Patents by Inventor Jang Soon Im
Jang Soon Im 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: 10804300Abstract: A complementary thin film transistor drive back-plate and manufacturing method thereof, a display panel.Type: GrantFiled: June 30, 2014Date of Patent: October 13, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon Im
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Patent number: 9818775Abstract: An array substrate, a manufacturing method thereof, a display device, a thin-film transistor (TFT) and a manufacturing method thereof are disclosed. The method for manufacturing the TFT comprises: forming a pattern of an active layer and a gate insulating layer provided with a metal film on a base substrate; patterning the metal film by one patterning process, and forming patterns of a gate electrode, a source electrode, a drain electrode, a gate line and a data line; forming a passivation layer on the base substrate; patterning the passivation layer by one patterning process, and forming a source contact hole, a drain contact hole and a bridge structure contact hole; and forming a transparent conductive film on the base substrate, and removing partial transparent conductive film to form a source contact portion, a drain contact portion (214), a pixel electrode and a bridge structure. The manufacturing method can reduce the number of the patterning processes.Type: GrantFiled: February 27, 2017Date of Patent: November 14, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Chunping Long, Jang Soon Im, Chien Hung Liu
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Publication number: 20170170214Abstract: An array substrate, a manufacturing method thereof, a display device, a thin-film transistor (TFT) and a manufacturing method thereof are disclosed. The method for manufacturing the TFT comprises: forming a pattern of an active layer and a gate insulating layer provided with a metal film on a base substrate; patterning the metal film by one patterning process, and forming patterns of a gate electrode, a source electrode, a drain electrode, a gate line and a data line; forming a passivation layer on the base substrate; patterning the passivation layer by one patterning process, and forming a source contact hole, a drain contact hole and a bridge structure contact hole; and forming a transparent conductive film on the base substrate, and removing partial transparent conductive film to form a source contact portion, a drain contact portion (214), a pixel electrode and a bridge structure. The manufacturing method can reduce the number of the patterning processes.Type: ApplicationFiled: February 27, 2017Publication date: June 15, 2017Inventors: Chunping Long, Jang Soon Im, Chien Hung Liu
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Patent number: 9646847Abstract: A method for manufacturing an array substrate, a film-etching monitoring and a film-etching monitoring device. The monitoring method comprises: monitoring and recording the transmittance reference value of a film after a film pattern is formed; and monitoring the transmittance present value of the film in real time in the process of etching an overcoating layer to form a through hole after the overcoating layer is formed on the film pattern, and monitoring the etching degree of the film by determining the variation between the transmittance present value and the transmittance reference value. The device comprises a plurality of light sources (3) and a plurality of light-sensitive probes (4) disposed in the chamber. The light sources (3) are configured to irradiate the film on a substrate; and the light-sensitive probes (4) are configured to sense the transmittance of the film.Type: GrantFiled: May 23, 2014Date of Patent: May 9, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Zheng Liu, Jang Soon Im
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Patent number: 9634043Abstract: An array substrate, a manufacturing method thereof, a display device, a thin-film transistor (TFT) and a manufacturing method thereof are disclosed. The method for manufacturing the TFT comprises: forming a pattern of an active layer and a gate insulating layer provided with a metal film on a base substrate patterning the metal film by one patterning process, and forming patterns of a gate electrode a source electrode, a drain electrode a gate line and a data line; forming a passivation layer on the base substrate; patterning the passivation layer by one patterning process, and forming a source contact hole, a drain contact hole and a bridge structure contact hole; and forming a transparent conductive film on the base substrate, and removing partial transparent conductive film to form a source contact portion, a drain contact portion, a pixel electrode and a bridge structure.Type: GrantFiled: September 20, 2014Date of Patent: April 25, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Chunping Long, Jang Soon Im, Chien Hung Liu
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Patent number: 9515100Abstract: Embodiments of the present invention provide an array substrate, a manufacturing method thereof and a display device. The method for manufacturing the array substrate comprises: forming a pattern of an active layer of a switching thin-film transistor (TFT) and a pattern of a corresponding pixel electrode on a base substrate, in which the active layer of the switching TFT and the pixel electrode are on the same layer.Type: GrantFiled: December 7, 2013Date of Patent: December 6, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon Im
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Patent number: 9478562Abstract: An array substrate and manufacturing method thereof, a display device, a thin film transistor and manufacturing method thereof are provided.Type: GrantFiled: September 23, 2014Date of Patent: October 25, 2016Assignee: BOE Technology Group Co., Ltd.Inventors: Chunping Long, Zheng Liu, Zuqiang Wang, Jang Soon Im
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Publication number: 20160300866Abstract: An array substrate, a manufacturing method thereof, a display device, a thin-film transistor (TFT) and a manufacturing method thereof are disclosed. The method for manufacturing the TFT comprises: forming a pattern of an active layer and a gate insulating layer provided with a metal film on a base substrate patterning the metal film by one patterning process, and forming patterns of a gate electrode, a source electrode, a drain electrode, a gate line and a data line; forming a passivation layer on the base substrate; patterning the passivation layer by one patterning process, and forming a source contact hole, a drain contact hole and a bridge structure contact hole; and forming a transparent conductive film on the base substrate, and removing partial transparent conductive film to form a source contact portion, a drain contact portion, a pixel electrode and a bridge structure.Type: ApplicationFiled: September 20, 2014Publication date: October 13, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunping LONG, Jang Soon IM, Chien Hung LIU
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Patent number: 9449995Abstract: An array substrate and manufacturing method thereof and a display device are provided. The array substrate comprises a substrate (10) and a plurality of complementary thin film transistors provided on the substrate (10). The plurality of complementary thin film transistors comprise a first N-type thin film transistor (11) and a second P-type thin film transistor (12), and the first thin film transistor (11) is an oxide thin film transistor and the second thin film transistor (12) is a poly-silicon thin film transistor. The method of manufacturing the array substrate simplifies the manufacturing process and reduces production difficulty and cost.Type: GrantFiled: May 13, 2014Date of Patent: September 20, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon Im
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Publication number: 20160268139Abstract: A method for manufacturing an array substrate, a film-etching monitoring and a film-etching monitoring device. The monitoring method comprises: monitoring and recording the transmittance reference value of a film after a film pattern is formed; and monitoring the transmittance present value of the film in real time in the process of etching an overcoating layer to form a through hole after the overcoating layer is formed on the film pattern, and monitoring the etching degree of the film by determining the variation between the transmittance present value and the transmittance reference value. The device comprises a plurality of light sources (3) and a plurality of light-sensitive probes (4) disposed in the chamber. The light sources (3) are configured to irradiate the film on a substrate; and the light-sensitive probes (4) are configured to sense the transmittance of the film.Type: ApplicationFiled: May 23, 2014Publication date: September 15, 2016Inventors: Zheng LIU, Jang Soon IM
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Publication number: 20160181289Abstract: An array substrate and manufacturing method thereof, a display device, a thin film transistor and manufacturing method thereof are provided.Type: ApplicationFiled: September 23, 2014Publication date: June 23, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunping LONG, Zheng LIU, Zuqiang WANG, Jang Soon IM
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Patent number: 9373669Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: GrantFiled: July 31, 2015Date of Patent: June 21, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeon-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jang-Soon Im
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Patent number: 9349870Abstract: A method for forming low-temperature polysilicon thin film, a thin film transistor and a display device are provided. The method for forming low-temperature polysilicon thin film comprises: depositing an amorphous silicon thin film on a base substrate; covering the amorphous silicon thin film with an anti-reflective optical film; performing photolithography and etching on the anti-reflective optical film such that light condensing structures are provided in an array on the anti-reflective optical film; and irradiating the amorphous silicon thin film with the anti-reflective optical film covered by laser light such that the amorphous silicon film is converted into the low-temperature polysilicon thin film.Type: GrantFiled: December 10, 2013Date of Patent: May 24, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTDInventors: Lei Wang, Xueyan Tian, Jang Soon Im
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Patent number: 9251737Abstract: A pixel circuit, display panel and display apparatus are provided. The pixel circuit comprises a driving sub-circuit, whose first terminal is connected with first reference voltage source via power supply lead, and second terminal is connected with first terminal of a light emitting device; a charging sub-circuit, whose output terminal is connected with third terminal of the driving sub-circuit, which is configured to charge the driving sub-circuit before the driving sub-circuit drives the light emitting device to emit light; and a compensation sub-circuit, whose first terminal is connected with second terminal of the light emitting device, second terminal is connected with second reference voltage source, which is configured to compensate for voltage drop on the power supply lead of voltage which is provided to the driving sub-circuit from the first reference voltage source, so as to raise the uniformity of display brightness within display area of the panel.Type: GrantFiled: December 5, 2013Date of Patent: February 2, 2016Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liang Sun, Jang Soon Im, Lujiang Huangfu
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Publication number: 20160013212Abstract: A complementary thin film transistor drive back-plate and manufacturing method thereof, a display panel.Type: ApplicationFiled: June 30, 2014Publication date: January 14, 2016Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon IM
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Publication number: 20150340417Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. Additionally disclosed is a method of manufacturing an organic light-emitting display device. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT.Type: ApplicationFiled: July 31, 2015Publication date: November 26, 2015Inventors: Hyun-Joong CHUNG, Jin-Seong PARK, Jong-Han JEONG, Jae-Kyeong JEONG, Yeon-Gon MO, Min-Kyu KIM, Tae-Kyung AHN, Hui-Won YANG, Kwang-Suk KIM, Eun-Hyun KIM, Jae-Wook KANG, Jang-Soon IM
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Publication number: 20150325602Abstract: An array substrate and manufacturing method thereof and a display device are provided. The array substrate comprises a substrate (10) and a plurality of complementary thin film transistors provided on the substrate (10). The plurality of complementary thin film transistors comprise a first N-type thin film transistor (11) and a second P-type thin film transistor (12), and the first thin film transistor (11) is an oxide thin film transistor and the second thin film transistor (12) is a poly-silicon thin film transistor. The method of manufacturing the array substrate simplifies the manufacturing process and reduces production difficulty and cost.Type: ApplicationFiled: May 13, 2014Publication date: November 12, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon IM
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Publication number: 20150310807Abstract: A pixel circuit, a display panel and a display apparatus are configured to raise the uniformity of a display brightness within a display area of the display panel.Type: ApplicationFiled: December 5, 2013Publication date: October 29, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Liang SUN, Jang Soon IM, Lujiang HUANGFU
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Patent number: 9147772Abstract: Provided are a CMOS circuit structure, a preparation method thereof and a display device, wherein a PMOS region in the CMOS circuit structure is of a LTPS TFT structure, that is, the PMOS semiconductor layer is prepared from a P type doped polysilicon material; an NMOS region is of an Oxide TFT structure, that is, the NMOS semiconductor layer is made of an oxide material; three doping processes applied to the NMOS region during the LTPS process may be omitted in the case in which the NMOS semiconductor layer in the NMOS region is made of an oxide material instead of the polysilicon material, which may simplify the preparation of the CMOS circuit structure as well as reduce a production cost. Furthermore, it is only required to crystallizing the PMOS semiconductor layer, which may also extend the lifespan of laser tube, contributing to reduction of the production cost.Type: GrantFiled: December 11, 2013Date of Patent: September 29, 2015Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Jang Soon Im
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Patent number: 9105862Abstract: An organic light-emitting display device, which may be configured to prevent moisture or oxygen from penetrating the organic light-emitting display device from the outside is disclosed. An organic light-emitting display device, which is easily applied to a large display device and/or may be easily mass produced is further disclosed. An organic light-emitting display device may include, for example, a thin-film transistor (TFT) including a gate electrode, an active layer insulated from the gate electrode, source and drain electrodes insulated from the gate electrode and contacting the active layer and an insulating layer disposed between the source and drain electrodes and the active layer; and an organic light-emitting diode electrically connected to the TFT. The insulating layer may include, for example, a first insulating layer contacting the active layer; and a second insulating layer formed of a metal oxide and disposed on the first insulating layer.Type: GrantFiled: August 26, 2013Date of Patent: August 11, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-Joong Chung, Jin-Seong Park, Jong-Han Jeong, Jae-Kyeong Jeong, Yeong-Gon Mo, Min-Kyu Kim, Tae-Kyung Ahn, Hui-Won Yang, Kwang-Suk Kim, Eun-Hyun Kim, Jae-Wook Kang, Jang-Soon Im