Patents Examined by Lucy Chien
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Patent number: 10256279Abstract: A display device with high visibility regardless of the ambient brightness is provided. The display device includes a first display element, a second display element, a first transistor, and a second transistor. The first display element has a function of reflecting visible light. The second display element has a function of emitting visible light. The first transistor has a function of controlling the driving of the first display element. The second transistor has a function of controlling the driving of the second display element. The first transistor is positioned closer to a display surface side of the display device than the first display element is. The first display element is positioned closer to the display surface side of the display device than the second display element and the second transistor are.Type: GrantFiled: June 16, 2017Date of Patent: April 9, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Daisuke Kubota, Yusuke Kubota
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Patent number: 10162238Abstract: A display device according to an exemplary embodiment of the present inventive concept includes: a substrate; a data line and a thin film transistor disposed on the substrate; a common electrode and a pixel electrode disposed on the thin film transistor and overlapping each other by interposing an insulating layer therebetween; a roof layer formed to be separated from the pixel electrode and the common electrode while interposing a microcavity therebetween and having an injection hole partially exposing the microcavity; a liquid crystal layer filling the microcavity; an overcoat formed on the roof layer to cover the injection hole and sealing the microcavity. The pixel electrode includes an auxiliary electrode that is formed on the data line, the auxiliary electrode overlapping and being insulated from the data line.Type: GrantFiled: February 24, 2016Date of Patent: December 25, 2018Assignee: Samsung Display Co., Ltd.Inventors: Kwang Soo Bae, Min Jeong Oh, Hae Ju Yun, Dae Ho Song, Taimei Kodaira, Yu Jin Kim
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Patent number: 10146085Abstract: A display device includes: a substrate; a display medium layer disposed on the substrate; and a polarizer having a first film, a second film and a third film sequentially laminated on the display medium layer. The second film connects to the first film. The third film connects to the second film. A first bottom surface of the first film has a first edge. A second bottom surface of the second film has a second edge. A third bottom surface of the third film has a third edge. A first minimum distance exists between projections of the first edge and the second edge on the substrate in a first direction perpendicular to a normal direction of the substrate, and a second minimum distance exists between the second edge and the third edge on the substrate in the first direction. The first minimum distance is different from the second minimum distance.Type: GrantFiled: July 7, 2017Date of Patent: December 4, 2018Assignee: INNOLUX CORPORATIONInventors: Hui-Chi Wang, Hsia-Ching Chu, Mei-Chun Shih
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Patent number: 10146095Abstract: A liquid crystal display device is provided with a thin film transistor which includes a gate electrode film that is provided in a first electrode layer located over a first insulating layer, a semiconductor film that is disposed over the gate electrode film via a second insulating layer, a drain electrode and a source electrode that are provided in a second electrode layer located over the semiconductor film and are in contact with an upper surface of the semiconductor film, and a light blocking film that is disposed under the first insulating layer. At least a part thereof overlaps the semiconductor film and the gate electrode film in a plan view. One of the drain electrode and the source electrode is connected to a gate line, and the light blocking film is electrically connected to the source electrode.Type: GrantFiled: July 5, 2017Date of Patent: December 4, 2018Assignee: Japan Display Inc.Inventors: Takahiro Ochiai, Motoharu Miyamoto, Masahiro Hoshiba
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Patent number: 10133100Abstract: A curved display device includes a display panel which is curved with respect to a central axis of the curved display device to define a display surface which is curved with respect to the central axis of the curved display device; a first adhesion member attached to an edge area of a bottom surface of the display panel; a mold frame which is curved with respect to the central axis of the curved display device, the mold frame defining a stepped portion on which the display panel is seated; and a second adhesion member attached to a top surface of the stepped portion and to the first adhesion member which is attached to the edge area of the bottom surface of the display panel.Type: GrantFiled: July 1, 2016Date of Patent: November 20, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sijoon Song, Yong-hoon Kwon, Sojeong La, Seokhyun Nam, Kwang-wook Choi
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Patent number: 10120228Abstract: Provided is a display device that is thin in its entirety and has a high contrast. The display device according to the present invention includes an array substrate provided with multiple pixels in array, and a counter substrate oppositely disposed above the array substrate with a liquid crystal layer interposed between the counter substrate and the array substrate. The counter substrate includes a touch sensor wiring pattern disposed in such a manner that at least part of the touch sensor wiring pattern is not parallel or orthogonal to a first polarization axis of polarization light incident on the liquid crystal layer from close to the array substrate. The counter substrate also includes a polarization layer closer to the liquid crystal layer than to the touch sensor wiring pattern, having a second polarization axis with an angle of 0 degrees or 90 degrees with respect to the first polarization axis.Type: GrantFiled: April 12, 2016Date of Patent: November 6, 2018Assignee: Mitsubishi Electric CorporationInventor: Masami Hayashi
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Patent number: 10108061Abstract: A thin-film transistor (TFT) array substrate includes a transistor disposed on a base substrate and a storage capacitor electrically connected to the transistor. The transistor includes a gate electrode, an active layer electrically insulated from the gate electrode, the active layer including a semiconductor material, and a first electrode and a second electrode disposed to be spaced apart from each other on the active layer. The storage capacitor includes a lower electrode including a light inflow path, and an upper electrode disposed to face the lower electrode and electrically connected to the second electrode.Type: GrantFiled: April 21, 2016Date of Patent: October 23, 2018Assignee: Samsung Display Co., Ltd.Inventors: Keumdong Jung, Daecheol Kim, Seongyoung Lee, Cholho Kim, Jihoon Yang, Hyunyoung Choi
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Patent number: 10109656Abstract: It is an object to provide a technique capable of suppressing a damage on a semiconductor channel layer due to a process of forming a source electrode and a drain electrode and also suppressing a short channel effect. A thin film transistor includes a gate electrode, a first insulating film, a source electrode, a drain electrode, a second insulating film, and a semiconductor channel layer that includes an oxide semiconductor. The second insulating film is disposed on the first insulating film, the source electrode, and the drain electrode. The semiconductor channel layer is electrically connected to the source electrode and the drain electrode via a first contact hole and a second contact hole provided in the second insulating film.Type: GrantFiled: November 7, 2017Date of Patent: October 23, 2018Assignee: Mitsubishi Electric CorporationInventors: Takaharu Konomi, Kazunori Inoue
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Patent number: 10103173Abstract: The present invention provides a manufacture method of an array substrate and an array substrate manufactured by the method. By employing one mask to achieve the via opening process to the flat layer and the first passivation layer, one mask can be saved to decrease the production cost and to reduce the process time; the conductive connection layer covering the first via on the flat layer and the second via on the first passivation layer are formed at the same time while forming the common electrode, and thus to prevent that the source/the drain and the flat layer to be exposed in the environment for eliminating the possibility that the two generate the reaction, which is beneficial for raising the electrical property of the array substrate and realizing the signal conduction. In the array substrate, the signal transmission is smooth, and the substrate possesses the great electrical property.Type: GrantFiled: April 8, 2016Date of Patent: October 16, 2018Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Qiming Gan, Meng Wang
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Patent number: 10088707Abstract: A curved liquid crystal display includes an upper curved substrate; a lower curved substrate; a liquid crystal layer including liquid crystal molecules having negative dielectric anisotropy and between the upper and lower curved substrates; an upper curved liquid crystal alignment layer between the liquid crystal layer and the upper curved substrate; a lower curved liquid crystal alignment layer between the liquid crystal layer and the lower curved substrate. In a first region, a content of a reactive mesogen polymer per unit area of the lower curved liquid crystal alignment layer is higher that of the upper curved liquid crystal alignment layer, and in a second region, the content of the reactive mesogen polymer per unit area of the upper curved liquid crystal alignment layer is higher than that of the lower curved liquid crystal alignment layer.Type: GrantFiled: April 11, 2016Date of Patent: October 2, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Soo Jang, Se Hyun Lee, Ki Chul Shin
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Patent number: 10078246Abstract: A display panel includes a pixel electrode and a common electrode. The pixel electrode has a cross-shaped opening which includes a first slit extending along a first direction and a second slit extending along a second direction and crossing the first slit. The common electrode is at least disposed at one side of the pixel electrode. The common electrode includes an opening having a largest width in the first direction, and a part of the opening with the largest width is adjacent to an intersection of an extending direction of the first slit and the common electrode. A width of the opening is gradually smaller from the part of the opening with the largest width along the second direction and an opposite direction of the second direction.Type: GrantFiled: August 4, 2017Date of Patent: September 18, 2018Assignee: AU OPTRONICS CORPORATIONInventors: Chen-Chun Lin, Wei-Cheng Cheng, Yi-Chi Lee, Tien-Lun Ting
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Patent number: 10054734Abstract: A display may have an array of pixels that display images for a user. The backlight unit may have a light-guide layer. An array of light-emitting diodes may emit light into an edge of the light-guide layer. The light guide layer may overlap a backlight reflector. A quarter wave plate may be interposed between the light guide layer and the backlight reflector. A turning film may be interposed between a lower polarizer in the array of pixels and the light guide layer. The lower polarizer may be a reflective polarizer. Light exiting the upper surface of the turning film may have a dominant polarization. A half wave plate may be used to rotate the dominant polarization into alignment with a pass axis of the reflective polarizer.Type: GrantFiled: October 12, 2015Date of Patent: August 21, 2018Assignee: Apple Inc.Inventors: Yi Huang, Xinyu Zhu, Jun Qi
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Patent number: 10054819Abstract: According to one embodiment, a display device includes an insulating substrate, a wavelength conversion element, a light propagation layer including a light-path portion formed between the insulating substrate and the wavelength conversion element, wherein an area of a surface on the insulating substrate side is greater than an area of a surface on the wavelength conversion element side, and a non-light-path portion formed of a material having a refractive index less than the light-path portion, the light-path portion being sandwiched between the non-light-path portions, and a reflective film formed between the non-light-path portion and the wavelength conversion element.Type: GrantFiled: February 1, 2016Date of Patent: August 21, 2018Assignee: Japan Display Inc.Inventors: Hirohisa Miki, Shigesumi Araki
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Patent number: 10048435Abstract: The present invention provides a mold-frame-free liquid crystal display device and an assembly method thereof, in which a lower surface of a liquid crystal display panel (2) is provided with a first double-sized adhesive tape (110) that circumferentially surrounds an effective display area (21) and an optical film assembly (15) is adhesively attached to the first double-sized adhesive tape (110) and a reflector plate (14) and a light guide plate (11) are sequentially disposed inside the terminal frame (4) and, finally, the liquid crystal display panel (2) that includes the optical film assembly (15) attached thereto and the terminal frame (4) with the reflector plate (14) and the light guide plate (11) disposed therein are assembled together, whereby a backlighting mold frame can be omitted, the cost can be reduced, and a bezel width of a liquid crystal display device can be effectively reduced to realize narrow bezel of the liquid crystal display device, increase product competition power, allow the backlighType: GrantFiled: May 23, 2016Date of Patent: August 14, 2018Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Jie Zeng, Gege Zhou, Qian Chen
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Patent number: 10042167Abstract: Compact and low mass augmented and fully virtual head mounted display designs are disclosed. The disclosed displays employ a display located between the eye and the main optical element of the head mounted display. These designs additionally afford the ability to support augmented reality displays because the user can see both the virtual image from the display and the real world if desired. The designs use semi-transparent displays where either the display emits circularly polarized light or the displays which emits light from one surface or the view of the display directly from the eye is obscured.Type: GrantFiled: February 28, 2017Date of Patent: August 7, 2018Assignee: Fakespace Labs, Inc.Inventors: Ian E. McDowall, Mark T. Bolas
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Patent number: 10045013Abstract: A pixel array, a display device and a display method are provided. The pixel array comprises a plurality of pixel rows, each pixel row includes repetitive units sequentially arranged along a row direction, and each repetitive unit includes three sub-pixels of different colors (B, R and G). Odd-numbered pixel rows and even-numbered pixel rows are alternately arranged along a column direction; in an odd-numbered pixel row and an even-numbered pixel row adjacent to each other, a minimum distance between center points of sub-pixels of a same color along the row direction is equal to 1 to 1.5 times a width of the sub-pixel, and the width of the sub-pixel is a size of the sub-pixel along the row direction. The pixel array, the display device and the display method can achieve a high resolution by 2D pixel rendering; and in a 3D mode, 3D optical crosstalk can be mitigated by increasing a buffer sub-pixel.Type: GrantFiled: September 11, 2015Date of Patent: August 7, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Wenqing Zhao, Xue Dong, Xiaochuan Chen
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Patent number: 9995981Abstract: The present invention provides a liquid crystal display device which can be miniaturized while preventing display defects such as flicker. The present invention relates to a liquid crystal display device including a wiring connected to an electrode to supply a common signal. The electrode includes a first electrode portion formed in a transparent conductive layer. The wiring is formed outside a display region and includes at least one of the first wiring portion and a second wiring portion and a third wiring portion facing the at least one of the first wiring portion and the second wiring portion. The first wiring portion, the second wiring portion, and the third wiring portion are respectively formed in a first conductive layer, a second conductive layer, and a third conductive layer.Type: GrantFiled: March 1, 2017Date of Patent: June 12, 2018Assignee: SHARP KABUSHIKI KAISHAInventor: Masahiro Yoshida
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Patent number: 9964801Abstract: The present invention provides a display substrate comprising a plurality of pixel regions and a thin film transistor provided in each of the pixel regions. Each of the pixel regions comprises a transmissive region and a reflective region, and a protection layer is provided on the thin film transistor. A portion of the protection layer corresponding to the reflective region is a protrusion portion, and a portion of the protection layer corresponding to the thin film transistor is provided with a via therein.Type: GrantFiled: April 12, 2016Date of Patent: May 8, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Bingkun Yin, Junhao Han, Wenlong Wang, Binbin Cao
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Patent number: 9958713Abstract: An array substrate and a display device are disclosed. A coating layer (8) is disposed between a base substrate (1) and a first transparent conductive oxide film layer (2), a refractive index of the coating layer (8) is bigger than that of the base substrate (1) and smaller than that of the first transparent conductive oxide film layer (2). A multi-layer reflection phenomenon caused by the relatively big difference between the refractive indexes of the base substrate 1 and the first transparent conductive oxide film layer 2 can be weakened, thereby the light transmission rate of the array substrate may be improved.Type: GrantFiled: June 26, 2014Date of Patent: May 1, 2018Assignee: BOE Technology Group Co., Ltd.Inventors: Ki Man Kim, Jaegeon You
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Patent number: 9952466Abstract: A liquid crystal display includes a display substrate, in which a plurality of domains is defined, includes a pixel electrode disposed in each of the plurality of domains and configured to have a plurality of branch electrodes and a common electrode. A liquid crystal layer disposed between the display substrate and an opposite substrate. A plurality of domains is arranged in a column direction and a row direction. Each of the domains includes first and second sides, a first horizontal edge, and a second horizontal edge facing the first horizontal edge. The second side is parallel with the column direction and the first side is parallel with a first slanted direction. A slit is defined between adjacent branch electrodes. The slit has a first width adjacent to the first horizontal edge, and a second width adjacent to the second horizontal edge.Type: GrantFiled: December 7, 2015Date of Patent: April 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeongho Lee, Hyangyul Kim, Soojung Chae, Junho Song, Jeanho Song, Sujin Lee, Jieun Lee