Patents by Inventor Jinjin YANG
Jinjin YANG 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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Patent number: 12293730Abstract: A display panel and a display device are provided. The display panel includes a first substrate; a light-emitting layer; and a light modulation layer. The light-emitting layer is located between the first substrate and the light modulation layer; the light modulation layer includes a first light modulation layer and a second light modulation layer; the light-emitting layer includes at least one light-emitting element; the first light modulation layer includes at least one first opening; an orthographic projection of the first opening on the first substrate overlaps an orthographic projection of the light-emitting element on the first substrate; the second light modulation layer covers the first opening; and a refractive index of the second light modulation layer is greater than a refractive index of the first light modulation layer.Type: GrantFiled: June 22, 2023Date of Patent: May 6, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Shui He, Jinjin Yang, Jiansheng Zhong, Qiaoling Zhong, Ying Liu, Shanshan Zheng
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Patent number: 12284873Abstract: Display panel and display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving transistor and an initialization transistor. The initialization transistor is configured to provide an initialization signal for a preset node. The preset node is a gate of the driving transistor, or an anode of the light-emitting element. The pixel circuit includes an oxide semiconductor transistor and a silicon transistor. An active layer of the oxide semiconductor transistor includes an oxide semiconductor, and an active layer of the silicon transistor includes silicon. The pixel circuit includes a first pixel circuit and a second pixel circuit. The first pixel circuit includes a first initialization transistor. The second pixel circuit includes a second initialization transistor. An active layer of the first initialization transistor is connected to an active layer of the second initialization transistor through a first connection wire.Type: GrantFiled: December 30, 2021Date of Patent: April 22, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Jinjin Yang, Qingjun Lai, Yihua Zhu
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Patent number: 12266297Abstract: A display panel and a display device are provided. The display panel includes circuit rows and pixel circuit columns arranged as an array. Each pixel circuit row includes a first pixel circuit and a second pixel circuit, the first pixel circuit is electrically connected to a first scan line and the second pixel circuit is electrically connected to a second scan line; first pixel circuits in a same column are electrically connected to the first data line, and second pixel circuits in a same column are electrically connected to the second data line; and a first scan signal on the first scan line is configured to control whether a first data signal is written to the first pixel circuit, and a second scan signal on the second scan line is configured to control whether a second data signal is written to the second pixel circuit.Type: GrantFiled: April 11, 2024Date of Patent: April 1, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Hui Zhong, Jinjin Yang, Jun Li, Zhihua Yu, Kangpeng Yang, Shuang Zou, Hai Yin, Haibo Zhang, Jin Guo, Haichao Lu, Zhengyu Ye, Wenchun Chen
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Patent number: 12236872Abstract: Disclosed are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element, in the pixel circuit, the drive device includes a drive transistor; the reset device includes a first double-gate transistor, and a connection node between the first sub-transistor and the second sub-transistor is a second node. The pixel circuit is connected to a first power supply voltage signal terminal, and is configured to receive a first power supply voltage signal, and the first power supply voltage signal is a constant high level signal; and the pixel circuit includes a first capacitor, a first pole plate of the first capacitor is connected to the first power supply voltage signal terminal, and a second pole plate of the first capacitor is connected to the second node.Type: GrantFiled: March 13, 2023Date of Patent: February 25, 2025Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun Lai, Yihua Zhu, Jinjin Yang, Ping An
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Patent number: 12190806Abstract: A display panel including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a data writing transistor, a threshold compensation transistor, a first reset transistor, a bias transistor, and a light-emitting control module, the data writing transistor being electrically connected to a first terminal of the driving transistor, the threshold compensation transistor being connected in series between a gate of the driving transistor and a second terminal of the driving transistor, and configured to detect and self-compensate a threshold voltage deviation of the driving transistor, the first reset transistor and the bias transistor being electrically connected to the second terminal of the driving transistor, the light-emitting control module being connected in series with the driving transistor and the light-emitting element to control whether a driving current flows through the light-emitting element, the data writing transistor and the first reset transistor having thType: GrantFiled: December 16, 2022Date of Patent: January 7, 2025Assignee: Xiamen Tianma Display Technology Co., Ltd.Inventors: Shui He, Shanshan Zheng, Jinjin Yang, Jiansheng Zhong, Qiaoling Zhong
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Patent number: 12191260Abstract: The present application discloses a display panel and a display apparatus. The display panel includes a substrate, a first shielding layer and a driving circuit layer. The first shielding layer is located on a side of the substrate, and the first shielding layer includes a plurality of first shielding units located in a first display region and a plurality of second shielding units located in a second display region. At least a portion of adjacent first shielding units are connected through first connecting parts, and a portion of adjacent second shielding units are connected through second connecting parts. The driving circuit layer is located on a side of the first shielding layer away from the substrate, the driving circuit layer includes a plurality of driving circuits, and each driving circuit includes a driving transistor.Type: GrantFiled: April 19, 2022Date of Patent: January 7, 2025Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventors: Yihua Zhu, Qingjun Lai, Jinjin Yang, Jiaxian Liu
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Publication number: 20240386840Abstract: A display panel includes a driver circuit including shift registers with N stages and being cascade with each other, where N?2, and each shift register includes a first control portion and a second control portion. The first control portion is configured to control a first output signal, where the first output signal of an i-th stage of shift register is an input signal of a j-th stage of shift register, and 1?i?N, 1?j?N. The second control portion is configured to receive at least the first output signal and a frequency control signal and control a second output signal. In a case where the first output signal is an effective pulse and a time period of the effective pulse is within a time period of an effective pulse of the frequency control signal, the second output signal is the effective pulse.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Qingjun LAI, Chengxu LI, Xiangyuan LI, Jinjin YANG, Yong YUAN
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Publication number: 20240355289Abstract: A display panel and a display device are provided. A compensation module of a pixel circuit of a display panel is on in a bias adjustment stage, a data write stage, and a time period between the bias adjustment stage and the data write stage; and/or, a reset module of the pixel circuit is on in the bias adjustment stage and a reset stage and is turned off at least after the compensation module is turned on.Type: ApplicationFiled: June 28, 2024Publication date: October 24, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Qingjun LAI, Jinjin YANG
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Publication number: 20240341159Abstract: A display panel includes a substrate, multiple light-emitting units, multiple microlens portions, and a refractive layer. Each microlens portion is disposed on a side of each light-emitting unit facing away from the substrate. The microlens portion includes an etch-resistant material. The refractive layer is disposed at least on a side of the microlens portion facing away from the substrate. The refractive index of the refractive layer is greater than the refractive index of the microlens portion.Type: ApplicationFiled: June 20, 2024Publication date: October 10, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Jiansheng ZHONG, Jinjin YANG, Shui HE
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Patent number: 12100352Abstract: Disclosed are a display panel and a display device. The display panel includes a pixel circuit. In the pixel circuit, a reset device includes a first sub-transistor and a second sub-transistor, and a connection node between the first sub-transistor and the second sub-transistor is a second node; a compensation device includes a third sub-transistor and a fourth sub-transistor, a connection node between the third sub-transistor and the fourth sub-transistor is a third node; the pixel circuit includes a second capacitor and a third capacitor; two pole plates of the second capacitor are respectively connected to a line of first scan signal and the second node; two pole plates of the third capacitor are respectively connected to a line of second scan signal and the third node; and the second capacitor (C2) and the third capacitor (C3) satisfy: C2?C3.Type: GrantFiled: March 10, 2023Date of Patent: September 24, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun Lai, Yihua Zhu, Jinjin Yang, Ping An
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Publication number: 20240276832Abstract: Provided are a display panel and a preparation method thereof and a display device. In the display panel, at least one groove is provided in an isolation region. A groove includes a first groove division and a second groove division which are communicated with each other, and the second groove division is located on a side of the first groove division facing away from a base substrate. Along a direction pointing from a display region to a notch region, a maximum length of the first groove division is greater than a maximum length of the second groove division. A cathode is disconnected at the groove.Type: ApplicationFiled: April 23, 2024Publication date: August 15, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Jiansheng ZHONG, Jinjin YANG, Shui HE
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Publication number: 20240244931Abstract: A display panel includes a partition retaining wall, the partition retaining wall includes a metal partition portion and an insulating retaining wall portion, a sidewall on one side of the metal partition portion facing away from the insulating retaining wall portion includes a first recess structure, and the cathode layer is separated at the first recess structure.Type: ApplicationFiled: April 1, 2024Publication date: July 18, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Jiansheng Zhong, Jinjin Yang, Shui He
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Publication number: 20240185807Abstract: A display panel and a display device are provided. The display panel includes a first substrate; a light-emitting layer; and a light modulation layer. The light-emitting layer is located between the first substrate and the light modulation layer; the light modulation layer includes a first light modulation layer and a second light modulation layer; the light-emitting layer includes at least one light-emitting element; the first light modulation layer includes at least one first opening; an orthographic projection of the first opening on the first substrate overlaps an orthographic projection of the light-emitting element on the first substrate; the second light modulation layer covers the first opening; and a refractive index of the second light modulation layer is greater than a refractive index of the first light modulation layer.Type: ApplicationFiled: June 22, 2023Publication date: June 6, 2024Inventors: Shui HE, Jinjin YANG, Jiansheng ZHONG, Qiaoling ZHONG, Ying LIU, Shanshan ZHENG
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Publication number: 20240087518Abstract: A display panel including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a data writing transistor, a threshold compensation transistor, a first reset transistor, a bias transistor, and a light-emitting control module, the data writing transistor being electrically connected to a first terminal of the driving transistor, the threshold compensation transistor being connected in series between a gate of the driving transistor and a second terminal of the driving transistor, and configured to detect and self-compensate a threshold voltage deviation of the driving transistor, the first reset transistor and the bias transistor being electrically connected to the second terminal of the driving transistor, the light-emitting control module being connected in series with the driving transistor and the light-emitting element to control whether a driving current flows through the light-emitting element, the data writing transistor and the first reset transistor having thType: ApplicationFiled: December 16, 2022Publication date: March 14, 2024Inventors: Shui HE, Shanshan ZHENG, Jinjin YANG, Jiansheng ZHONG, Qiaoling ZHONG
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Publication number: 20240078948Abstract: A display panel includes a pixel circuit and a light-emitting element. The working process of the pixel circuit includes a data write stage and a bias stage. The working process of the pixel circuit includes a first light emission stage and a first non-light emission stage. In the first non-light emission stage, a bias maintaining stage is from the start moment of the bias stage to the start moment of the first light emission stage. Working modes of the display panel include a first mode and a second mode. The display brightness of the display panel in the first mode is different from the display brightness of the display panel in the second mode. The length of the bias maintaining stage in the first mode is different from the length of the bias maintaining stage in the second mode.Type: ApplicationFiled: November 14, 2023Publication date: March 7, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Yuheng Zheng, Jiemiao Pan, Xiangyuan Li, Jinjin Yang
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Publication number: 20240074244Abstract: Provided are a display panel and a display device. The display panel includes a display region and a non-display region. The display region surrounds at least part of the non-display region. The non-display region includes an element disposition region and a bank disposition region surrounding at least part of the element disposition region. The bank disposition region is provided with a bank. The display panel includes a substrate, the bank is disposed on a side of the substrate; a light-emitting layer located on a side of the bank facing away from the substrate and including a first light-emitting portion located in the bank disposition region; and a first light-shielding structure located in the bank disposition region and on a side of the first light-emitting portion facing the substrate. The first light-emitting portion and the first light-shielding structure at least partially overlap along the thickness direction of the display panel.Type: ApplicationFiled: November 6, 2023Publication date: February 29, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Shui HE, Liangqin XU, Jiansheng Zhong, Jinjin Yang, Ying Liu
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Patent number: 11776441Abstract: Display device and driving method thereof are provided. The display device includes a housing, a display screen, and a drive circuit. The housing includes a first side and a second side opposite to the first side in a first direction. The display screen includes a first end and a second end. At least one of the first end and the second end is accommodated in the housing. A first display area in a display area of the display screen is located between the first side and the second side. A second display area in the display area of the display screen is accommodated in the housing. The drive circuit is configured, when the display screen displays an image, to provide drive signals to the first display area, and control a display of the first display area without providing the drive signals to the second display area.Type: GrantFiled: February 1, 2022Date of Patent: October 3, 2023Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.Inventors: Meng Lai, Chen Zhong, Jinjin Yang, Yong Yuan
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Publication number: 20230222979Abstract: Disclosed are a display panel and a display device. The display panel includes a pixel circuit and a light-emitting element, in the pixel circuit, the drive device includes a drive transistor; the reset device includes a first double-gate transistor, and a connection node between the first sub-transistor and the second sub-transistor is a second node. The pixel circuit is connected to a first power supply voltage signal terminal, and is configured to receive a first power supply voltage signal, and the first power supply voltage signal is a constant high level signal; and the pixel circuit includes a first capacitor, a first pole plate of the first capacitor is connected to the first power supply voltage signal terminal, and a second pole plate of the first capacitor is connected to the second node.Type: ApplicationFiled: March 13, 2023Publication date: July 13, 2023Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun LAI, Yihua ZHU, Jinjin YANG, Ping AN
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Publication number: 20230215369Abstract: Disclosed are a display panel and a display device. The display panel includes a pixel circuit. In the pixel circuit, a reset device includes a first sub-transistor and a second sub-transistor, and a connection node between the first sub-transistor and the second sub-transistor is a second node; a compensation device includes a third sub-transistor and a fourth sub-transistor, a connection node between the third sub-transistor and the fourth sub-transistor is a third node; the pixel circuit includes a second capacitor and a third capacitor; two pole plates of the second capacitor are respectively connected to a line of first scan signal and the second node; two pole plates of the third capacitor are respectively connected to a line of second scan signal and the third node; and the second capacitor (C2) and the third capacitor (C3) satisfy: C2?C3.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Qingjun LAI, Yihua ZHU, Jinjin YANG, Ping AN
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Publication number: 20230215814Abstract: The present application discloses a display panel and a display apparatus. The display panel includes a substrate, a first shielding layer and a driving circuit layer. The first shielding layer is located on a side of the substrate, and the first shielding layer includes a plurality of first shielding units located in a first display region and a plurality of second shielding units located in a second display region. At least a portion of adjacent first shielding units are connected through first connecting parts, and a portion of adjacent second shielding units are connected through second connecting parts. The driving circuit layer is located on a side of the first shielding layer away from the substrate, the driving circuit layer includes a plurality of driving circuits, and each driving circuit includes a driving transistor.Type: ApplicationFiled: April 19, 2022Publication date: July 6, 2023Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventors: Yihua ZHU, Qingjun LAI, Jinjin YANG, Jiaxian LIU