Patents by Inventor Byoung-Sun Na
Byoung-Sun Na 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: 10261358Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: GrantFiled: November 27, 2017Date of Patent: April 16, 2019Assignee: Samsung Display Co., Ltd.Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
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Patent number: 10254578Abstract: A liquid crystal display device includes: a first substrate; a second substrate disposed opposite to the first substrate, where a display area and a non-display area are defined in each of the first and second substrates; a liquid crystal layer disposed between the first substrate and the second substrate; a common voltage line disposed in the non-display area of the first substrate; a light-shielding pattern disposed on the common voltage line and including an open portion, which at least partially exposes the common voltage line; and a dummy color layer disposed below the common voltage line and at least partially overlapping the open portion. The light-shielding pattern includes a first stepped portion disposed on a side of the open portion and a second stepped portion disposed on another side of the open portion, and the dummy color layer overlaps at least one of the first and second stepped portions.Type: GrantFiled: May 4, 2016Date of Patent: April 9, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Hee Shin, Dong Hyeon Ki, Bo Yeong Kim, Byoung Sun Na
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Patent number: 10228587Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: GrantFiled: November 27, 2017Date of Patent: March 12, 2019Assignee: Samsung Display Co., Ltd.Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
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Publication number: 20180348571Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.Type: ApplicationFiled: August 7, 2018Publication date: December 6, 2018Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
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Patent number: 10133137Abstract: A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.Type: GrantFiled: September 19, 2016Date of Patent: November 20, 2018Assignee: SAMSUNG DISPLAY CO., LTDInventors: Kyung-Ho Park, Bo-Yeong Kim, Jae-Won Kim, Byoung-Sun Na, Hyung-Jun Park, Dong-Hyun Yoo, Kye-Uk Lee
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Patent number: 10126606Abstract: A liquid crystal display panel includes a first gate line and a second gate line extending in a first direction, a first data line and a second data line extending in a second direction, a pixel region surrounded by the first and second gate lines and the first and second data lines, and a first sub pixel electrode and a second sub pixel electrode disposed in the pixel region, wherein the first sub pixel electrode includes a first pattern section and a second pattern section symmetrical with each other about the second direction serving as an axis, wherein the second sub pixel electrode includes a third pattern section having a same shape as that of either the first pattern section or the second pattern section, and a fourth pattern section having a shape different from those of both the first pattern section and the second pattern section, wherein the first sub pixel electrode and the second sub pixel electrode are electrically interconnected.Type: GrantFiled: December 3, 2015Date of Patent: November 13, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung Jun Park, Seong Young Lee, Youn Hak Jeong, Ki Pyo Hong, Byoung Sun Na, Kye Uk Lee
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Patent number: 10042199Abstract: One or more embodiments of the present invention are directed to a liquid crystal display including: a first substrate and a second substrate facing each other; a first color pixel area, a second color pixel area, a third color pixel area, and a white pixel area on any one of the first substrate and the second substrate; and a liquid crystal layer between the first substrate and the second substrate. A first color filter is disposed in each of the first color pixel area and the white pixel area, and each of the first, second, third, and white pixel areas includes a plurality of domains, each two adjacent domains having a boundary between them, and the first color filter is disposed at at least one of the boundaries between the domains in the white pixel area.Type: GrantFiled: July 30, 2015Date of Patent: August 7, 2018Assignee: Samsung Display Co., Ltd.Inventors: Seok Kyu Yoon, Eun Ju Kim, Hyung June Kim, Byoung Sun Na, Sung Jae Park, Yun Seok Lee, Ik Soo Lee, Jun Pyo Lee, Wan-Soon Im, Jong Hak Hwang
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Patent number: 9927661Abstract: A liquid crystal display includes: a first substrate on which a display area and a non-display area disposed around the display area are defined; a second substrate disposed opposite to the first substrate; a common electrode disposed on the second substrate; a common power supply line disposed in the non-display area of the first substrate to provide a common voltage; and a spacer disposed on the common power supply line to connect the common power supply line and the common electrode, where the spacer includes a conductive ball, and the conductive ball includes a heating solution.Type: GrantFiled: May 18, 2016Date of Patent: March 27, 2018Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Hyung Jun Park, Byoung Sun Na, Seon Kyoon Mok, Seong Young Lee, Hwan Young Jang
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Publication number: 20180081237Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: ApplicationFiled: November 27, 2017Publication date: March 22, 2018Inventors: Byoung Sun NA, Hee June KWAK, Seok Kyu YOON, Sang-Uk LIM, Seung Soo BAEK, Seong Young LEE, Wan-Soon IM
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Patent number: 9851600Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: GrantFiled: April 4, 2017Date of Patent: December 26, 2017Assignee: Samsung Display Co., Ltd.Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
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Patent number: 9734777Abstract: A display device that may be driven at both frequencies of 120 Hz and 240 Hz, includes a plurality of pixels arranged in a column direction and a row direction, a plurality of data lines connected with one of the pixels of a j-th row (‘j’ is a natural number) and one of the pixels of a (j+1)-th row in k-th column (‘k’ is a natural number), and connected with one of the pixels of a (j+2)-th row and one of the pixels of a (j+3)-th row in (k?1)-th column, a first gate circuit part configured to apply a gate signal to a (4m?3)-th gate line row (‘m’ is a natural number), a second gate circuit part configured to apply a gate signal to a (4m?2)-th gate line row, a third gate circuit part configured to apply a gate signal to a (4m?1)-th gate line row and a fourth gate circuit part configured to apply a gate signal to a 4m-th gate line row.Type: GrantFiled: December 31, 2014Date of Patent: August 15, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hyung-Jun Park, Byoung-Sun Na, Seong-Young Lee, Dong-Hyun Yoo
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Patent number: 9729146Abstract: A gate driving circuit including first through (N)th stages is provided. An (M)th stage of the first through (N)th stages includes a pull-up control part, a pull-up part, a carry holding part, a carry part, and a first pull-down part. The pull-up control part applies a second node signal of a second node to a first node in response to the second node signal. The pull-up part outputs a clock signal as an (M)th gate output signal in response to the first node signal. The carry holding part applies the (M)th gate output signal to the second node in response to the (M)th gate output signal. The carry part outputs the clock signal as an (M)th carry signal in response to the first node signal. The first pull-down part pulls down the (M)th gate output signal to a first off voltage.Type: GrantFiled: December 23, 2014Date of Patent: August 8, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Si-Hyun Ahn, Seung-Soo Baek, Byoung-Sun Na, Noboru Takeuchi
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Publication number: 20170205665Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: ApplicationFiled: April 4, 2017Publication date: July 20, 2017Inventors: Byoung Sun NA, Hee June KWAK, Seok Kyu YOON, Sang-Uk LIM, Seung Soo BAEK, Seong Young LEE, Wan-Soon IM
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Patent number: 9711098Abstract: A display apparatus includes a display panel comprising a plurality of gate lines connected to a plurality of pixel rows, a plurality of data lines connected to a plurality of a pixel columns, at least one dummy pixel row disposed in a peripheral area surrounding a display area in which the plurality of pixel rows and the plurality of a pixel columns are disposed, and at least one dummy gate line connected to the dummy pixel row and a data driver circuit configured to provide the dummy pixel row with a dummy data signal, the dummy data signal having a level that differs from a data signal of a pixel column adjacent to the dummy pixel row.Type: GrantFiled: May 22, 2015Date of Patent: July 18, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyung-Jun Park, Dong-Hyun Yoo, Seong-Young Lee, Byoung-Sun Na
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Patent number: 9632351Abstract: Provided are a liquid crystal display panel and a manufacturing method thereof, and more particularly, a liquid crystal display panel including white pixels and a manufacturing method thereof. The liquid crystal display panel includes: a first substrate and a second substrate facing each other; a liquid crystal layer positioned between the first substrate and the second substrate; a plurality of color filters positioned on the first substrate and representing different colors from each other, in which at least two of the plurality of color filters overlap with each other on the first substrate to form an overlapping portion, and the overlapping portion forms a first spacer; a transparent filter positioned on the first substrate and positioned in a transmitting area of a white pixel; and a second spacer including the same material as the transparent filter.Type: GrantFiled: December 12, 2014Date of Patent: April 25, 2017Assignee: Samsung Display Co., Ltd.Inventors: Byoung Sun Na, Hee June Kwak, Seok Kyu Yoon, Sang-Uk Lim, Seung Soo Baek, Seong Young Lee, Wan-Soon Im
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Publication number: 20170102578Abstract: A liquid crystal display device includes: a first substrate; a second substrate disposed opposite to the first substrate, where a display area and a non-display area are defined in each of the first and second substrates; a liquid crystal layer disposed between the first substrate and the second substrate; a common voltage line disposed in the non-display area of the first substrate; a light-shielding pattern disposed on the common voltage line and including an open portion, which at least partially exposes the common voltage line; and a dummy color layer disposed below the common voltage line and at least partially overlapping the open portion. The light-shielding pattern includes a first stepped portion disposed on a side of the open portion and a second stepped portion disposed on another side of the open portion, and the dummy color layer overlaps at least one of the first and second stepped portions.Type: ApplicationFiled: May 4, 2016Publication date: April 13, 2017Inventors: Dong Hee SHIN, Dong Hyeon KI, Bo Yeong KIM, Byoung Sun NA
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Publication number: 20170097533Abstract: A liquid crystal display includes: a first substrate on which a display area and a non-display area disposed around the display area are defined; a second substrate disposed opposite to the first substrate; a common electrode disposed on the second substrate; a common power supply line disposed in the non-display area of the first substrate to provide a common voltage; and a spacer disposed on the common power supply line to connect the common power supply line and the common electrode, where the spacer includes a conductive ball, and the conductive ball includes a heating solution.Type: ApplicationFiled: May 18, 2016Publication date: April 6, 2017Inventors: Hyung Jun PARK, Byoung Sun NA, Seon Kyoon MOK, Seong Young LEE, Hwan Young JANG
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Publication number: 20170003542Abstract: A liquid crystal display device includes upper and lower pixels; gate lines in electrical connection with the adjacent pixels and extending in a row direction, and data lines which cross the gate lines; and a reference voltage line including a vertical portion which passes through the adjacent pixels, and horizontal portions which alternately extend from the vertical portion. Each of the adjacent pixels includes first and second thin film transistors (TFTs) each in electrical connection with a gate line and a data line which correspond to a respective pixel; and a pixel electrode including a first subpixel electrode in connection with an output terminal of the first TFT, and a second subpixel electrode in connection with an output terminal of the second TFT. The horizontal portions of the reference voltage line are in electrical connection with the second subpixel electrodes of the adjacent pixels.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Inventors: Kyung-Ho PARK, Bo-Yeong KIM, Jae-Won KIM, Byoung-Sun NA, Hyung-Jun PARK, Dong-Hyun YOO, Kye-Uk LEE
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Publication number: 20160377930Abstract: A liquid crystal display panel includes a first gate line and a second gate line extending in a first direction, a first data line and a second data line extending in a second direction, a pixel region surrounded by the first and second gate lines and the first and second data lines, and a first sub pixel electrode and a second sub pixel electrode disposed in the pixel region, wherein the first sub pixel electrode includes a first pattern section and a second pattern section symmetrical with each other about the second direction serving as an axis, wherein the second sub pixel electrode includes a third pattern section having a same shape as that of either the first pattern section or the second pattern section, and a fourth pattern section having a shape different from those of both the first pattern section and the second pattern section, wherein the first sub pixel electrode and the second sub pixel electrode are electrically interconnected.Type: ApplicationFiled: December 3, 2015Publication date: December 29, 2016Inventors: Hyung Jun PARK, Seong Young LEE, Youn Hak JEONG, Ki Pyo HONG, Byoung Sun NA, Kye Uk LEE
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Patent number: 9495932Abstract: A substantially rectangular display panel includes a first edge extending in a first major axis direction of the rectangular shape and a second edge extending in a second major axis direction of the rectangular shape, the second direction being different from the first direction. The display panel includes: a plurality of gate lines extending in the first direction; and a gate lines driver including a plurality of main stages sequentially connected to each other and configured for outputting gate signals to the gate lines, where the plurality of stages further includes one or more dummy stages arranged in a row along the second edge and not connected to the plurality of gate lines, and where a layout arrangement of a plurality of thin film transistors included in the main stage is different from a corresponding layout arrangement of corresponding thin film transistors included in the at least one dummy stage.Type: GrantFiled: March 1, 2016Date of Patent: November 15, 2016Assignee: Samsung Display Co., Ltd.Inventors: Kee-Bum Park, Kyung Ho Kim, Hyuk-Jin Kim, Dong Hee Shin, Byoung Sun Na