Patents by Inventor Sang-Hyung Lim
Sang-Hyung Lim 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).
-
Publication number: 20240138190Abstract: According to an embodiment of the disclosure, a display device includes a pixel circuit layer including a base layer and a pixel circuit disposed on the base layer, and a light emitting element disposed on the base layer and electrically connected to the pixel circuit. The pixel circuit includes a transistor and a storage capacitor including a first capacitor electrode and a second capacitor electrode. The base layer includes a concave portion. At least a portion of each of the first capacitor electrode and the second capacitor electrode is disposed in the concave portion.Type: ApplicationFiled: April 30, 2023Publication date: April 25, 2024Applicant: Samsung Display Co., LTD.Inventor: Sang Hyung LIM
-
Patent number: 11961775Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.Type: GrantFiled: November 8, 2022Date of Patent: April 16, 2024Assignee: Amkor Technology Singapore Holding Pte. Ltd.Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
-
Patent number: 11951741Abstract: An inkjet apparatus comprises a stage, and an inkjet head positioned over the stage and including a plurality of nozzles through which ink including a plurality of particles is discharged. The inkjet head comprises a base portion constituting a main body of the inkjet head, a discharge portion adjacent to the base portion and including the plurality of nozzles, and an inner flow path between the base portion and the discharge portion and configured to accommodate the ink, wherein the base portion includes a first surface contacting the inner flow path, and at least a part of the first surface is at an incline.Type: GrantFiled: September 8, 2021Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyung Lim, Soon Mi Choi
-
Patent number: 11956979Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, where the display panel includes a transistor disposed on a first substrate; a light-emitting element electrically connected to the transistor; and a passivation layer disposed between the transistor and the light-emitting element and including a first recess portion. The light-emitting element is disposed on the first recess portion, the color conversion panel includes a first color conversion layer, a second color conversion layer and a transmission layer, which are disposed between a second substrate and the display panel, and at least one selected from the first color conversion layer, the second color conversion layer and the transmission layer overlaps the first recess portion.Type: GrantFiled: May 24, 2021Date of Patent: April 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyung Lim, Jin Ho Jang, Soon Mi Choi
-
Publication number: 20240099071Abstract: A display device includes a first substrate, a first electrode above the first substrate, a pixel-defining film above the first electrode, and defining an emission area, a light-emitting layer above the first electrode and the pixel-defining film, a second electrode above the light-emitting layer, a thin-film encapsulation structure above the second electrode, and including an organic film defining an opening, and a color control layer above the thin-film encapsulation structure in the opening.Type: ApplicationFiled: June 23, 2023Publication date: March 21, 2024Inventors: Sang Hyung LIM, Se Jin PARK, Jae Ho EO, Soon Mi CHOI
-
Patent number: 11930670Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.Type: GrantFiled: May 6, 2021Date of Patent: March 12, 2024Assignees: Samsung Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University ERICA CampusInventors: Sang Woo Sohn, Saeroonter Oh, Joon Seok Park, Young Joon Choi, Su Hyun Kim, Jun Hyung Lim
-
Patent number: 11917863Abstract: A display device includes a pixel electrode including silver, a pixel-defining film on the pixel electrode and exposing the pixel electrode, a barrier layer on the pixel electrode and the pixel-defining film and including a low-resistance area and a high-resistance area which has a higher resistance than the low-resistance area, an emission layer on the barrier layer, and a common electrode on the emission layer. The low-resistance area of the barrier layer overlaps with the pixel electrode, and the high-resistance area of the barrier layer overlaps with the pixel-defining film.Type: GrantFiled: September 8, 2021Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyung Lim, Se Jin Park, Min Gyu Jang, In Hye Heo
-
Patent number: 11765936Abstract: A display device according to an embodiment includes: a first conductive layer that is disposed on a substrate; a transistor that is disposed on the substrate; and a light emitting element that is electrically connected to the transistor, wherein the transistor includes a semiconductor layer that at least partially overlaps the first conductive layer and is disposed on the first conductive layer, and a gate electrode that is disposed on the semiconductor layer. The semiconductor layer includes a first region that does not overlap the first conductive layer, a third region that overlaps the first conductive layer, and a second region that is disposed between the first region and the third region and traverses an edge of the first conductive layer. The first width of the semiconductor layer in the first region is smaller than a second width of the semiconductor layer in the second region.Type: GrantFiled: May 31, 2021Date of Patent: September 19, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyung Lim, Kyu Min Kim, Hui-Won Yang, Dong Ha Lee
-
Publication number: 20230170441Abstract: Provided are a light emitting device and a display apparatus comprising the same. The light emitting device comprises a light emitting device core extending in one direction, and a transmission filter layer surrounding a part of the side surface of the light emitting device core, wherein the side surface of the light emitting device core comprises a first area having the transmission filter layer arranged therein, and a second area not having the transmission filter layer arranged therein.Type: ApplicationFiled: April 23, 2021Publication date: June 1, 2023Inventors: Mi Hyang SHEEN, Sang Hyung LIM, Myeong Kyu PARK, Na Ri AHN, Doo Hyoung LEE
-
Patent number: 11621312Abstract: A display device includes a first conductive pattern on a substrate, a first insulating layer on the first conductive pattern, a semiconductor pattern on the first insulating layer, a second insulating layer on the first insulating layer and the semiconductor pattern, and a second conductive pattern on the second insulating layer. A first edge of the first conductive pattern faces a second edge of the second conductive pattern, the first conductive pattern does not overlap the second conductive pattern in an area where the first edge faces the second edge, the semiconductor pattern is in the area where the first edge faces the second edge, the second conductive pattern overlaps the second insulating layer, and the second insulating layer includes a third edge protruding from the second edge of the second conductive pattern.Type: GrantFiled: November 4, 2020Date of Patent: April 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyung Lim, Jee Hoon Kim, Mi Hyang Sheen, Jin Ho Jang, Myeong Kyu Park, Na Ri Ahn, Hui Won Yang, Doo Hyoung Lee
-
Publication number: 20220231099Abstract: A display device includes a pixel electrode including silver, a pixel-defining film on the pixel electrode and exposing the pixel electrode, a barrier layer on the pixel electrode and the pixel-defining film and including a low-resistance area and a high-resistance area which has a higher resistance than the low-resistance area, an emission layer on the barrier layer, and a common electrode on the emission layer. The low-resistance area of the barrier layer overlaps with the pixel electrode, and the high-resistance area of the barrier layer overlaps with the pixel-defining film.Type: ApplicationFiled: September 8, 2021Publication date: July 21, 2022Inventors: Sang Hyung Lim, Se Jin Park, Min Gyu Jang, In Hye Heo
-
Publication number: 20220130931Abstract: A display device according to an embodiment includes: a first conductive layer that is disposed on a substrate; a transistor that is disposed on the substrate; and a light emitting element that is electrically connected to the transistor, wherein the transistor includes a semiconductor layer that at least partially overlaps the first conductive layer and is disposed on the first conductive layer, and a gate electrode that is disposed on the semiconductor layer. The semiconductor layer includes a first region that does not overlap the first conductive layer, a third region that overlaps the first conductive layer, and a second region that is disposed between the first region and the third region and traverses an edge of the first conductive layer. The first width of the semiconductor layer in the first region is smaller than a second width of the semiconductor layer in the second region.Type: ApplicationFiled: May 31, 2021Publication date: April 28, 2022Inventors: Sang Hyung LIM, Kyu Min KIM, Hui-Won YANG, Dong Ha LEE
-
Publication number: 20220111646Abstract: An inkjet apparatus comprises a stage, and an inkjet head positioned over the stage and including a plurality of nozzles through which ink including a plurality of particles is discharged. The inkjet head comprises a base portion constituting a main body of the inkjet head, a discharge portion adjacent to the base portion and including the plurality of nozzles, and an inner flow path between the base portion and the discharge portion and configured to accommodate the ink, wherein the base portion includes a first surface contacting the inner flow path, and at least a part of the first surface is at an incline.Type: ApplicationFiled: September 8, 2021Publication date: April 14, 2022Inventors: Sang Hyung LIM, Soon Mi CHOI
-
Publication number: 20220069245Abstract: A display device includes: a display panel; and a color conversion panel overlapping the display panel, where the display panel includes a transistor disposed on a first substrate; a light-emitting element electrically connected to the transistor; and a passivation layer disposed between the transistor and the light-emitting element and including a first recess portion. The light-emitting element is disposed on the first recess portion, the color conversion panel includes a first color conversion layer, a second color conversion layer and a transmission layer, which are disposed between a second substrate and the display panel, and at least one selected from the first color conversion layer, the second color conversion layer and the transmission layer overlaps the first recess portion.Type: ApplicationFiled: May 24, 2021Publication date: March 3, 2022Inventors: Sang Hyung LIM, Jin Ho JANG, Soon Mi CHOI
-
Publication number: 20210296422Abstract: A display device includes a first conductive pattern on a substrate, a first insulating layer on the first conductive pattern, a semiconductor pattern on the first insulating layer, a second insulating layer on the first insulating layer and the semiconductor pattern, and a second conductive pattern on the second insulating layer. A first edge of the first conductive pattern faces a second edge of the second conductive pattern, the first conductive pattern does not overlap the second conductive pattern in an area where the first edge faces the second edge, the semiconductor pattern is in the area where the first edge faces the second edge, the second conductive pattern overlaps the second insulating layer, and the second insulating layer includes a third edge protruding from the second edge of the second conductive pattern.Type: ApplicationFiled: November 4, 2020Publication date: September 23, 2021Applicant: Samsung Display Co., LTD.Inventors: Sang Hyung LIM, Jee Hoon KIM, Mi Hyang SHEEN, Jin Ho JANG, Myeong Kyu PARK, Na Ri AHN, Hui Won YANG, Doo Hyoung LEE
-
Publication number: 20130042735Abstract: A mother substrate cutting apparatus which may include a stationary stage, a moving stage on the stationary stage, the moving stage being configured to move in a first direction, a guide bar on the stationary stage, the guide bar being connected to the stationary stage via posts and configured to extend above the moving stage in a second direction crossing the first direction, a moving unit at the guide bar, the moving unit being configured to move on the guide bar, a lifter on the moving unit, the lifter being configured to move in a third direction that crosses the first direction and the second direction, and a blade on the lifter, the blade being configured to rotate and cut the mother substrate on the moving stage.Type: ApplicationFiled: October 26, 2012Publication date: February 21, 2013Inventors: Sang-Hyung LIM, Jang-Hwan SHIN
-
Publication number: 20100011925Abstract: A mother substrate cutting apparatus which may include a stationary stage, a moving stage on the stationary stage, the moving stage being configured to move in a first direction, a guide bar on the stationary stage, the guide bar being connected to the stationary stage via posts and configured to extend above the moving stage in a second direction crossing the first direction, a moving unit at the guide bar, the moving unit being configured to move on the guide bar, a lifter on the moving unit, the lifter being configured to move in a third direction that crosses the first direction and the second direction, and a blade on the lifter, the blade being configured to rotate and cut the mother substrate on the moving stage.Type: ApplicationFiled: July 15, 2009Publication date: January 21, 2010Inventors: Sang-Hyung Lim, Jang-Hwan Shin