Patents by Inventor Seong-Young Lee
Seong-Young Lee 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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Publication number: 20210397056Abstract: A display device includes a substrate, a scan line disposed on the substrate, a storage line parallel to the scan line and a data line intersecting the scan line and the storage line. First and second transistors are electrically connected to the scan line and the data line. A first pixel electrode is disposed on the first transistor and includes a first stem portion, a first contact portion and a first branch portion. The first branch portion electrically connects the first contact portion to the first stem portion, a second pixel electrode is disposed on the second transistor and includes a second stem portion, a second contact portion and a second branch portion. The second branch portion electrically connects the second contact portion to the second stem portion. A first pattern is disposed between the substrate and the second pixel electrode. The first pattern overlaps the second branch portion.Type: ApplicationFiled: March 15, 2021Publication date: December 23, 2021Inventors: Soo Hong CHEON, Seong Young LEE, Yong Hee LEE
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Publication number: 20210335841Abstract: Embodiments of the current disclosure to provide a display device which can reduce the number of intersections of scan lines and data lines. According to an embodiment of the disclosure, a display device comprises: a substrate; scan lines extending along a first direction; data lines extending along a second direction that intersect the first direction; a first switching element; a first pixel electrode connected to a first source electrode of the first switching element; a second switching element; and a second pixel electrode connected to a second source electrode of the second switching element. The first pixel electrode and the second pixel electrode are disposed along the second direction, and a first source electrode and a first drain electrode of the first switching element extend along the second direction in an area overlapping a first active layer of the first switching element.Type: ApplicationFiled: December 2, 2020Publication date: October 28, 2021Inventors: Seong Young LEE, Kyung Ho KIM, Ki Won PARK, Soo Hong CHEON
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Patent number: 11067859Abstract: A liquid crystal display device may include a gate line, a data line, a storage electrode set, a transistor, a pixel electrode, and repair member. The gate line may transmit a gate signal. The data line may transmit a data signal. The transistor may include a gate electrode connected to the gate line, a source electrode connected to the data line, and a drain electrode connected to the pixel electrode. The drain electrode and the storage electrode set may overlap each other and form a storage capacitor. The repair member may be formed of an electrically conductive material, may be electrically insulated from each of the drain electrode and the data line, and may overlap the storage electrode set.Type: GrantFiled: March 29, 2019Date of Patent: July 20, 2021Inventors: Yoo Mi Ra, Seong Young Lee, Kyung Ho Kim, Na Hyeon Cha
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Publication number: 20210215960Abstract: A liquid crystal display device includes a substrate, first through third thin-film transistors (“TFTs”) disposed on the substrate, and first and second sub-pixel electrodes disposed above the first through third TFTs. The second and third TFTs share a single output terminal as their output terminals, the first sub-pixel electrode is electrically connected to an output terminal of the first TFT, and the second sub-pixel electrode is electrically connected to the single output terminal of the second and third TFTs.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: Kye Uk LEE, Ja Yong KOO, Kee Bum PARK, Jae Yong SHIN, Seong Young LEE, Seul Bee LEE, Woong LEE
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Patent number: 11054706Abstract: A display device includes: a substrate; a gate line disposed on the substrate and configured to transmit a gate signal; a reference voltage line disposed apart from the gate line and configured to transmit a reference voltage; an insulation layer disposed on the gate line and the reference voltage line; a pixel electrode layer including: a first sub-pixel electrode disposed on the insulation layer and located at a first side with reference to the gate line; and a second sub-pixel electrode disposed on the insulation layer and located at a second side opposite to the first side with reference to the gate line; and a conductive shield portion disposed on the gate line, wherein the gate line includes two parallel edges, an edge closer to the reference voltage line among the two parallel edges including a first edge, and wherein the conductive shield portion overlaps the first edge.Type: GrantFiled: April 5, 2019Date of Patent: July 6, 2021Assignee: Samsung Display Co., Ltd.Inventors: Yong Hee Lee, Seong Young Lee, Kyung Ho Kim, Seung Min Lee, Na Hyeon Cha
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Patent number: 10976628Abstract: A display device includes: a gate line (GL); a semiconductor pattern (SP) on the GL; a data line (DL); a voltage division reference line (VDRL); and first to third switching elements (SWE) overlapping the SP. The first SWE includes a first source electrode (SE) connected to the DL, a first drain electrode (DE) spaced apart from the first SE, and a first gate electrode (GE) connected to the GL. The second SWE includes a second SE connected to the DL, a second DE spaced apart from the second SE, and a second GE connected to the GL. The third SWE includes a third SE connected to the VDRL, a third DE connected to the second SE, and a third GE connected to the GL. The first SE, the first DE, the second SE, and the second DE are sequentially arranged across and on the SP in a first direction.Type: GrantFiled: December 31, 2018Date of Patent: April 13, 2021Assignee: Samsung Display Co., Ltd.Inventors: Kyung Ho Kim, Byoung Sun Na, Seong Young Lee
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Patent number: 10962852Abstract: A liquid crystal display device includes a substrate, first through third thin-film transistors (“TFTs”) disposed on the substrate, and first and second sub-pixel electrodes disposed above the first through third TFTs. The second and third TFTs share a single output terminal as their output terminals, the first sub-pixel electrode is electrically connected to an output terminal of the first TFT, and the second sub-pixel electrode is electrically connected to the single output terminal of the second and third TFTs.Type: GrantFiled: January 15, 2018Date of Patent: March 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kye Uk Lee, Ja Yong Koo, Kee Bum Park, Jae Yong Shin, Seong Young Lee, Seul Bee Lee, Woong Lee
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Publication number: 20210026209Abstract: An embodiment of the present inventive concept provides a liquid crystal display, including: a first gate line; a first data line crossing the first gate line; a first transistor including a gate electrode connected to the first gate line, a source electrode connected to the first data line, and a drain electrode; a first connecting line connected to the drain electrode; a first contact portion connected to the first connecting line; and a first pixel electrode connected to the first contact portion, wherein the first pixel electrode may be disposed between the first transistor and the first contact portion.Type: ApplicationFiled: January 8, 2020Publication date: January 28, 2021Inventors: Dong Hee SHIN, Kyung Ho KIM, Yoo Mi RA, Seong Young LEE, Yong Hee LEE
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Patent number: 10775676Abstract: A display device including: a substrate; a gate line disposed on the substrate to transmit a gate signal; a first reference voltage line spaced apart from the gate line to transmit a reference voltage; a second reference voltage line disposed on the gate line and the first reference voltage line and electrically connected to the first reference voltage line; an insulating layer disposed on the second reference voltage line; and a pixel electrode layer disposed on the insulating layer, wherein the pixel electrode layer includes a first pixel electrode having a first sub-pixel electrode disposed at a first side with respect to the gate line and a second sub-pixel electrode disposed at a second side opposite to the first side with respect to the gate line, and the second reference voltage line may overlap the first pixel electrode and may cross the first pixel electrode.Type: GrantFiled: March 21, 2019Date of Patent: September 15, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyung Ho Kim, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
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Publication number: 20200285089Abstract: A display device including a substrate, a gate line, a reference voltage line, a data line, a first drain electrode separated from the data line, an insulating layer disposed on the data line and the first drain electrode, and a pixel electrode layer disposed on the insulating layer and including a pixel electrode and a light blocking electrode overlapping the data line, the pixel electrode includes a first sub-pixel electrode including a first extension part protruded toward the first drain electrode and a contact portion connected to one end of the first extension part, the first extension part of the first sub-pixel electrode has a first side parallel to a first side of the light blocking electrode, and an interval between the first sides of the first extension part and the light blocking electrode is less than about 4 ?m.Type: ApplicationFiled: October 14, 2019Publication date: September 10, 2020Inventors: Yong Hee LEE, Kyung Ho KIM, Seong Young LEE, Seung Min LEE
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Patent number: 10706796Abstract: A liquid crystal display includes a display panel, a data driver, and a scan driver. The display panel includes first and second pixel groups, each of having two pixels. The data driver is connected to the display panel via a plurality of data lines. The scan driver is connected to the display panel via a plurality of scan lines. The first pixel group is connected to one of the data lines. The second pixel group is connected to both the data line to which the first pixel group is connected and a data line adjacent to the data line to which the first pixel group is connected.Type: GrantFiled: January 12, 2018Date of Patent: July 7, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seon Kyoon Mok, Seong Young Lee, Hyung Jun Park, Dong Hyun Yoo, Kyung Hoe Lee, Hwan Young Jang, Chang Won Jeong
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Publication number: 20200103688Abstract: A display device includes: a substrate; a gate line disposed on the substrate and configured to transmit a gate signal; a reference voltage line disposed apart from the gate line and configured to transmit a reference voltage; an insulation layer disposed on the gate line and the reference voltage line; a pixel electrode layer including: a first sub-pixel electrode disposed on the insulation layer and located at a first side with reference to the gate line; and a second sub-pixel electrode disposed on the insulation layer and located at a second side opposite to the first side with reference to the gate line; and a conductive shield portion disposed on the gate line, wherein the gate line includes two parallel edges, an edge closer to the reference voltage line among the two parallel edges including a first edge, and wherein the conductive shield portion overlaps the first edge.Type: ApplicationFiled: April 5, 2019Publication date: April 2, 2020Inventors: Yong Hee LEE, Seong Young LEE, Kyung Ho KIM, Seung Min LEE, Na Hyeon CHA
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Publication number: 20200089068Abstract: A display device including: a substrate; a gate line disposed on the substrate to transmit a gate signal; a first reference voltage line spaced apart from the gate line to transmit a reference voltage; a second reference voltage line disposed on the gate line and the first reference voltage line and electrically connected to the first reference voltage line; an insulating layer disposed on the second reference voltage line; and a pixel electrode layer disposed on the insulating layer, wherein the pixel electrode layer includes a first pixel electrode having a first sub-pixel electrode disposed at a first side with respect to the gate line and a second sub-pixel electrode disposed at a second side opposite to the first side with respect to the gate line, and the second reference voltage line may overlap the first pixel electrode and may cross the first pixel electrode.Type: ApplicationFiled: March 21, 2019Publication date: March 19, 2020Inventors: Kyung Ho KIM, Seong Young Lee, Yong Hee Lee, Byoung Sun Na, Sun Kwun Son
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Publication number: 20200064663Abstract: A liquid crystal display device may include a gate line, a data line, a storage electrode set, a transistor, a pixel electrode, and repair member. The gate line may transmit a gate signal. The data line may transmit a data signal. The transistor may include a gate electrode connected to the gate line, a source electrode connected to the data line, and a drain electrode connected to the pixel electrode. The drain electrode and the storage electrode set may overlap each other and form a storage capacitor. The repair member may be formed of an electrically conductive material, may be electrically insulated from each of the drain electrode and the data line, and may overlap the storage electrode set.Type: ApplicationFiled: March 29, 2019Publication date: February 27, 2020Inventors: Yoo Mi RA, Seong Young LEE, Kyung Ho KIM, Na Hyeon CHA
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Patent number: 10571770Abstract: A liquid crystal display includes a display panel including first and second subpixels, where the first subpixel includes a first switching device including a first electrode connected to the j-th data line, a second electrode connected to a first subpixel electrode and a gate electrode connected to an i-th gate line, the second subpixel includes a second switching device including a first electrode connected to a j-th data line, a second electrode connected to a second subpixel electrode and a gate electrode connected to the i-th gate line, a third switching device including a first electrode connected to the second subpixel electrode and a gate electrode connected to the i-th gate line, and a fourth switching device including a first electrode connected to the j-th data line, a second electrode connected to the first electrode of the third switching device and a gate electrode connected to the i-th gate line.Type: GrantFiled: April 23, 2018Date of Patent: February 25, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Keum Dong Jung, Seung Hwan Moon, Seong Young Lee
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Publication number: 20200041855Abstract: A display device includes: a substrate; a first transistor and a second transistor disposed on the substrate; a first sub-pixel electrode electrically connected to a first drain electrode of the first transistor; a second sub-pixel electrode electrically connected to a second drain electrode of the second transistor; and color filter layers disposed between the first and second transistors and the first and second sub-pixel electrodes, the color filter layers including: a first color filter overlapping the first transistor and the first sub-pixel electrode, the first color filter representing a first color, and a first color filter pattern representing a second color different from the first color, the first color filter pattern overlapping the first transistor and the second transistor.Type: ApplicationFiled: March 6, 2019Publication date: February 6, 2020Inventors: Na Hyeon CHA, Seong Young LEE, Kyung Ho KIM, Hae Jin KIM, Yong Hee LEE
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Publication number: 20200020723Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.Type: ApplicationFiled: September 24, 2019Publication date: January 16, 2020Inventors: YOUN HAK JEONG, Bo Yeong Kim, Jang soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee
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Publication number: 20200004069Abstract: A display device includes: a gate line (GL); a semiconductor pattern (SP) on the GL; a data line (DL); a voltage division reference line (VDRL); and first to third switching elements (SWE) overlapping the SP. The first SWE includes a first source electrode (SE) connected to the DL, a first drain electrode (DE) spaced apart from the first SE, and a first gate electrode (GE) connected to the GL. The second SWE includes a second SE connected to the DL, a second DE spaced apart from the second SE, and a second GE connected to the GL. The third SWE includes a third SE connected to the VDRL, a third DE connected to the second SE, and a third GE connected to the GL. The first SE, the first DE, the second SE, and the second DE are sequentially arranged across and on the SP in a first direction.Type: ApplicationFiled: December 31, 2018Publication date: January 2, 2020Inventors: Kyung Ho KIM, Byoung Sun NA, Seong Young LEE
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Patent number: 10497305Abstract: An apparatus and method of preventing signal delay in a display device according to the present invention includes a first substrate, a driving portion formed on the first substrate, a plurality of signal lines formed on the first substrate to transmit signals to the driving portion, a second substrate facing the first substrate, and a conductive member formed on the second substrate, wherein the driving portion overlaps with the conductive member, and the signal lines overlap with the conductive member at a position outside a display area. Accordingly, the capacitances between the signal lines may be substantially the same.Type: GrantFiled: January 18, 2017Date of Patent: December 3, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Il Ahn, Seung-Soo Baek, Seong-Young Lee, Kee-Bum Park
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Patent number: 10424600Abstract: A liquid crystal display includes: first and second thin film transistors and a compensation transistor formed on a first insulation substrate; a first gray subpixel electrode connected to a drain electrode of the first thin film transistor; a second gray subpixel electrode connected to a drain electrode of the compensation transistor and a drain electrode of the second thin film transistor; and first and second reference voltage lines overlapping at least one of the second gray subpixel electrode and the first gray subpixel electrode, wherein a pixel area occupied by the first gray subpixel electrode and the second gray subpixel electrode is extended in a first direction, the first and second reference voltage lines are extended in a second direction, which is substantially perpendicular to the first direction, to overlap the pixel area, and one of the first and second reference voltage lines is connected to a source electrode of the compensation transistor.Type: GrantFiled: May 2, 2018Date of Patent: September 24, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youn Hak Jeong, Bo Yeong Kim, Jang Soo Kim, Hong Min Yoon, Seong Young Lee, Ho Jun Lee