Patents by Inventor Tae-Hyung Hwang
Tae-Hyung Hwang 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: 9853060Abstract: A TFT substrate including a base substrate that includes a plurality of pixel areas; a gate line on the base substrate and extending in a first direction; a data line on the gate line and extending in a second direction; a TFT connected to the gate line and the data line, the TFT including a gate electrode, a semiconductor pattern, and source and drain electrodes, the semiconductor pattern overlapping the gate electrode, the source electrode and the drain electrode overlapping the semiconductor pattern, and the drain electrode being spaced apart from the source electrode; an inorganic insulating pattern covering the data line, the inorganic insulating pattern including an opening aligned with the pixel areas; a shielding electrode overlapping the data line, the shielding electrode on the inorganic insulating pattern; and a pixel electrode on the pixel areas, the pixel electrode being electrically connected to the drain electrode through a first contact hole.Type: GrantFiled: May 8, 2015Date of Patent: December 26, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae-Hyung Hwang, Won-Ho Kim, Seong-Su Lim
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Patent number: 9740058Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a first electrode and a second electrode disposed on the first substrate; a third electrode and a fourth electrode disposed on the second substrate; and a liquid crystal layer injected between the first substrate and the second substrate and including a plurality of liquid crystal molecules, where the second electrode extends substantially in a first direction, the third electrode extends substantially in a second direction, and the first direction and the second direction are perpendicular to each other.Type: GrantFiled: November 21, 2014Date of Patent: August 22, 2017Assignees: SAMSUNG DISPLAY CO., LTD., PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATIONInventors: Tae Hyung Hwang, Seong Su Lim, Jung Wook Kim, Tae Hoon Yoon
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Publication number: 20170162140Abstract: A liquid-crystal display device is provided. The liquid-crystal display device includes super-pixels, each of the super-pixels including a first pixel, a second pixel and a third pixel arranged in a first row, and a fourth pixel arranged in a second row, and first and second data lines extending in a column direction, wherein a width of the fourth pixel is equal to a sum of widths of the first to third pixels, each of the first to fourth pixels is connected to one of the first and second data lines, each of the first data lines is disposed adjacent to one side of the first pixel, and each of the second data lines is disposed between the second pixel and the third pixel.Type: ApplicationFiled: November 21, 2016Publication date: June 8, 2017Inventors: Sung Man KIM, Jun Ho SONG, Tae Hyung HWANG
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Publication number: 20170160609Abstract: A liquid crystal display device includes a pixel electrode that includes a first central portion and a first stem portion and sequentially disposed on one side of a reference line extending in a first direction, and a second central portion and a second stem portion sequentially disposed on the other side, where the first stem portion extends at a first oblique angle in which a center line of a line width has a positive sign with respect to the first direction, the first central portion extends from one end of the first stem portion and has a shape in which a center line of the line width is inclined at a second oblique angle having a positive sign with respect to the first direction, and a line width of the first central portion is smaller than the line width of the first stem portion.Type: ApplicationFiled: June 24, 2016Publication date: June 8, 2017Inventors: Ji Eun LEE, Sung Man KIM, Won Ho KIM, Tae Hyung HWANG
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Publication number: 20170115542Abstract: A display device may include a pixel electrode, a transistor, a first gate line, a second gate line, and a third gate line. The transistor may be electrically connected to the pixel electrode. The first gate line may be electrically connected to the transistor. The second gate line may extend not parallel to the first gate line. The third gate line may overlap the pixel electrode and may extend not parallel to the first gate line. The second gate line or the third gate line may be electrically connected to the first gate line. The pixel electrode may be partially positioned between the second gate line and the third gate line in a plan view of the display device.Type: ApplicationFiled: August 23, 2016Publication date: April 27, 2017Inventors: Hwa Yeul OH, Sung Man KIM, Min Chul SONG, Seong Su LIM, Tae Hyung HWANG
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Publication number: 20170102591Abstract: A liquid crystal display device includes a first substrate, a second substrate disposed opposite to the first substrate, where a plurality of pixel regions is defined in the first or second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a pixel electrode including: a body portion disposed in a pixel region on the first substrate, where a slit is defined in the body portion; an extension disposed on the first substrate near a boundary line of the pixel region to be spaced apart from the body portion and extending in a first direction, where an opening is defined between the body portion and the extension bar and extends in the first direction; and a connection electrode disposed on the first substrate and which electrically connects the body portion and the extension bar.Type: ApplicationFiled: May 5, 2016Publication date: April 13, 2017Inventors: Su Jung HUH, Yeon Mun JEON, Tae Hyung HWANG
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Patent number: 9595542Abstract: A thin film transistor array panel includes a first insulation substrate, a gate line and a data line which are positioned on the first insulation substrate, are insulated from each other, and cross each other, a thin film transistor connected to the gate line and the data line, an organic film positioned on the thin film transistor, a second passivation layer which is positioned on the organic film and defines a plurality of second openings therein, a common electrode positioned on the second passivation layer, and a pixel electrode positioned in the plurality of second openings, where a thickness of the common electrode is larger than a thickness of the pixel electrode.Type: GrantFiled: December 15, 2013Date of Patent: March 14, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Ki Hwang, Sung Man Kim, Won Ho Kim, Yu Jin Lee, Young Je Cho, Tae Hyung Hwang
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Patent number: 9477105Abstract: The inventive concept relates to a display device in which luminance of a light source is corrected, and the display device according to an exemplary embodiment of the inventive concept includes: a display panel displaying an image; a light source unit supplying light to the display panel; a light sensing unit embeded in the display panel and sensing a light intensity from the light source unit; and a light source controller receiving information regarding the light intensity from the light sensing unit to control a light intensity from the light source unit, wherein the light sensing unit includes a light sensing layer, and a first electrode and a second electrode formed on either side of the light sensing layer in a plan view.Type: GrantFiled: August 6, 2014Date of Patent: October 25, 2016Assignee: Samsung Display Co., Ltd.Inventors: Tae Hyung Hwang, Won Ho Kim, Young Jin Park, Seong Su Lim
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Patent number: 9459444Abstract: An electrowetting display device includes a first base substrate, a second base substrate facing the first base substrate, an electrowetting layer that includes a first fluid and an electrically conducting second fluid that are immiscible with each other, black partition walls disposed on the first base substrate to partition a display area into pixel areas, and an electronic device that applies a voltage to the electrowetting layer to control the electrowetting layer. The partition walls restrict a flow of at least one of the first fluid or the second fluid.Type: GrantFiled: December 3, 2012Date of Patent: October 4, 2016Assignee: Amazon Technologies, Inc.Inventor: Tae Hyung Hwang
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Publication number: 20160170198Abstract: An electrowetting display device includes first and second barrier layers which cover first and second electrodes. The electrowetting display device includes a first base substrate which faces a second base substrate, the first electrode on the first base substrate, the first barrier layer which covers the first electrode, the second electrode on the second base substrate, the second barrier layer which covers the second electrode, a barrier wall between the first base substrate and the second base substrate, and an electrowetting layer between the first base substrate and the second base substrate. The barrier wall defines a pixel area corresponding to the first electrode, and the electrowetting layer is in the pixel area. The electrowetting layer includes a polar fluid and a non-polar fluid which are separated from each other.Type: ApplicationFiled: January 21, 2016Publication date: June 16, 2016Inventors: Tae Woo LIM, Keunkyu SONG, Jihoon YANG, Tae Hyung HWANG
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Publication number: 20160126256Abstract: A TFT substrate including a base substrate that includes a plurality of pixel areas; a gate line on the base substrate and extending in a first direction; a data line on the gate line and extending in a second direction; a TFT connected to the gate line and the data line, the TFT including a gate electrode, a semiconductor pattern, and source and drain electrodes, the semiconductor pattern overlapping the gate electrode, the source electrode and the drain electrode overlapping the semiconductor pattern, and the drain electrode being spaced apart from the source electrode; an inorganic insulating pattern covering the data line, the inorganic insulating pattern including an opening aligned with the pixel areas; a shielding electrode overlapping the data line, the shielding electrode on the inorganic insulating pattern; and a pixel electrode on the pixel areas, the pixel electrode being electrically connected to the drain electrode through a first contact hole.Type: ApplicationFiled: May 8, 2015Publication date: May 5, 2016Inventors: Tae-Hyung HWANG, Won-Ho KIM, Seong-Su LIM
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Patent number: 9244267Abstract: An electrowetting display device includes first and second barrier layers which cover first and second electrodes. The electrowetting display device includes a first base substrate which faces a second base substrate, the first electrode on the first base substrate, the first barrier layer which covers the first electrode, the second electrode on the second base substrate, the second barrier layer which covers the second electrode, a barrier wall between the first base substrate and the second base substrate, and an electrowetting layer between the first base substrate and the second base substrate. The barrier wall defines a pixel area corresponding to the first electrode, and the electrowetting layer is in the pixel area. The electrowetting layer includes a polar fluid and a non-polar fluid which are separated from each other.Type: GrantFiled: February 11, 2013Date of Patent: January 26, 2016Assignee: Amazon Technologies, Inc.Inventors: Tae Woo Lim, Keunkyu Song, Jihoon Yang, Tae Hyung Hwang
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Patent number: 9217858Abstract: A display substrate including a base substrate, a plurality of pixel electrodes and a plurality of sub pixel electrodes. The pixel electrodes are formed on the base substrate, are spaced apart from each other, and are electrically connected with a plurality of transistors, respectively. The sub pixel electrodes are disposed between the pixel electrodes, and are electrically connected with a thin-film transistor (TFT). Thus, quality of an image displayed by the display apparatus may be enhanced.Type: GrantFiled: May 11, 2012Date of Patent: December 22, 2015Assignee: Samsung Display Co., Ltd.Inventors: Tae-Hyung Hwang, Joo-Han Bae, Joon-Youp Kim
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Patent number: 9207479Abstract: A display panel is provided. The display panel includes a plurality of signal lines and a plurality of pixels disposed on a first substrate, wherein each pixel is connected to a corresponding signal line. Each pixel includes a first electrode and a second electrode configured to form an electric field with the first electrode, a first dielectric layer disposed between the first electrode and the second electrode, and a second dielectric layer disposed between the first electrode and the second electrode. The first dielectric layer includes a ferroelectric material and the second dielectric layer includes a paraelectric material.Type: GrantFiled: March 3, 2014Date of Patent: December 8, 2015Assignee: Samsung Display Co., Ltd.Inventors: Won Ho Kim, Tae Hyung Hwang, Youngjin Park, Seongsu Lim
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Publication number: 20150277171Abstract: The inventive concept relates to a display device in which luminance of a light source is corrected, and the display device according to an exemplary embodiment of the inventive concept includes: a display panel displaying an image; a light source unit supplying light to the display panel; a light sensing unit embeded in the display panel and sensing a light intensity from the light source unit; and a light source controller receiving information regarding the light intensity from the light sensing unit to control a light intensity from the light source unit, wherein the light sensing unit includes a light sensing layer, and a first electrode and a second electrode formed on either side of the light sensing layer in a plan view.Type: ApplicationFiled: August 6, 2014Publication date: October 1, 2015Inventors: Tae Hyung HWANG, Won Ho KIM, Young Jin PARK, Seong Su LIM
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Publication number: 20150185563Abstract: A display device includes: a first substrate; a second substrate disposed opposite to the first substrate; a first electrode and a second electrode disposed on the first substrate; a third electrode and a fourth electrode disposed on the second substrate; and a liquid crystal layer injected between the first substrate and the second substrate and including a plurality of liquid crystal molecules, where the second electrode extends substantially in a first direction, the third electrode extends substantially in a second direction, and the first direction and the second direction are perpendicular to each other.Type: ApplicationFiled: November 21, 2014Publication date: July 2, 2015Inventors: Tae Hyung HWANG, Seong Su LIM, Jung Wook KIM, Tae Hoon YOON
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Publication number: 20150131037Abstract: A liquid crystal display according to an exemplary embodiment of the invention includes: a first type pixel including first liquid crystal molecules aligned approximately in a first direction; a second type pixel including second liquid crystal molecules aligned approximately in a second direction different from the first direction; a first lower polarizer disposed opposite to the first type pixel and having a transmissive axis approximately parallel to the first direction; and a second lower polarizer disposed opposite to the second type pixel and having a transmissive axis approximately parallel to the second direction.Type: ApplicationFiled: April 29, 2014Publication date: May 14, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Won Ho KIM, Tae Hyung HWANG, Young Jin PARK, Seong Su LIM, Young Je CHO
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Publication number: 20150103064Abstract: A method of driving a display panel includes applying a common voltage and a bias voltage to two of a first electrode, a second electrode and a third electrode of the display panel to form a vertical field during a period during which the display panel displays an image, and applying a data voltage based on a grayscale of the image to one of the first and second electrodes to form an in-plane field during the period during which the display panel displays the image, where the display panel includes a first substrate including the first electrode, the second electrode which overlaps the first electrode and a transistor connected to one of the first and second electrodes, and a second substrate disposed opposite to the first substrate and including the third electrode.Type: ApplicationFiled: April 3, 2014Publication date: April 16, 2015Applicants: Pusan National University Industry-University Cooperation Foundation, Samsung Display Co., LTD.Inventors: Tae-Hyung HWANG, Seong-Su LIM, Jung-Wook KIM, Tae-Hoon YOON
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Publication number: 20150060866Abstract: A thin film transistor array panel includes a first insulation substrate, a gate line and a data line which are positioned on the first insulation substrate, are insulated from each other, and cross each other, a thin film transistor connected to the gate line and the data line, an organic film positioned on the thin film transistor, a second passivation layer which is positioned on the organic film and defines a plurality of second openings therein, a common electrode positioned on the second passivation layer, and a pixel electrode positioned in the plurality of second openings, where a thickness of the common electrode is larger than a thickness of the pixel electrode.Type: ApplicationFiled: December 15, 2013Publication date: March 5, 2015Applicant: Samsung Display Co., Ltd.Inventors: Hyun Ki HWANG, Sung Man KIM, Won Ho KIM, Yu Jin LEE, Young Je CHO, Tae Hyung HWANG
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Publication number: 20150055073Abstract: A display panel is provided. The display panel includes a plurality of signal lines and a plurality of pixels disposed on a first substrate, wherein each pixel is connected to a corresponding signal line. Each pixel includes a first electrode and a second electrode configured to form an electric field with the first electrode, a first dielectric layer disposed between the first electrode and the second electrode, and a second dielectric layer disposed between the first electrode and the second electrode. The first dielectric layer includes a ferroelectric material and the second dielectric layer includes a paraelectric material.Type: ApplicationFiled: March 3, 2014Publication date: February 26, 2015Applicant: Samsung Display Co., Ltd.Inventors: WON HO KIM, TAE HYUNG HWANG, YOUNGJIN PARK, SEONGSU LIM