Patents by Inventor Myoung-Kee Baek
Myoung-Kee Baek 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: 10811446Abstract: Disclosed are an array substrate and a manufacturing method therefor, a display panel and a display device, which are used for enabling a viewer to see a uniform reflective effect at various viewing angles, improving the display effect. The array substrate manufacturing method comprises: sequentially forming, on a passivation layer, a reflective layer and a transparent conductive layer, the reflective layer being electrically connected, by means of a via hole penetrating through the passivation layer, to a source electrode or a drain electrode of the thin film transistor, and the transparent conductive layer comprising several metal ions; performing reduction process on the transparent conductive layer, so that the metal ions are reduced, and a metal particle layer is formed; and performing patterning process on the transparent conductive layer and the reflective layer on which the steps above are completed, so as to form a pixel electrode.Type: GrantFiled: May 10, 2018Date of Patent: October 20, 2020Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Kui Gong, Xianxue Duan, Myoung Kee Baek
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Publication number: 20190288017Abstract: Disclosed are an array substrate and a manufacturing method therefor, a display panel and a display device, which are used for enabling a viewer to see a uniform reflective effect at various viewing angles, improving the display effect. The array substrate manufacturing method comprises: sequentially forming, on a passivation layer, a reflective layer and a transparent conductive layer, the reflective layer being electrically connected, by means of a via hole penetrating through the passivation layer, to a source electrode or a drain electrode of the thin film transistor, and the transparent conductive layer comprising several metal ions; performing reduction process on the transparent conductive layer, so that the metal ions are reduced, and a metal particle layer is formed; and performing patterning process on the transparent conductive layer and the reflective layer on which the steps above are completed, so as to form a pixel electrode.Type: ApplicationFiled: May 10, 2018Publication date: September 19, 2019Inventors: Kui GONG, Xianxue DUAN, Myoung Kee BAEK
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Patent number: 10139939Abstract: An optical touch screen and a display device are disclosed. The optical touch screen (200) comprises an optical touch panel (210) and a first sensor (220) and a second sensor (230). The optical touch panel (210) comprises a first optical transmission channel (211) and a second optical transmission channel (212) which are intersected with each other. The first sensor (220) is disposed on at least one end of the first optical transmission channel (211) and configured to receive light emitted by the first optical transmission channel (211). The second sensor (230) is disposed on at least one end of the second optical transmission channel (212) and configured to receive light emitted by the second optical transmission channel (212). The optical touch screen and the display device can improve the positioning accuracy of the touch position.Type: GrantFiled: July 17, 2014Date of Patent: November 27, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Bozhu Zhou, Myoung Kee Baek, Xianxue Duan, Cheng Chen, Chengshao Yang, Binbin Cao
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Patent number: 9324276Abstract: Disclosed herein are a liquid crystal display device including a photosensor for sensing brightness of external light such that the photosensor can stably sense the external light without influence of temperature or external noise, and a method for automatically controlling the brightness, the liquid crystal display device includes a liquid crystal panel having a display area and a non-display area defined therein and including first and second substrates facing each other and a liquid crystal layer filled between the first and second substrates, the first substrate having an outer portion protruding from the second substrate, a gate driver and a data driver formed in the non-display area of the first substrate, a photosensor formed in the outer portion of the first substrate, a dummy sensor formed in the non-display area of the first substrate covered by the second substrate, a backlight unit formed below the liquid crystal panel, and a control unit including a timing controller for controlling the gate drivType: GrantFiled: December 8, 2010Date of Patent: April 26, 2016Assignee: LG Display Co., Ltd.Inventor: Myoung Kee Baek
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Publication number: 20150277641Abstract: An optical touch screen and a display device are disclosed. The optical touch screen (200) comprises an optical touch panel (210) and a first sensor (220) and a second sensor (230). The optical touch panel (210) comprises a first optical transmission channel (211) and a second optical transmission channel (212) which are intersected with each other. The first sensor (220) is disposed on at least one end of the first optical transmission channel (211) and configured to receive light emitted by the first optical transmission channel (211). The second sensor (230) is disposed on at least one end of the second optical transmission channel (212) and configured to receive light emitted by the second optical transmission channel (212). The optical touch screen and the display device can improve the positioning accuracy of the touch position.Type: ApplicationFiled: July 17, 2014Publication date: October 1, 2015Inventors: Bozhu Zhou, Myoung Kee Baek, Xianxue Duan, Cheng Chen, Chengshao Yang, Binbin Cao
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Patent number: 8502333Abstract: A display device and a fabricating method of the same are disclosed.Type: GrantFiled: December 7, 2010Date of Patent: August 6, 2013Assignee: LG Display Co., Ltd.Inventor: Myoung-Kee Baek
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Patent number: 8154704Abstract: A method for repairing a liquid crystal display. The method includes preparing a liquid crystal panel including a signal pad part and a repair pad part connected to signal lines; testing a driving circuit connected to the signal pad part on the liquid crystal panel; opening signal links connecting the signal lines and the signal pad part, connected to the driving circuit, if the driving circuit is detected in a defect as a result of the test; and mounting a repair driving circuit to be connected to the repair signal pad part on the liquid crystal panel.Type: GrantFiled: December 11, 2008Date of Patent: April 10, 2012Assignee: LG Display Co., Ltd.Inventors: Myoung Kee Baek, Kwang Ho Jang
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Patent number: 8064034Abstract: A fabrication method of a liquid crystal display device uses a printing method which forms a pattern of a wider effective line width such as a gate line, a data line, a passivation layer, a pixel electrode, etc. constituting an LCD device. The inventive lithography process uses a mask that is applied at the time of forming a channel region having a narrow effective line width. Accordingly, the amount of resist used may be reduced, and the fabrication process can be simplified. This printing method can be used to fabricate a color filter substrate of an LCD device.Type: GrantFiled: April 1, 2004Date of Patent: November 22, 2011Assignee: LG Display Co., Ltd.Inventors: Heung-Lyul Cho, Soon-Sung Yoo, Young-Gyoung Chang, Myoung-Kee Baek, Kwon-Shik Park
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Patent number: 8045081Abstract: A liquid crystal display device comprises a liquid crystal panel including first and second substrates bonded to each other with a liquid crystal layer positioned therebetween, and the photosensor, formed on the second substrate, for sensing an external light from the surroundings, wherein the photosensor includes a semiconductor layer formed on the second substrate and provided with n+-type ion implantation region, ion non-implantation region and lightly doped region; an insulation film, formed on the second substrate, for covering the semiconductor layer; a passivation film, formed on the second substrate, for covering the insulation film; a first contact hole passing through the insulation film and the passivation film, to expose source and drain regions of the semiconductor layer; source and drain electrodes connected with the source and drain regions of the semiconductor layer through the first contact hole; an ion implanting prevention film formed on the insulation film and overlapped with the ion non-iType: GrantFiled: July 8, 2010Date of Patent: October 25, 2011Assignee: LG Display Co., Ltd.Inventors: Kyung Eon Lee, Myoung Kee Baek, Han Wook Hwang
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Patent number: 8027009Abstract: A liquid crystal display device and a method of manufacturing the same are disclosed. The liquid crystal display device includes a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines; at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads; and a conductive film to electrically connect the driving circuit and the gate pads or data pads.Type: GrantFiled: December 8, 2008Date of Patent: September 27, 2011Assignee: LG Display Co., Ltd.Inventors: Myoung Kee Baek, Kwang Ho Jang
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Publication number: 20110147748Abstract: A display device and a fabricating method of the same are disclosed.Type: ApplicationFiled: December 7, 2010Publication date: June 23, 2011Inventor: Myoung-Kee BAEK
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Publication number: 20110148834Abstract: Disclosed herein are a liquid crystal display device including a photosensor for sensing brightness of external light such that the photosensor can stably sense the external light without influence of temperature or external noise, and a method for automatically controlling the brightness, the liquid crystal display device includes a liquid crystal panel having a display area and a non-display area defined therein and including first and second substrates facing each other and a liquid crystal layer filled between the first and second substrates, the first substrate having an outer portion protruding from the second substrate, a gate driver and a data driver formed in the non-display area of the first substrate, a photosensor formed in the outer portion of the first substrate, a dummy sensor formed in the non-display area of the first substrate covered by the second substrate, a backlight unit formed below the liquid crystal panel, and a control unit including a timing controller for controlling the gate drivType: ApplicationFiled: December 8, 2010Publication date: June 23, 2011Inventor: Myoung Kee Baek
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Publication number: 20100330713Abstract: A liquid crystal display device comprises a liquid crystal panel including first and second substrates bonded to each other with a liquid crystal layer positioned therebetween, and the photosensor, formed on the second substrate, for sensing an external light from the surroundings, wherein the photosensor includes a semiconductor layer formed on the second substrate and provided with n+-type ion implantation region, ion non-implantation region and lightly doped region; an insulation film, formed on the second substrate, for covering the semiconductor layer; a passivation film, formed on the second substrate, for covering the insulation film; a first contact hole passing through the insulation film and the passivation film, to expose source and drain regions of the semiconductor layer; source and drain electrodes connected with the source and drain regions of the semiconductor layer through the first contact hole; an ion implanting prevention film formed on the insulation film and overlapped with the ion non-iType: ApplicationFiled: July 8, 2010Publication date: December 30, 2010Applicant: LG Display Co., Ltd.Inventors: Kyung Eon LEE, Myoung Kee Baek, Han Wook Hwang
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Patent number: 7787098Abstract: A manufacturing method of a liquid crystal display device includes forming a gate line and a data line on a substrate with the gate and data lines crossing each other to define a pixel region; forming a thin film transistor at a crossing portion of the gate and data lines; forming a passivation layer on the substrate and the thin film transistor; forming a transparent conductive layer on the passivation layer; forming a first photosensitive layer on a portion of the transparent conductive layer over the thin film transistor; forming a second photosensitive layer on the transparent conductive layer and the first photosensitive layer; patterning the second photosensitive layer and the first photosensitive layer to form a photosensitive pattern and a columnar spacer exposing a portion of the transparent conductive layer; forming a pixel electrode by patterning the transparent conductive layer exposed by the photosensitive pattern and the columnar spacer; and removing the photosensitive pattern.Type: GrantFiled: June 29, 2005Date of Patent: August 31, 2010Assignee: LG Display Co., Ltd.Inventor: Myoung-Kee Baek
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Patent number: 7787065Abstract: A liquid crystal display device comprises a liquid crystal panel including first and second substrates bonded to each other with a liquid crystal layer positioned therebetween, and the photosensor, formed on the second substrate, for sensing an external light from the surroundings, wherein the photosensor includes a semiconductor layer formed on the second substrate and provided with n+-type ion implantation region, ion non-implantation region and lightly doped region; an insulation film, formed on the second substrate, for covering the semiconductor layer; a passivation film, formed on the second substrate, for covering the insulation film; a first contact hole passing through the insulation film and the passivation film, to expose source and drain regions of the semiconductor layer; source and drain electrodes connected with the source and drain regions of the semiconductor layer through the first contact hole; an ion implanting prevention film formed on the insulation film and overlapped with the ion non-iType: GrantFiled: December 19, 2007Date of Patent: August 31, 2010Assignee: LG Display Co., Ltd.Inventors: Kyung Eon Lee, Myoung Kee Baek, Han Wook Hwang
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Publication number: 20090295766Abstract: A method for repairing a liquid crystal display. The method includes preparing a liquid crystal panel including a signal pad part and a repair pad part connected to signal lines; testing a driving circuit connected to the signal pad part on the liquid crystal panel; opening signal links connecting the signal lines and the signal pad part, connected to the driving circuit, if the driving circuit is detected in a defect as a result of the test; and mounting a repair driving circuit to be connected to the repair signal pad part on the liquid crystal panel.Type: ApplicationFiled: December 11, 2008Publication date: December 3, 2009Inventors: Myoung Kee Baek, Kwang Ho Jang
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Publication number: 20090279011Abstract: A liquid crystal display device and a method of manufacturing the same are disclosed. The liquid crystal display device includes a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines; at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads; and a conductive film to electrically connect the driving circuit and the gate pads or data pads.Type: ApplicationFiled: December 8, 2008Publication date: November 12, 2009Inventors: Myoung Kee Baek, Kwang Ho Jang
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Patent number: 7569153Abstract: A method for forming a pattern includes forming a resist pattern on a printing roll, printing a multi-stepped resist pattern on an etching object layer formed on a substrate by using the printing roll and etching the etching object layer by using the printed resist pattern as a mask.Type: GrantFiled: April 25, 2003Date of Patent: August 4, 2009Assignee: LG Display Co., Ltd.Inventors: Myoung Kee Baek, Yong-Jin Cho, Kwon Shik Park
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Patent number: 7520220Abstract: A printing apparatus of the present invention includes a mother cliché having a plurality of sub-clichés and where a groove for a printing pattern is formed at each of the sub-clichés, a substrate for obtaining panels that correspond to the plurality of sub-clichés, respectively, and a printing means for printing the substrate using the mother cliché.Type: GrantFiled: September 7, 2004Date of Patent: April 21, 2009Assignee: LG Display Co., Ltd.Inventor: Myoung Kee Baek
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Patent number: 7452567Abstract: A method for fabricating a color filter of an LCD device includes: providing a cliché having a plurality of grooves; filling Red, Green and Blue colored inks into the grooves of the cliché; and repositioning the Red, Green and Blue colored inks onto a substrate of the LCD device.Type: GrantFiled: April 25, 2003Date of Patent: November 18, 2008Assignee: LG Display Co., Ltd.Inventors: Myoung Kee Baek, Kwon Shik Park