Patents by Inventor Chaun-gi Choi
Chaun-gi Choi 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: 20240081124Abstract: A display device includes a via insulating layer on a substrate; a first electrode on the via insulating layer; a pixel defining layer including an inclined region on the first electrode and including a first opening exposing a portion of the first electrode, and a flat region at a side of the inclined region and in contact with the via insulating layer; a light emitting layer on the portion of the first electrode exposed by the first opening; organic particles on the flat region of the pixel defining layer; an encapsulation layer covering the pixel defining layer, the light emitting layer, and the organic particles, and including a first layer, a second layer, and a third layer; and a first light blocking layer on the third layer of the encapsulation layer to overlap the flat region of the pixel defining layer and form a second opening.Type: ApplicationFiled: May 8, 2023Publication date: March 7, 2024Applicant: Samsung Display Co., LTD.Inventors: Hyun Ho KIM, Dong Uk KIM, Hyoeng Ki KIM, Hyeon Bum LEE, Hoon Gi LEE, Chaun Gi CHOI
-
Publication number: 20230389403Abstract: A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: JAE IK LIM, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
-
Patent number: 11758795Abstract: A display device includes a fingerprint sensor layer that receives light reflected by an external object; a substrate disposed on the fingerprint sensor layer; an optical pattern layer disposed on the substrate and that includes a light blocking portion and a light transmitting portion that passes through the light blocking portion in one direction; a first light transmitting layer with a first refractive index and that is disposed on the light blocking portion; a second light transmitting layer with a second refractive index different from the first refractive index and that is disposed on the first light transmitting layer; and a light emitting element layer disposed on the second light transmitting layer.Type: GrantFiled: November 10, 2020Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Gee Bum Kim, Byung Han Yoo, Dae Young Lee, Chaun Gi Choi
-
Patent number: 11744135Abstract: A display device includes: a substrate; a first display pixel disposed on the substrate and including a light emitting element; a first sensor pixel disposed on the substrate and including an optical sensor; a first bank disposed on the substrate, wherein the first display pixel is disposed in the first bank; a first light blocking layer overlapping the first bank; a first color filter disposed on the first light blocking layer and overlapping the light emitting element; and an optical pattern layer disposed on the optical sensor, wherein the optical pattern layer includes a light blocking portion and a plurality of light transmitting portions passing through the light blocking portion.Type: GrantFiled: December 1, 2020Date of Patent: August 29, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Ik Lim, Dae Young Lee, Chaun Gi Choi
-
Publication number: 20230195270Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.Type: ApplicationFiled: February 10, 2023Publication date: June 22, 2023Inventors: Sang Hyun CHOI, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
-
Publication number: 20230196964Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: ApplicationFiled: February 13, 2023Publication date: June 22, 2023Inventors: Jeong-Woo MOON, Jin-Koo CHUNG, Seong-Min KIM, Jin-Hyun PARK, Chaun-Gi CHOI
-
Patent number: 11626461Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: GrantFiled: June 3, 2021Date of Patent: April 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Hye-Hyang Park, Joo-Hee Jeon, Seung-Ho Jung, Chaun-Gi Choi, Hyeon-Sik Kim, Hui-Won Yang, Eun-Young Lee
-
Patent number: 11580892Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: GrantFiled: January 13, 2022Date of Patent: February 14, 2023Inventors: Jeong-Woo Moon, Jin-Koo Chung, Seong-Min Kim, Jin-Hyun Park, Chaun-Gi Choi
-
Patent number: 11579739Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.Type: GrantFiled: March 17, 2022Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sang Hyun Choi, Yong Hwan Park, Kwang Soo Bae, Chaun Gi Choi, Sang Hyun Han
-
Publication number: 20230041805Abstract: The present disclosure relates to a display device. According to an embodiment of the present disclosure, a display device includes a supporter including a plurality of segments disposed to be spaced apart from each other and defining a plurality of holes between the plurality of segments, and a display panel disposed on the supporter. The display panel includes: an active element layer including a light emitting element and a thin film transistor for driving the light emitting element, an encapsulation layer disposed on the active element layer, a plurality of stress dispersion pattern disposed on the encapsulation layer to overlap the plurality of holes in a thickness direction, and an insulating layer disposed on the plurality of stress dispersion pattern and filling a plurality of holes defined between the plurality of stress dispersion pattern.Type: ApplicationFiled: February 15, 2022Publication date: February 9, 2023Inventors: Suk KIM, Hoon Gi LEE, Sang Hyun CHOI, Chaun Gi CHOI, Sang Hyun HAN
-
Publication number: 20230038020Abstract: A touch sensing device includes first sensor electrodes disposed in a first area, second sensor electrodes disposed in a second area, first sensor lines each connected to the first sensor electrodes in the first area, and second sensor lines each connected to the second sensor electrodes in the second area. Each of the second sensor lines includes a first sub-sensor line disposed in the second area, and a second sub-sensor line disposed in the first area and the second area and connected to the first sub-sensor line.Type: ApplicationFiled: March 17, 2022Publication date: February 9, 2023Inventors: Sang Hyun CHOI, Yong Hwan PARK, Kwang Soo BAE, Chaun Gi CHOI, Sang Hyun HAN
-
Publication number: 20230037013Abstract: A display device includes a substrate which includes a main area, a first auxiliary area extending from a first side of the main area in a first direction, and a sub-area extending from a second side of the main area in a second direction intersecting the first direction. Scan lines are disposed in the main area and the first auxiliary area and extend in the first direction. Data lines are disposed in the main area and the first auxiliary area and extend in the second direction. Sensor lines are disposed in the main area and the first auxiliary area and extend in the first direction. Sensor electrodes are disposed in the main area and the first auxiliary area and are connected to the sensor lines, respectively.Type: ApplicationFiled: March 9, 2022Publication date: February 2, 2023Inventors: SANG HYUN CHOI, Hyoeng Ki Kim, Hoon Gi Lee, Chaun Gi Choi
-
Publication number: 20220392978Abstract: A display device includes a base substrate; a thin-film transistor disposed on the base substrate; a via layer disposed on the thin-film transistor and having a via hole formed therein, the via hole penetrating the via layer in a thickness direction; a first electrode disposed on the via layer and having an electrode hole formed therein, the electrode hole penetrating the first electrode in the thickness direction; a bank layer disposed on the first electrode and exposing part of a top surface of the first electrode; an emission layer on the first electrode; and a second electrode on the emission layer, wherein the first is electrically connected to the thin-film transistor through the via hole, and the bank layer includes an outer bank pattern, which overlaps with the via hole in the thickness direction, and a bank island pattern, which is disposed in the electrode hole.Type: ApplicationFiled: April 18, 2022Publication date: December 8, 2022Inventors: Kwang Soo BAE, Min Jeong OH, Sang Hyun CHOI, Chaun Gi CHOI
-
Publication number: 20220165994Abstract: A display device includes: a substrate; a light-emitting element on the substrate; a planarization layer on the light-emitting element; a first refractive index layer on the planarization layer and including a total reflection inclination surface totally reflecting light emitted from the light-emitting element in a front direction and a refraction inclination surface refracting light emitted from the light-emitting element in the front direction; a second refractive index layer on the first refractive index layer to be in contact with the refraction inclination surface and having a smaller refractive index than a refractive index of the first refractive index layer; and a third refractive index layer on the first refractive index layer and the second refractive index layer to be in contact with the total reflection inclination surface and having a larger refractive index than the refractive index of the first refractive index layer.Type: ApplicationFiled: December 31, 2019Publication date: May 26, 2022Inventors: Jae Ik LIM, Chaun Gi CHOI, Sang Woo KIM
-
Publication number: 20220139288Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: ApplicationFiled: January 13, 2022Publication date: May 5, 2022Inventors: Jeong-Woo MOON, Jin-Koo CHUNG, Seong-Min KIM, Jin-Hyun PARK, Chaun-Gi CHOI
-
Publication number: 20220077427Abstract: A display device includes: a substrate; a bank layer on the substrate, and defining a light-emitting area; an organic light-emitting layer in the light-emitting area; a thin-film sealing layer covering the organic light-emitting layer and the bank layer; an inorganic layer including a base part on the thin-film sealing layer, and a protruding pattern part protruding from the base part in a thickness direction and including a lateral surface having a reverse taper angle; a first low refractive organic layer on the base part of the inorganic layer; and a high refractive organic layer covering the first low refractive organic layer and the inorganic layer. A lateral surface of the first low refractive organic layer contacts the lateral surface of the protruding pattern part, and an upper surface of the first low refractive organic layer protrudes more than an upper surface of the protruding pattern part in the thickness direction.Type: ApplicationFiled: October 25, 2019Publication date: March 10, 2022Inventors: Ki June LEE, Sang Woo KIM, Jung Ha SON, Byung Han YOO, Gee Bum KIM, Tae Kyung AHN, Jae Ik LIM, Chaun Gi CHOI
-
Patent number: 11257413Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: GrantFiled: May 24, 2021Date of Patent: February 22, 2022Inventors: Jeong-Woo Moon, Jin-Koo Chung, Seong-Min Kim, Jin-Hyun Park, Chaun-Gi Choi
-
Patent number: 11152439Abstract: A transparent display substrate, a transparent display device, and a method of manufacturing a transparent display device, the substrate including a base substrate including a pixel area and a transmission area; a pixel circuit on the pixel area of the base substrate; an insulation layer covering the pixel circuit on the base substrate; a pixel electrode selectively disposed on the pixel area of the base substrate, the pixel electrode being electrically connected to the pixel circuit at least partially through the insulation layer; and a transmitting layer structure selectively disposed on the transmission area of the base substrate, the transmitting layer structure including at least an inorganic material, the inorganic material consisting essentially of silicon oxynitride.Type: GrantFiled: May 22, 2019Date of Patent: October 19, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Ho Jung, Chaun-Gi Choi, Young-Sik Yoon, Joo-Hee Jeon, Jung-Yun Jo
-
Publication number: 20210296418Abstract: A display device may include a light emitting element, a buffer layer, a gate insulation layer, and a switching element. A refractive index of the gate insulation layer may be equal to a refractive index of the buffer layer. The switching element may be electrically connected to the light emitting element and may include an active layer and a gate electrode. The active layer may be positioned between the buffer layer and the gate insulation layer and may directly contact at least one of the buffer layer and the gate insulation layer. The gate insulation layer may be positioned between the active layer and the gate electrode and may directly contact at least one of the active layer and the gate electrode.Type: ApplicationFiled: June 3, 2021Publication date: September 23, 2021Inventors: Hye-Hyang PARK, Joo-Hee JEON, Seung-Ho JUNG, Chaun-Gi CHOI, Hyeon-Sik KIM, Hui-Won YANG, Eun-Young LEE
-
Publication number: 20210280119Abstract: An OLED panel may include a substrate including a first region and a second region disposed along a first direction. A plurality of first pixels are disposed in the first region on the substrate, the first pixels each having a first area, the first pixels each comprising a first unit pixel, a second unit pixel disposed along a second direction from the first unit pixel, and a transmission portion disposed along the first direction from the first unit pixel and the second unit pixel. A plurality of second pixels are disposed in the second region on the substrate, the second pixels each having a second area less than the first area, the second pixels each comprising a third unit pixel. The first unit pixel, the second unit pixel, and the third unit pixel may have substantially the same shape as each other.Type: ApplicationFiled: May 24, 2021Publication date: September 9, 2021Inventors: Jeong-Woo MOON, Jin-Koo CHUNG, Seong-Min KIM, Jin-Hyun PARK, Chaun-Gi CHOI