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公开(公告)号：US20190387132A1
公开(公告)日：2019-12-19
申请号：US15741043
申请日：2017-12-20
发明人： Yang RAO
摘要： A method of gamut mapping and color gamut mapping apparatus comprises: acquiring the Lab value of the color point in the original color gamut; and determining the color point in the original color gamut relative to the coordinate location in a hue plane based on the Lab value; and determining the mapping target gamut of the color point based on the coordinate location; If a color point is located outside the mapping target area, it determining the first intersection point of the line connecting the color point and the maximum brightness and the borderline of the mapping target color gamut and the second intersection point of the color point relative to the borderline of the mapping target gamut, and finally according to the preset adjustment parameter, the mapping point being determined on the borderline of the mapping target color gamut relative to the color point.
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公开(公告)号：US20190386077A1
公开(公告)日：2019-12-19
申请号：US15562680
申请日：2017-07-13
发明人： Jian HE , Shen Sian SYU
IPC分类号： H01L27/32
摘要： Disclosed is a method for alleviating color shift of a display panel at a large viewing angle. The panel includes a sub-pixel array formed by R, G, B sub-pixels, and black matrix areas located between the sub-pixels. The method includes providing, above the sub-pixel array, an optical grating that is parallel with the sub-pixel array. The optical grating includes transparent areas and non-transparent areas. The non-transparent areas are provided above the black matrix areas. The optical grating is configured as such that when a sub-pixel is observed at a large viewing angle, light transmitted through the sub-pixel is partially blocked by the non-transparent areas of the optical grating.
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公开(公告)号：US20190385525A1
公开(公告)日：2019-12-19
申请号：US15565215
申请日：2017-08-25
发明人： Yufeng Jin , Hongjun Xie
IPC分类号： G09G3/3258
摘要： Disclosed is a method for compensating a pixel driving circuit of an OLED display panel. In the compensation method, a driving transistor is enabled to operate stably in a saturation region for twice, and a threshold voltage of the driving transistor is calculated based on a collected charging voltage and charging time. A pixel driving circuit is compensated by establishing a threshold-voltage compensation table. The compensation method is easy to operate and can significantly improve a detecting speed of a threshold voltage. Moreover, an effect of a voltage-current conversion factor on detecting accuracy of a threshold voltage can be avoided.
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公开(公告)号：US20190384086A1
公开(公告)日：2019-12-19
申请号：US15500117
申请日：2017-01-17
发明人： Song Lan
IPC分类号： G02F1/1343 , H01B1/04 , H01B5/14 , H01B13/00 , C01B32/194
摘要： A graphene transparent conductive film is disclosed. The graphene transparent conductive film includes graphene and a vertical alignment agent. A method for manufacturing the graphene transparent conductive film is further disclosed. In the method, graphene, a surfactant, and water are mixed to obtain a graphene solution; a vertical alignment agent is added to the graphene solution to obtain a graphene transparent conductive film liquid, and the film liquid is coated on a substrate and heated to obtain the graphene transparent conductive film. The vertical alignment agent can reduce a surface energy of liquid crystal molecules in a polymer matrix, increase a contact angle, so that the liquid crystal molecules can be aligned vertically.
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65.发明授权公开(公告)号：US10509287B2
公开(公告)日：2019-12-17
申请号：US15648631
申请日：2017-07-13
发明人： Yue Wu
IPC分类号： G02F1/1368 , H01L21/3213 , H01L21/027 , H01L21/311 , G02F1/1362 , H01L27/12 , H01L27/32
摘要： A COA substrate manufacturing method including: forming a TFT on a base substrate; forming a second insulation layer on the TFT; forming a color resist layer on the second insulation layer; forming a third insulation layer on the color resist layer; forming a through hole which exposes the drain electrode of the TFT; forming an ITO film layer on the third insulation layer; forming a photoresist layer on the ITO film layer; performing a light-shielding process to the photoresist layer on the vias-region ITO film layer and an exposure process to the photoresist layer on the non vias-region ITO film layer; developing the photoresist layer on the vias-region ITO and the non vias-region ITO film layers to obtain a photoresist layer plug covered on the vias-region ITO film layer. The photoresist is provided to fill the through hole so as to improve the quality of a display device.
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公开(公告)号：US10509265B2
公开(公告)日：2019-12-17
申请号：US15545323
申请日：2017-05-19
发明人： Yanjun Song
IPC分类号： G02F1/1337
摘要： The invention provides a photo-alignment apparatus and a photo-alignment method. In photo-alignment apparatus, a movable polarizing element is disposed between loading platform and light source; when the LC panel to be aligned uses display mode of horizontal alignment, moving the polarizing element to below light source to convert non-polarized light emitted from light source into linearly polarized light to irradiate on the LC panel to be aligned to perform alignment; when the LC panel to be aligned uses display mode of vertical alignment, moving the polarizing element to a region outside of below light source, so that the non-polarized light emitted from light source irradiating on the LC panel to be aligned to perform alignment. As such, the present invention can be applied to horizontal alignment and vertical alignment respectively, improve the usability of the photo-alignment apparatus, reduce the manufacturing cost, save space and reduce management load.
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公开(公告)号：US10475970B2
公开(公告)日：2019-11-12
申请号：US15115915
申请日：2016-07-15
发明人： Lixuan Chen , Yungjui Lee
IPC分类号： H01L33/50 , H01L27/15 , H01L33/00 , H01L25/075 , H01L33/56
摘要： A micro LED display panel and a manufacturing method thereof are provided. The micro LED display panel includes: a substrate, a plurality of micro LEDs disposed on the substrate and arranged in an array, a transparent encapsulation layer covering the plurality of micro LEDs, and a quantum dot (QD) layer disposed on the encapsulation layer. By adding the QD layer on the encapsulation layer, the short wavelength light emitted by the micro LEDs excites the QD layer to emit light, so that the micro LEDs and the QD layer form the basic display units of the micro LED display panel to expand the gamut of micro LED display panel and improve display quality of the micro LED display panel.
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公开(公告)号：US10475408B2
公开(公告)日：2019-11-12
申请号：US15742504
申请日：2017-12-20
发明人： Wenying Li
IPC分类号： G09G3/36
摘要： Disclosed are a liquid crystal display panel and a gate driving circuit thereof. The liquid crystal display panel includes a plurality of pixel units arranged in a matrix, a plurality of scan lines, a gate driving circuit, a plurality of data lines and a data driving circuit. Every two scan lines are corresponded to the pixel units in the same column and alternatively connected to the pixel units in the same column. Each data line is connected to the pixel units in the two rows. The driving abilities of the gate driving signals provided to the two scan lines corresponding to the pixel units in the same column are different. In this manner, the liquid crystal display panel can have less brightness variation and thus have a better display performance.
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公开(公告)号：US10475404B2
公开(公告)日：2019-11-12
申请号：US15327386
申请日：2017-01-06
发明人： Liyang An
IPC分类号： G09G3/36
摘要： A driving method of scan lines in a display panel and a driving device thereof are described. The driving method of scan lines includes the steps of dividing a plurality of frames into a first frame set and a second frame set, and turning on the scan lines of each frame in the first frame set by using a forward scan direction and turning on the scan lines in the second frame set by a backward scan direction.
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70.发明申请公开(公告)号：US20190339812A1
公开(公告)日：2019-11-07
申请号：US16096112
申请日：2018-08-01
发明人： Lei Chen , Yuhua Chang , Ming-wei Chen , Huiyang Kang , Wendong Li
摘要： A method and device for controlling in-plane interference of a liquid crystal touch screen and a display system are provided. By detecting a current image of a display panel of the liquid crystal touch screen in real time, and when the image that causes the in-plane interference of the liquid crystal touch screen is detected, inverting original polarities of data voltages input to at least a portion of data lines of the display panel, so that change directions of coupled voltages of adjacent two of the data lines with respect to a common electrode are opposite to each other, solving problems of in-plane interference for the liquid crystal touch screen.
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