resin spacer, the resin spacer is a plurality of resin particles, and the resin spacer does not contain resin particles having a particle diameter of 1.4 times or more an average particle diameter of the resin particles or contains 0.0006% or less of the resin particles having a particle diameter of 1.4 times or more the average particle diameter of the resin particles, relative to 100% of the whole number of the resin particles.Type: GrantFiled: January 10, 2019Date of Patent: May 9, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yasuyuki Yamada, Hideyuki Takahashi, Saori Ueda, Minoru Nakajima
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Patent number: 11633903Abstract: A substrate and a method for producing the same are disclosed herein. In some embodiments, a substrate includes a base layer, a black layer formed on the base layer, and column spacers formed on the black layer, wherein a loss rate of spacers measured by a peel test is 15% or less. The substrate can have excellent adhesiveness of the spacer to the base layer or the black layer and ensuring appropriate darkening properties. The method can effectively produce such a substrate without adverse effects such as occurrence of foreign materials without separate treatment such as heat treatment.Type: GrantFiled: April 19, 2022Date of Patent: April 25, 2023Inventors: Cheol Ock Song, Seung Heon Lee, Ji Young Hwang, Han Min Seo, Nam Seok Bae, Jin Woo Park, Jung Sun You
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Patent number: 11627292Abstract: Provided is an electro-optical device including an electro-optical panel that includes a display region, a holder that holds the electro-optical panel, a first temperature detecting element that is disposed on the electro-optical panel and detects the temperature of the electro-optical panel, and a second temperature detecting element that is disposed on the holder and detects the temperature of the holder. When four quadrants are defined by an X axis line passing through a center of the display region and a Y axis line passing through the center of the display region and orthogonal to the X axis line, the first temperature detecting element and the second temperature detecting element are disposed in the same quadrant.Type: GrantFiled: May 20, 2021Date of Patent: April 11, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Shinsuke Fujikawa