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公开(公告)号：US20210265532A1
公开(公告)日：2021-08-26
申请号：US17317067
申请日：2021-05-11
Applicant: Japan Display Inc.
Inventor： Osamu ITOU , Masanobu IKEDA
IPC: H01L33/38 , G02F1/1335 , H01L25/075 , H01L33/50 , H01L33/58
Abstract: According to an aspect, an illumination device configured to be arranged opposing an image display surface of a reflective display device, includes: a translucent substrate; a plurality of light emitting elements that is provided to the translucent substrate; an anode electrode that is electrically coupled to the light emitting elements; and a cathode electrode that is electrically coupled to the light emitting elements. The anode electrode includes: a plurality of first partial anode electrodes having recessed structures in which the light emitting elements are arranged; and a second partial anode electrode that has a width less than widths of the first partial anode electrodes and couples the first partial anode electrodes.
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公开(公告)号：US20210249448A1
公开(公告)日：2021-08-12
申请号：US17161668
申请日：2021-01-29
Applicant: Japan Display Inc.
Inventor： Yuki YOKOTANI , Masanobu IKEDA
IPC: H01L27/12 , H01L25/16 , G02F1/1362
Abstract: A display device includes a first substrate and a second substrate comprising a color filter film. The first substrate includes a first organic resin layer, a second organic resin layer over the first organic resin layer; and a first opening portion provided by opening the first organic resin layer and the second organic resin layer. The first organic resin layer includes a first opening side surface having a first taper angle greater than 0° and less than 80° in the first opening portion. The second organic resin layer includes a second side surface having a second taper angle greater than 80° and less than 90° in the first opening portion. The first opening side surface is covered with the second organic resin layer.
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公开(公告)号：US20210082995A1
公开(公告)日：2021-03-18
申请号：US17103979
申请日：2020-11-25
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Yasuhiro KANAYA , Tadafumi OZAKI
Abstract: A display device includes a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, and a first light-shielding portion. The pixels are arrayed on the substrate. The inorganic light-emitting elements are provided corresponding to the respective pixels and each have a first side surface and a second side surface opposite to the first side surface. The first light-shielding portion is electrically coupled to the cathode of the corresponding inorganic light-emitting element and prevents output of light traveling in a direction intersecting the first side surface of the inorganic light-emitting element.
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公开(公告)号：US20210082892A1
公开(公告)日：2021-03-18
申请号：US17104850
申请日：2020-11-25
Applicant: Japan Display Inc.
Inventor： Yasuhiro KANAYA , Masanobu IKEDA
Abstract: A display device including a substrate, a plurality of pixels, a plurality of inorganic light-emitting elements, a flattening film, and an inorganic film. The pixels are arrayed on the substrate and display different colors. The inorganic light-emitting elements are provided to the respective pixels. The flattening film surrounds at least a side surface of the inorganic light-emitting element. The inorganic film covers the flattening film and the inorganic light-emitting element. The upper surface of the inorganic light-emitting element is exposed from the flattening film and is in contact with the inorganic film. Alternatively, the flattening film is provided covering the upper surface of the inorganic light-emitting element.
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公开(公告)号：US20200233524A1
公开(公告)日：2020-07-23
申请号：US16843523
申请日：2020-04-08
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Hayato KURASAWA
Abstract: A display device with a touch detection function is provided and includes a display unit that includes a plurality of pixel electrodes, and a plurality of counter electrodes facing the pixel electrodes, and that displays an image at a resolution in accordance with the number of the pixel electrodes; and a controller that alternately executes, in one frame period, a display operation in a display period by driving the pixel electrodes and the counter electrodes, and a touch detection operation in a touch period by driving the counter electrodes, wherein the controller that changes a ratio between the display period and the touch period in the one frame period in accordance with a resolution of an image to be displayed in the one frame period.
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Patent Agency Ranking
公开(公告)号：US20180232095A1
公开(公告)日：2018-08-16
申请号：US15892090
申请日：2018-02-08
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA , Hayato KURASAWA
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04111 , G09G3/3611 , G09G2340/0435 , G09G2354/00
Abstract: According to an aspect, a display device with a touch detection function includes: a display unit that includes a plurality of pixel electrodes, and a plurality of counter electrodes facing the pixel electrodes, and that displays an image at a resolution in accordance with the number of the pixel electrodes; a plurality of touch detection electrodes overlapping the counter electrodes; and a controller that alternately executes, in one frame period, a display operation in a display period by driving the pixel electrodes and the counter electrodes, and a touch detection operation in a touch period by driving one or both of the counter electrodes and the touch detection electrodes. The controller includes a control switching unit that changes a ratio between the display period and the touch period in the one frame period in accordance with a resolution of an image to be displayed in the one frame period.
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公开(公告)号：US20180157085A1
公开(公告)日：2018-06-07
申请号：US15888431
申请日：2018-02-05
Applicant: Japan Display Inc.
Inventor： Yoshihiro WATANABE , Masanobu IKEDA , Hayato KURASAWA , Koji ISHIZAKI
IPC: G02F1/1333 , G06F3/044 , G06F3/041 , G02F1/1335
CPC classification number: G02F1/13338 , G02F1/133528 , G06F3/0412 , G06F3/044 , G06F2203/04101 , G06F2203/04112
Abstract: According to one embodiment, a display device includes a display panel including a principal surface; a metal layer provided on the principal surface, the metal layer including a sensing electrode in the display area, a lead electronically connected to the sensing electrode, and a pad outside of the display area and connected to the lead, the pad including a first part and a second part which is located between the lead and the first part; a coat layer covering the metal layer without the first part of the pad and in contact with the principal surface; a cover member facing the coat layer; and an adhesive layer bonding the cover member to the coat layer and continuously covering the principal surface without the pad.
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公开(公告)号：US20160054608A1
公开(公告)日：2016-02-25
申请号：US14833752
申请日：2015-08-24
Applicant: Japan Display Inc.
Inventor： Daisuke SONODA , Tatsuya IDE , Toshimasa ISHIGAKI , Masanobu IKEDA , Koji ISHIZAKI , Hayato KURASAWA , Yoshihiro WATANABE
IPC: G02F1/1333 , G02F1/1343 , G02F1/13 , G02F1/1335
CPC classification number: G02F1/13338 , G02F1/133528 , G02F2202/28
Abstract: A first electrode 30 for the touch panel is formed on an outer side of a counter substrate 200, and the protection film 210 is formed over the first electrode 30 to cover it. A defect 211 in the protection film 210 is filled in with another protection film 210 by inkjet coating. The surface of the protection film 210 is rubbed to a rough surface finish. The polarization plate 220 is attached to the rough surface of the protection film 210 via an adhesive material 221. Since the defective region is repaired by the formation of the protection film 210, corrosion of the first electrode (wiring) 30 due to the presence of the adhesive material 221 can be prevented, and since the surface of the second protection film 210 is made rough, a resulting increase in adhering surface area enhances the adhesion for attaching the polarization plate 220.
Abstract translation: 用于触摸面板的第一电极30形成在对置基板200的外侧上，并且保护膜210形成在第一电极30上以覆盖它。 保护膜210中的缺陷211通过喷墨涂布与另一保护膜210填充。 保护膜210的表面被摩擦到粗糙的表面光洁度。 偏光板220通过粘合剂材料221附着在保护膜210的粗糙表面上。由于通过形成保护膜210来修复缺陷区域，因第一电极（布线）30的存在而导致的腐蚀 可以防止粘合材料221，并且由于第二保护膜210的表面变得粗糙，所以粘附表面积的增加增加了用于附着偏光板220的粘附。
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公开(公告)号：US20150268795A1
公开(公告)日：2015-09-24
申请号：US14661530
申请日：2015-03-18
Applicant: Japan Display Inc.
Inventor： Hayato KURASAWA , Hiroshi MIZUHASHI , Koji ISHIZAKI , Yoshihiro WATANABE , Masanobu IKEDA
CPC classification number: G06F3/0418 , G06F3/044 , G06F2203/04103
Abstract: According to one embodiment, a sensor-equipped display device includes a display panel, first driver, and second driver. The display panel includes a common electrode, a pixel electrode, a detection electrode, a connection line and lead line. The first driver supplies a common driving signal to the common electrode during a display drive time and supplies a sensor driving signal to the common electrode during a sensing drive time. The second driver detects a sensor output value during the sensing drive time. The lead line and the common electrode are apart from each other with a certain gap at least during the sensing drive time.
Abstract translation: 根据一个实施例，配备有传感器的显示装置包括显示面板，第一驱动器和第二驱动器。 显示面板包括公共电极，像素电极，检测电极，连接线和引线。 第一驱动器在显示驱动时间期间向公共电极提供公共驱动信号，并且在感测驱动时间期间将传感器驱动信号提供给公共电极。 第二个驱动器在感测驱动时间期间检测传感器输出值。 引线和公共电极至少在感测驱动时间期间彼此分开，具有一定的间隙。
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公开(公告)号：US20250146940A1
公开(公告)日：2025-05-08
申请号：US19014377
申请日：2025-01-09
Applicant: Japan Display Inc.
Inventor： Masanobu IKEDA
Abstract: Disclosed is a method for inspecting a light-emitting element, the method including: forming a buffer layer over an amorphous substrate; forming, over the buffer layer, an n-type cladding layer, an emission layer, and a p-type cladding layer each including an inorganic semiconductor to form a plurality of semiconductor layers arranged in a matrix form having a plurality of rows and a plurality of columns; forming an anode and a cathode over each of the plurality of semiconductor layers to form a plurality of light-emitting elements; and acquiring at least one of a photoluminescence property or an electroluminescence property of the plurality of light-emitting elements using a first detector and a second detector. The buffer layer has a function to promote crystallization of the semiconductor layers. The photoluminescence property is acquired before forming the anode and the cathode. The electroluminescence property is acquired after forming the anode and the cathode.
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