Patents by Inventor Gun-hee Kim
Gun-hee Kim 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: 20230343295Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Inventors: Jin Wook YANG, Gun Hee KIM, Sun Young JUNG
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Patent number: 11794160Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.Type: GrantFiled: December 7, 2021Date of Patent: October 24, 2023Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGYInventors: Seung Min Yang, Kyung Hoon Kim, Gun Hee Kim, Young Kyu Jeong, O Hyung Kwon, Chan Bin Mo, Yong Su Jo, Hye Min Park, Gwang Hwa Jin
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Publication number: 20230329050Abstract: A display device includes a substrate that includes a display area and a subsidiary area adjacent to the display area; a first pixel driving unit disposed in the display area; a light-emitting element disposed in the display area and connected to the first pixel driving unit; a plurality of sensor driving units disposed in the subsidiary area; and a plurality of photoelectric conversion elements disposed in the subsidiary area and connected to the plurality of sensor driving units, respectively.Type: ApplicationFiled: January 23, 2023Publication date: October 12, 2023Inventors: MIN OH CHOI, Gun Hee Kim, Sun Ho Kim, Kwan Soo Bae, Dae Young Lee, Sung Chan Jo, Chung Sock Choi
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Publication number: 20230329020Abstract: A display device includes a substrate; and a plurality of unit pixels disposed on the substrate and including sub-pixels and photo-sensing pixels. Each of the sub-pixels includes a light emitting element and a light emitting area from which light is emitted. Each of the photo-sensing pixels includes a light receiving area and a light receiving element disposed therein and outputting a sensing signal corresponding to a degree of sensed light. The light emitting area and the light receiving area are spaced apart from each other on the substrate. The light emitting area and the light receiving area each have a polygonal shape. Aa shape of the light emitting area is different from a shape of the light receiving area.Type: ApplicationFiled: January 27, 2023Publication date: October 12, 2023Inventors: Kwang Soo Bae, Gun Hee Kim, Dae Young Lee, Sang Hwan Cho
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Publication number: 20230317007Abstract: A display device includes a pixel including a display driver configured to apply a driving current to a light-emitting element; and an optical sensor including a sensing driver configured to apply a sensing current to a read-out line based on a photocurrent from the photoelectric conversion element, wherein the pixel further includes, a driving transistor configured to control the driving current, a first transistor configured to apply a first initialization voltage to an anode of the light-emitting element based on an emission control signal, and a second transistor configured to connect the anode of the light-emitting element to a first electrode of the driving transistor in accordance with the emission control signal, and wherein a channel of the first transistor is a different material from channels of the driving transistor and the second transistor.Type: ApplicationFiled: December 23, 2022Publication date: October 5, 2023Inventors: Hyeon Sik KIM, Gun Hee KIM, Tae Kyung AHN, Dae Young LEE, Sang Woo KIM
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Publication number: 20230298378Abstract: A display device includes: a sub-pixel on a substrate and including a light emitting element; a photo-sensing pixel on the substrate and including a light-receiving element including a light-receiving layer configured to obtain a sensing signal corresponding to light emitted from the light emitting element; a touch sensor configured to obtain information about a touch input and including a conductive layer, wherein the conductive layer includes a hole area overlapping the light-receiving layer in a plan view.Type: ApplicationFiled: February 1, 2023Publication date: September 21, 2023Inventors: Kwang Soo BAE, Gun Hee KIM, Dae Young LEE, Min Oh CHOI
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Publication number: 20230209887Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Inventors: Sun Ho KIM, Sun Hee LEE, Gun Hee KIM, Tae Hoon YANG, Seung Chan LEE, Joo Hee JEON
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Patent number: 11682353Abstract: An organic light emitting diode display includes: a substrate; an overlapping layer on the substrate; a pixel on the substrate and the overlapping layer; and a scan line, a data line, a driving voltage line, and an initialization voltage line that are connected to the pixel. The pixel includes: an organic light emitting diode; a second transistor connected to the scan line and the data line; a driving transistor including a gate electrode, an input terminal, and an output terminal, and to apply a current to the organic light emitting diode from the output terminal; and a voltage application transistor to apply a voltage to the overlapping layer. An output of the second transistor is connected to the input terminal of the driving transistor, and the overlapping layer is between the driving transistor and the substrate while overlapping with the driving transistor on a plane.Type: GrantFiled: July 1, 2022Date of Patent: June 20, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ju-Won Yoon, Gun Hee Kim, Sang Ho Park, Seung Chan Lee, Joo Hee Jeon
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Publication number: 20230189592Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Sun Ho KIM, Gun Hee KIM, Dong Hwan SHIM, Tae Hoon YANG, Sun Hee LEE
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Patent number: 11678521Abstract: A display device, includes: a substrate including pixel areas and a transmissive area between the pixel areas; a pixel circuit layer including at least one transistor on each of the pixel areas; and a light-emitting element layer on the pixel circuit layer and including at least one light-emitting element at each of the pixel areas and coupled to the at least one transistor, and a transparent organic layer at the transmissive area, wherein the light-emitting element layer further includes: a first electrode at the pixel areas, a first inorganic layer at the first electrode, an organic layer covering the first inorganic layer and the transparent organic layer, and a second inorganic layer on the organic layer.Type: GrantFiled: October 27, 2020Date of Patent: June 13, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joo Hee Jeon, Tae Hoon Yang, Gun Hee Kim, Sung Jin Hong
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Publication number: 20230180564Abstract: A display device includes a first display area and a second display area located on opposite sides of a display area. The display device includes first through third sub-pixels. The first through third sub-pixels are disposed in the first and second display areas. The first and second sub-pixels are arranged in a first column adjacent to a first boundary, and the third sub-pixels are arranged in a second column. The second and first sub-pixels are arranged in a third column adjacent to a second boundary, and the third sub-pixels are arranged in a fourth column. The third sub-pixels are arranged in a first column and a second column of the first sub-area. The first and second sub-pixels are arranged in a first column and a second column of the third sub-area. The first to third sub-pixels are not disposed in the second column of the first and third sub-areas.Type: ApplicationFiled: January 30, 2023Publication date: June 8, 2023Inventors: Juchan PARK, Sunho KIM, Ja Eun LEE, Gun Hee KIM, Jieun KIM, Sun Hee LEE
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Publication number: 20230172016Abstract: A display device including a display panel including a display area, a non-display area, a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected to the light emitting element, a data line electrically connected to the pixel and extending in a first direction, a plurality of scan lines electrically connected to the pixel and extending in a second direction intersecting the first direction, an emission control line electrically connected to the pixel and extending in the second direction, and a first initialization voltage line electrically connected to the pixel, extending in the second direction, and to which a first initialization voltage is applied. The first initialization voltage line is disposed between one of the plurality of scan lines and the emission control line and another of the plurality of scan lines and the emission control line.Type: ApplicationFiled: October 11, 2022Publication date: June 1, 2023Applicant: Samsung Display Co., Ltd.Inventors: HYUNGKEUN PARK, SUNMI KANG, JUHOON KANG, DONGHWAN SHIM, SEOKHYUN LIM, JOOHEE JEON, MIYEON CHO, GUN HEE KIM, SUNYOUNG JUNG
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Publication number: 20230144295Abstract: Provided are an apparatus for producing inorganic powder, and a method of producing inorganic powder by using such. The apparatus includes a vaporization part where a condensed-phase precursor is vaporized to obtain a gas-phase precursor, a partial precipitation part where the gas-phase precursor obtained in the vaporization part is partially precipitated to a condensed phase, and a reaction part where the gas-phase precursor remaining after being partially precipitated to a condensed phase in the partial precipitation part reacts with a reaction gas to obtain inorganic powder. An equilibrium vapor pressure of the gas-phase precursor in the partial precipitation part is lower than a vapor pressure of the gas-phase precursor obtained in the vaporization part, and an equilibrium vapor pressure of the precursor in the reaction part is equal to or higher than a vapor pressure of the gas-phase precursor partially precipitated to a condensed phase in the partial precipitation part.Type: ApplicationFiled: December 7, 2021Publication date: May 11, 2023Inventors: Seung Min YANG, Kyung Hoon KIM, Gun Hee KIM, Young Kyu JEONG, O Hyung KWON, Chan Bin MO, Yong Su JO, Hye Min PARK, Gwang Hwa JIN
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Publication number: 20230112488Abstract: A display device includes: a pixel, a scan driver, an emission driver, and a data driver. The pixel includes: a light emitting element; a first transistor; a second transistor connected between a data line and a first node; a third transistor connected between a second node and a third node connected to a gate electrode of the first transistor; a fourth transistor connected between the second node and a third power line; a fifth transistor connected between the first node and a fourth node; a sixth transistor connected between a first power line and the first node and which is turned off in response to a first emission control signal; a storage capacitor connected between the third node and the fourth node; and a first capacitor connected between the first power line and the fourth node.Type: ApplicationFiled: July 19, 2022Publication date: April 13, 2023Inventors: Jin Wook YANG, Gun Hee KIM, Sun Young JUNG
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Publication number: 20230116805Abstract: A display device includes a display panel having a display area and a non-display area. The display panel includes a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected with the light emitting element, a sensor disposed in the display area and including a photo sensing element and a sensor driving circuit electrically connected with the photo sensing element, a data line electrically connected with the pixel and extended along a first direction, a scan line electrically connected with the pixel and extended along a second direction intersecting the first direction, and a readout line including a first readout portion in the display area. The first readout portion is electrically connected with the sensor and extended along the second direction in the display area.Type: ApplicationFiled: July 21, 2022Publication date: April 13, 2023Inventors: HYEONSIK KIM, GUN HEE KIM, SANGWOO KIM, TAEKYUNG AHN, DAE-YOUNG LEE
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Patent number: 11600805Abstract: A display device includes a display panel including an antireflection layer on a light emitting element layer which includes a first pixel defining layer in which an opening defining a light emitting area of a first pixel is defined, and a second pixel defining layer in which an opening defining a light emitting area of a second pixel is defined. The antireflection layer includes first and second light blocking layers respectively overlapping the first and second pixel defining layers, and includes a first gap defined by a length of a predetermined direction from an edge of the opening to an edge of an opening of the first light blocking layer, and a second gap defined by a length from an edge of the opening to an edge of an opening of the second light blocking layer in the predetermined direction. The first gap is less than the second gap.Type: GrantFiled: February 23, 2022Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun Ho Kim, Sun Hee Lee, Gun Hee Kim, Tae Hoon Yang, Seung Chan Lee, Joo Hee Jeon
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Publication number: 20230038319Abstract: A pixel includes a first capacitor connected between first and second nodes, a second capacitor connected between a first voltage line and the first node, a light emitting diode including a first electrode and a second electrode connected with a second voltage line, a first transistor including a first electrode, a second electrode, and a gate electrode connected with the second node, a second transistor including a first electrode, a second electrode, and a gate electrode which receives a scan signal, a third transistor including a first electrode, a second electrode, and a gate electrode which receives a first compensation scan signal, a fourth transistor including a first electrode, a second electrode, and a gate electrode which receives a second compensation scan signal, and a fifth transistor including a first electrode, a second electrode, and a gate electrode which receives a first light emitting signal.Type: ApplicationFiled: May 16, 2022Publication date: February 9, 2023Inventors: JUHOON KANG, JIN-WOOK YANG, JOOHEE JEON, SUNMI KANG, GUN HEE KIM, HYUNGKEUN PARK, SEOKHYUN LIM, SUNYOUNG JUNG
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Patent number: 11574986Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.Type: GrantFiled: December 30, 2020Date of Patent: February 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sun Ho Kim, Gun Hee Kim, Dong Hwan Shim, Tae Hoon Yang, Sun Hee Lee
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Patent number: 11569300Abstract: A display device includes a first display area and a second display area located on opposite sides of a display area. The display device includes first through third sub-pixels. The first through third sub-pixels are disposed in the first and second display areas. The first and second sub-pixels are arranged in a first column adjacent to a first boundary, and the third sub-pixels are arranged in a second column. The second and first sub-pixels are arranged in a third column adjacent to a second boundary, and the third sub-pixels are arranged in a fourth column. The third sub-pixels are arranged in a first column and a second column of the first sub-area. The first and second sub-pixels are arranged in a first column and a second column of the third sub-area. The first to third sub-pixels are not disposed in the second column of the first and third sub-areas.Type: GrantFiled: March 14, 2022Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Juchan Park, Sunho Kim, Ja Eun Lee, Gun Hee Kim, Jieun Kim, Sun Hee Lee
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Publication number: 20230015947Abstract: The display device includes a substrate including a sensor area, a display panel including a first pixel disposed in the sensor area, and a sensor disposed between the substrate and the display panel and overlapping the sensor area. The sensor area includes pixel areas in which the first pixel is disposed and transmission areas in which the first pixel is not disposed, the transmission areas include a first transmission area, the pixel areas include a first pixel area positioned in a first direction of the first transmission area and a second pixel area positioned in a second direction crossing the first direction of the first transmission area, the first pixel includes a first pixel circuit, some of transistors of the first pixel circuit are disposed in the first pixel area, and others of the transistors of the first pixel circuit are disposed in the second pixel area.Type: ApplicationFiled: September 19, 2022Publication date: January 19, 2023Inventors: Sung Jin HONG, Yoo Min KO, Gun Hee KIM, Seung Chan LEE