Patents by Inventor Sung Sik Cho
Sung Sik Cho 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: 20230048824Abstract: An eFuse cell is provided. The eFuse cell may include a first PMOS transistor and a first NMOS transistor configured to receive a programmed state selection (BLOWB) signal, a second PMOS transistor and a second NMOS transistor configured to receive a write word line bar (WWLB) for a program operation, a first read NMOS transistor and a second read NMOS transistor configured to receive a read word line (RWL) for a read operation, a program transistor configured to control a program current to flow for a fusing operation, and an eFuse connected between the first read NMOS transistor and the second read NMOS transistor.Type: ApplicationFiled: November 30, 2021Publication date: February 16, 2023Applicant: KEY FOUNDRY CO., LTD.Inventors: Seong Jun PARK, Jong Min CHO, Sung Bum PARK, Kee Sik AHN
-
Patent number: 11550439Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.Type: GrantFiled: June 6, 2022Date of Patent: January 10, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung Jin Yang, Ki Cheol Kim, Sung Hee Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho, Min Ho Chae
-
Patent number: 11545650Abstract: A display device includes a first substrate, a second substrate that faces the first substrate, an active element layer disposed on a first surface of the first substrate that faces the second substrate and includes a first through-hole that penetrates therethrough in a thickness direction, and an anti-reflection member disposed on a second surface of the second substrate that faces the first substrate, overlaps the first through-hole, and is spaced apart from the first through-hole. The anti-reflection member includes a first refractive layer disposed on a second surface of the second substrate and that has a refractive index greater than a refractive index of the second substrate, and a second refractive layer disposed on the first refractive layer and that has a refractive index less than the refractive index of the first refractive layer.Type: GrantFiled: January 11, 2021Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Ho Cho, Tae Ik Kim, Hyun Sik Park
-
Patent number: 11538541Abstract: A semiconductor device includes a first word line configured to perform a writing operation or a programing operation, a second word line configured to perform a read operation, a first switching device including a first gate electrode and a first node, a second switching device comprising a second gate electrode and a second node, an electrical fuse (e-fuse) disposed between the first node and the second node, and a diode coupled to the first node and the first word line, wherein the first gate electrode and the second gate electrode are coupled to the second word line.Type: GrantFiled: March 14, 2022Date of Patent: December 27, 2022Assignee: KEY FOUNDRY CO., LTD.Inventors: Jong Min Cho, Sung Bum Park, Kee Sik Ahn, Seong Jun Park
-
Publication number: 20220397971Abstract: A touch sensing unit includes first touch electrodes, a first touch signal line, and a second touch signal line. The first touch electrodes are disposed in a touch sensor area. The first touch signal line is electrically connected to some of the first touch electrodes arranged in a first column. The second touch signal line is electrically connected to some of the first touch electrodes arranged in a second column different from the first column. The second touch signal line includes a first bent portion bent at least once in an intersection region of the first touch signal line and the second touch signal line.Type: ApplicationFiled: May 30, 2022Publication date: December 15, 2022Inventors: Sung Jin YANG, Tae Ik Kim, Hyun Sik Park, Chun Gi You, Sung Ho Cho
-
Patent number: 11521570Abstract: A gate driver for a display device includes: a clock signal line to transfer a clock signal; and a plurality of stages to sequentially output a gate signal based upon the clock signal in response to a carry signal. The plurality of stages include a plurality of thin film transistors, and at least one of the plurality of thin film transistors includes a thin film transistor including an oxide semiconductor. The at least one thin film transistor includes a first gate electrode and a second gate electrode disposed in different layers, the oxide semiconductor is disposed between the first gate electrode and the second gate electrode, and the first gate electrode and the second gate electrode are connected to receive a common voltage signal.Type: GrantFiled: March 4, 2020Date of Patent: December 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sung Hoon Lim, Kang Nam Kim, Seok Hwan Bang, Sung Hwan Won, Woo Geun Lee, Kyu Sik Cho, Soo Jung Chae
-
Publication number: 20220366840Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.Type: ApplicationFiled: August 1, 2022Publication date: November 17, 2022Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh KWAG, Won Sik OH, Keun Kyu SONG, Sung-Chan JO, Hyun Min CHO
-
Publication number: 20220362732Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.Type: ApplicationFiled: May 10, 2022Publication date: November 17, 2022Inventors: Jin Woong Kim, Yeong Sik Cho, Ji Woo Bae, Hye Min Seo, Kyoung Hee Shin, Sung Ho Lee
-
Publication number: 20220350194Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Inventors: JAE BYUNG PARK, SUNG SIK YUN, JONG HYUK KANG, HAE IL PARK, HYUN MIN CHO
-
Publication number: 20220344384Abstract: An image sensor includes a substrate with a first surface opposite a second surface, a pixel isolation pattern defining first and second unit pixels adjacent to each other in the substrate, and first and second separation patterns in the substrate. The first unit pixel includes first and second photoelectric conversion parts along a first direction. The second unit pixel includes third and fourth photoelectric conversion parts along a second direction intersecting the first direction. The first separation pattern extends in the second direction between the first and second photoelectric conversion parts. The second separation pattern extends in the first direction between the third and fourth photoelectric conversion parts. A width of the pixel isolation pattern, a width of the first separation pattern, and a width of the second separation pattern each decrease from the second surface of the substrate toward the first surface of the substrate.Type: ApplicationFiled: November 30, 2021Publication date: October 27, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Min Ji JUNG, Doo Sik SEOL, Sung Min AN, Kyung Duck LEE, Kyung Ho LEE, Seung Ki JUNG, You Jin JEONG, Tae Sub JUNG, Jeong Jin CHO, Masato FUJITA
-
Publication number: 20220299554Abstract: The apparatus for ESD test includes a micro-controller unit client, a low voltage supply configured to output a low voltage on the basis of control by the micro-controller unit, a high voltage supply configured to output a high voltage on the basis of control by the micro-controller unit, and an ESD generator configured to generate an ESD voltage for an ESD test of a device under test (DUT) by using the low voltage and the high voltage, on the basis of control by the micro-controller unit. The ESD generator is a semiconductor integrated circuit module where a charging semiconductor switch, a discharging semiconductor switch, a switch driving block controlling a switching operation of each of the charging semiconductor switch and the discharging semiconductor switch, and a plurality of passive elements connected to the charging semiconductor switch and the discharging semiconductor switch are implemented as package, for generating the ESD voltage.Type: ApplicationFiled: October 26, 2021Publication date: September 22, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Yun JUNG, Hyun Gyu JANG, Kun Sik PARK, JONG IL WON, Sung Kyu KWON, Jong Won LIM, Doo Hyung CHO
-
Publication number: 20220300117Abstract: A display device including a touch sensing unit including a first touch conductive layer, a first touch insulating layer disposed on the first touch conductive layer, and a second touch conductive layer disposed on the first touch insulating layer. The touch sensor area includes a first touch sensor area located at a center of the touch sensor area, and a second touch sensor area located between the first touch sensor area and the curved portion. The first touch conductive layer includes a touch connection electrode connecting adjacent first touch electrodes, and a plurality of capacitance (cap) compensation patterns arranged in the second touch sensor area. The plurality of cap compensation patterns includes a first cap compensation pattern electrically connected to the adjacent first touch electrode and a second cap compensation pattern electrically connected to the adjacent second touch electrode.Type: ApplicationFiled: June 6, 2022Publication date: September 22, 2022Inventors: Sung Jin YANG, Ki Cheol KIM, Sung Hee KIM, Hyun Sik PARK, Chun Gi You, Sung Ho CHO, Min Ho CHAE
-
Patent number: 11430617Abstract: An example portable electronic device includes a front glass cover; a rear cover; a bezel surrounding a space defined by the front cover and the rear cover, the bezel including a portion including an opening; a display device built in the space; and a plate including a plane parallel to the front cover within the space. The example electronic device includes a key movably inserted in the opening; a support structure mounted on the plate or a portion of the bezel and including a hole through which the key passes; a dome button mounted on the support structure and arranged to face the first surface of the key and the hole so that the key can be pressed; and a waterproof structure including a flexible material.Type: GrantFiled: January 19, 2021Date of Patent: August 30, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-Min Choi, Hyuk-Jae Jang, Woong-Chan Kim, Jung-Tae Kim, Dae-Hyeong Park, Sang-Hyun Yi, Jae-Ryang Lee, Jeong-Goo Jeon, Sung-Gun Cho, Sung-Joo Cho, Young-Sik Choi, Soon-Woong Yang, Min-Sung Lee
-
Patent number: 11409155Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.Type: GrantFiled: March 10, 2021Date of Patent: August 9, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Byung Park, Sung Sik Yun, Jong Hyuk Kang, Hae Il Park, Hyun Min Cho
-
Patent number: 11403997Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.Type: GrantFiled: April 11, 2019Date of Patent: August 2, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
-
Patent number: 11373587Abstract: A pixel includes first and second sub-emission areas enclosed by a bank; a first light source unit disposed in the first sub-emission area, and including at least one first light emitting element connected between at least one first split electrode and a second power supply; a second light source unit disposed in the second sub-emission area, and including at least one second light emitting element connected between at least one second split electrode and the second power supply; a first driving circuit connected between a first power supply and the at least one first split electrode, and supplying a first driving current to the first light source unit in response to a first data signal; and a second driving circuit connected between the first power supply and the second split electrode, and supplying a second driving current to the second light source unit in response to a second data signal.Type: GrantFiled: April 11, 2019Date of Patent: June 28, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Oh Kwag, Won Sik Oh, Keun Kyu Song, Sung-Chan Jo, Hyun Min Cho
-
Patent number: 10598846Abstract: An optical sheet module consisting of optical sheets having different thicknesses, includes: a first base film having a predetermined thickness and transmitting light from a lower portion thereof through an upper portion thereof; an upper optical sheet formed on the first base film and having a first structural pattern in which the upper optical sheet protrudes upwardly and the cross-sectional area thereof decreases when progressing toward an upper portion thereof; a second based film laminated beneath the upper optical sheet so as to transmit light from a lower portion thereof to the upper optical sheet; and a lower optical sheet formed on the second base film and having a second structural pattern in which the lower optical sheet protrudes toward the upper optical sheet and the cross-sectional area thereof decreases when progressing toward an upper portion thereof. The first base film is relatively thicker than the second base film.Type: GrantFiled: June 24, 2013Date of Patent: March 24, 2020Assignee: LMS CO., LTD.Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Yong Jin Kang
-
Patent number: 10506707Abstract: A flexible display device including; a base film; a display sheet formed over the base film; and a structural pattern formed below the base film for moving a neutral plane with respect to a bending stress applied to the display sheet to a layer having relatively low rupture point among the layers consisting of the display sheet. The neutral plane is moved to a layer having a relative low rupture point in a flexible display device by forming the structural patterns so that the bending stress applying to the layer having a relative low rupture point can be minimized.Type: GrantFiled: March 3, 2014Date of Patent: December 10, 2019Assignee: LMS CO., LTDInventors: Jang Hee Cho, Chang Hyo Lee, Sung Sik Cho, Yong Il Kim, Joon Hwan Hwang
-
Patent number: 10191203Abstract: A stacking-type optical sheet module includes an upper optical sheet having a first structural pattern with first unit light-condensing bodies successively repeated and cross-sectional areas gradually decreasing towards the top. A lower optical sheet has a second structural pattern and is below the upper optical sheet in a stack. Second and third unit light-condensing bodies are successively disposed in the second structural pattern. The second unit bodies have a gradually decreasing cross-sectional area toward the top and are joined with the upper optical sheet, and the third unit bodies have a gradually decreasing cross-sectional area toward the top, a vertical distance from a lowest to a highest portion thereof being relatively shorter than a corresponding vertical distance of the second unit bodies. A vertical angle of the highest portion of the second unit bodies is relatively smaller than a vertical angle of the highest portion of the third unit bodies.Type: GrantFiled: January 6, 2015Date of Patent: January 29, 2019Assignee: LMS CO., LTDInventors: Sung Sik Cho, Dong Cheol Lee, Tae Jun Lee, Hee Jeong Kim
-
Patent number: 10180531Abstract: A laminated optical sheet module includes: an upper optical sheet having a first structure pattern in which a first unit light collector having an inclined surface, the cross-section area of which decrease when progressing upwardly, is continuously repeated; and a lower optical sheet laminated beneath the upper optical sheet and having a second structure pattern in which a second unit light collector having an inclined surface, the cross-sectional area of which decreases when progressing upwardly, is continuously repeated. The vertical distance between the lowermost portion and the uppermost portion of the second unit collector is greater than the vertical distance between the lowermost portion and the uppermost portion of the first unit collector. The surface area of the inclined surface of the second unit collector is relatively larger than the surface area of the inclined surface of the first unit collector.Type: GrantFiled: June 24, 2013Date of Patent: January 15, 2019Assignee: LMS Co., LTD.Inventors: Jee Hong Min, Young Il Kim, Sung Sik Cho, Woo Jong Lee, Tae Jun Lee, Hee Jeong Kim, Joon Hwan Hwang