Patents by Inventor Yangzhao Ma
Yangzhao Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190393283Abstract: A display panel and a display device are provided. The display panel includes a fingerprint identification area, at least one support unit, and a pixel definition layer. The fingerprint identification area includes a light-transmitting area and a non-light-transmitting area. The support unit is disposed in the light-transmitting area and the non-light-transmitting area. The pixel definition layer includes a plurality of aperture areas each exposing at least one light-emitting unit. Each aperture area has a first neighboring side adjacent to a support unit having a second neighboring side disposed opposite to the first neighboring side. The second neighboring side has an effective length that is parallel to and directly facing the first neighboring side, and the effective length is smaller than a length of the first neighboring side; or, the support unit is disposed adjacent to the first neighboring side, which is a short side of the aperture area.Type: ApplicationFiled: October 4, 2018Publication date: December 26, 2019Inventors: Xing LU, Yangzhao MA, Tao PENG, Yongzhi WANG, Min LI
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Publication number: 20190370524Abstract: Provided are a display panel and a display device. The display panel includes an array substrate, a fingerprint recognition module and a fingerprint recognition light source. The array substrate includes a base substrate, a driving functional layer and a light-emitting functional layer. Light emitted from the fingerprint recognition light source is reflected by a touch object and then received by the fingerprint recognition unit. At least one of the fingerprint recognition module and the fingerprint recognition light source is located at a side of the base substrate facing away from the driving functional layer. The driving functional layer includes a plurality of driving units. The plurality of driving units comprise first driving units in the first region and second driving units in the second region.Type: ApplicationFiled: October 29, 2018Publication date: December 5, 2019Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Tao Peng, Yongzhi Wang
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Publication number: 20190362667Abstract: The present disclosure provides a display panel, a method for driving the display panel and a display device. The display panel includes a plurality of display sub-pixels and a plurality of brightness-enhancement sub-pixels arranged in a display area, some of which are located within a fingerprint identification region in the display area. The display sub-pixel includes first light emission component, first reset module connected to reset signal terminal, first control signal terminal and first light emission component, and first light emission control module connected to power signal terminal, data line, light emission control signal terminal, second control signal terminal, and first light emission component. The brightness-enhancement sub-pixel includes second light emission component and second light emission control module connected to third control signal terminal and second light emission component.Type: ApplicationFiled: September 10, 2018Publication date: November 28, 2019Inventors: Yangzhao MA, Tao PENG, Yongzhi WANG
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Publication number: 20190325190Abstract: Disclosed are a display panel and a display apparatus. The display panel includes: an array substrate and a plurality of pixel units disposed on the array substrate; at least one fingerprint identification unit disposed on the array substrate and configured to perform fingerprint identification according to light reflected by a touch body; and a display region and a non-display region surrounding the display region. The display region includes a first region and a second region. The fingerprint identification units arc disposed in the first region. On a side or the fingerprint identification unit facing towards a light emitting surface of the display panel, an area of a non-light transmittance region in per unit area of the first region is smaller than an area of a non-light transmittance region in per unit area of the second region.Type: ApplicationFiled: December 21, 2018Publication date: October 24, 2019Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Ruili Cui, Yangzhao Ma, Yongzhi Wang, Tao Peng
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Publication number: 20190294849Abstract: The present disclosure provides a display panel and a display device. The display panel includes a base substrate, a control circuit layer, formed on the base substrate and the control circuit layer includes a plurality of pixel circuits and a plurality of fingerprint identification circuits with interval dispose; a planarization layer, formed on the control circuit layer; a plurality of fingerprint signal acquisition modules, formed between the control circuit layer and the planarization layer, wherein each of the plurality of fingerprint signal acquisition modules is electrically connected to a respective one of the plurality of fingerprint identification circuits; and a plurality of light-emitting units, formed on the planarization layer, and each of the plurality of light-emitting units is electrically connected to a respective one of the plurality of pixel circuits.Type: ApplicationFiled: December 28, 2018Publication date: September 26, 2019Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Tao Peng, Yongzhi Wang
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Patent number: 10367052Abstract: A display panel and a display device are provided. A display region is divided into a first display region and at least one second display region smaller than the first display region. The display panel includes compensation lines and to-be-compensated lines located in the display region. Each compensation line is electronically connected with one to-be-compensated line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one power supply line on the substrate, and a capacitance is formed between the compensation line and the power supply line, or each compensation line is electronically connected with one power supply line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one to-be-compensated line on the substrate, and a capacitance is formed between the compensation line and the to-be-compensated line.Type: GrantFiled: October 16, 2018Date of Patent: July 30, 2019Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Chunpeng Zhang, Bo Li, Yangzhao Ma
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Publication number: 20190138783Abstract: A display panel including a display region, repeating units are provided in the fingerprint recognition region of the display region, each repeating unit includes pixel units, and each pixel unit includes sets of sub-pixels; first and second signal lines are provided in the fingerprint recognition region, each set of sub-pixels is connected to one first signal line and one second signal line; for two adjacent sets of sub-pixels in one pixel unit, a spacing between the first signal line corresponding to one of the two adjacent sets of sub-pixels and the second signal line corresponding to the other is smaller than a spacing between the first signal line corresponding to a set of first sub-pixels and the second signal line corresponding to a set of second sub-pixels; the set of first sub-pixels and the set of second sub-pixels are closest to each other in two adjacent pixel units.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xingxing YANG, Yangzhao MA
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Publication number: 20190114459Abstract: The present disclosure provides a display panel and a display device. The display panel includes: gate lines and data lines defining sub-pixel regions, each of which includes a pixel circuit and a light emitting element having an anode; and light-emission control signal lines and power signal lines dividing each sub-pixel region into a primary non-opaque region and a non-primary non-opaque region, the pixel circuit being located within the non-primary non-opaque region. The display area includes a fingerprint recognition region, and each anode within the fingerprint recognition region has an approximately quadrangular shape having parallel opposite edges. At least one pair of opposite edges of the anode forms an angle ? with respect to a row direction, where 0°<?<90°.Type: ApplicationFiled: December 13, 2018Publication date: April 18, 2019Applicant: Wuhan Taianma Micro-Electronics Co., Ltd.Inventors: Yangzhao Ma, Tao Peng, Yongzhi Wang
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Publication number: 20190051718Abstract: A display panel and a display device are provided. A display region is divided into a first display region and at least one second display region smaller than the first display region. The display panel includes compensation lines and to-be-compensated lines located in the display region. Each compensation line is electronically connected with one to-be-compensated line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one power supply line on the substrate, and a capacitance is formed between the compensation line and the power supply line, or each compensation line is electronically connected with one power supply line, an orthographic projection of the compensation line on the substrate is overlapped with an orthographic projection of one to-be-compensated line on the substrate, and a capacitance is formed between the compensation line and the to-be-compensated line.Type: ApplicationFiled: October 16, 2018Publication date: February 14, 2019Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Chunpeng ZHANG, Bo LI, Yangzhao MA
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Patent number: 10162230Abstract: An array substrate, and a display panel and a display device are provided. The array substrate includes a base substrate, pixel units disposed on the base substrate, and a first and a second electrodes disposed within the pixel units. The first electrode is disposed above the second electrode and comprises a strip-shaped first opening area having a first and a second ends and extending along a first direction. An orthogonal projection of a transmitting area of the pixel units to the base substrate covers an orthogonal projection of a part of the first opening area. An orthogonal projection of a non-transmitting area of the pixel units covers orthogonal projections of the first end and second ends to the base substrate. In this way, an electric field component resulting in disordered rotation of liquid crystal molecules is located in the non-transmitting area of the pixel units.Type: GrantFiled: August 22, 2016Date of Patent: December 25, 2018Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yangzhao Ma, Ling Wu, Boping Shen
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Publication number: 20170329187Abstract: An array substrate, and a display panel and a display device are provided. The array substrate includes a base substrate, pixel units disposed on the base substrate, and a first and a second electrodes disposed within the pixel units. The first electrode is disposed above the second electrode and comprises a strip-shaped first opening area having a first and a second ends and extending along a first direction. An orthogonal projection of a transmitting area of the pixel units to the base substrate covers an orthogonal projection of a part of the first opening area. An orthogonal projection of a non-transmitting area of the pixel units covers orthogonal projections of the first end and second ends to the base substrate. In this way, an electric field component resulting in disordered rotation of liquid crystal molecules is located in the non-transmitting area of the pixel units.Type: ApplicationFiled: August 22, 2016Publication date: November 16, 2017Inventors: Yangzhao MA, Ling WU, Boping SHEN
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Patent number: 9804460Abstract: A pixel electrode, an array substrate and a display panel are provided. The pixel electrode includes: a main pixel electrode extending in a first direction and a first extending portion. The main pixel electrode includes a main electrode, and a first end portion and a second end portion respectively located at two ends of the main electrode. The first extending portion extends in a second direction and is connected to the first end portion. The second direction intersects with the first direction. In addition to the main pixel electrode, the pixel electrode further includes the first extending portion electrically connected to the first end portion of the main pixel electrode. The area of the pixel electrode is increased due to the arrangement of the extending portion.Type: GrantFiled: September 29, 2015Date of Patent: October 31, 2017Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Yangzhao Ma, Poping Shen, Ling Wu
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Publication number: 20170192283Abstract: A pixel electrode is provided. The pixel electrode includes a main rod portion disposed in a first direction, a first branch portion connected with the main rod portion and extending along a second direction away from one side of the main rod portion, and a second branch portion connected with the main rod portion and extending along a third direction away from another side of the main rod portion. The first branch portion and the second branch portion does not overlap with a display region of the LCD panel, and the second branch portion is disposed at the vicinity of a via hole of the pixel electrode.Type: ApplicationFiled: June 16, 2016Publication date: July 6, 2017Inventors: Yangzhao MA, Ling WU
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Publication number: 20160187749Abstract: A pixel electrode, an array substrate and a display panel are provided. The pixel electrode includes: a main pixel electrode extending in a first direction and a first extending portion. The main pixel electrode includes a main electrode, and a first end portion and a second end portion respectively located at two ends of the main electrode. The first extending portion extends in a second direction and is connected to the first end portion. The second direction intersects with the first direction. In addition to the main pixel electrode, the pixel electrode further includes the first extending portion electrically connected to the first end portion of the main pixel electrode.Type: ApplicationFiled: September 29, 2015Publication date: June 30, 2016Inventors: Yangzhao Ma, Poping Shen, Ling Wu