Patents by Inventor Sang-Jo Lee
Sang-Jo 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).
-
Publication number: 20240162437Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.Type: ApplicationFiled: January 23, 2024Publication date: May 16, 2024Applicant: LG Energy Solution, Ltd.Inventors: So Ra Baek, Eun Sol Lho, Wang Mo Jung, Sang Wook Lee, Eun Jo
-
Patent number: 11942025Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.Type: GrantFiled: June 30, 2022Date of Patent: March 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jin Wan Kim, Seung Geun Lee, Sang Jo Kim, Su Jeong Kim, Young Jin Song, Byung Ju Lee
-
Publication number: 20240099081Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
-
Patent number: 11929002Abstract: A method of calculating a gamma-value for a display panel includes displaying a first color test image having a first target gray-level and then measuring a first luminance-value implemented by at least one first color-pixel included in a jth display-area, displaying a second color test image having the first target gray-level and then measuring a second luminance-value implemented by at least one second color-pixel included in the jth display-area, deriving an estimated driving current flowing in the second color-pixel at the first target gray-level based on RGB gray level-driving current curves, deriving a second target gray-level when the estimated driving current flows in the first color-pixel based on the RGB gray level-driving current curves, and calculating a target gamma-value to be applied to the first color-pixel included in the jth display-area based on the first target gray-level, the second target gray-level, the first luminance-value, and the second luminance-value.Type: GrantFiled: February 17, 2021Date of Patent: March 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dongwon Moon, Sungyoon Jo, Naoaki Komiya, Sang-Gon Lee
-
Patent number: 11916233Abstract: A positive electrode active material for a secondary battery which includes a nickel-based lithium composite transition metal oxide including nickel (Ni), wherein the lithium composite transition metal oxide satisfies Equation 1 and Equation 2 below 80 nm?crystallite sizeFWHM?150 nm??[Equation 1] ?size(|crystallite sizeIB?crystallite sizeFWHM|)?20??[Equation 2] wherein, in Equation 1 and Equation 2, crystallite sizeFWHM is a crystallite size obtained by calculating from X-ray diffraction (XRD) data using a full width at half maximum (FWHM) method, and crystallite sizeIB is a crystallite size obtained by calculating from XRD data using an integral breadth (IB) method.Type: GrantFiled: January 31, 2020Date of Patent: February 27, 2024Assignee: LG Energy Solution, Ltd.Inventors: So Ra Baek, Eun Sol Lho, Wang Mo Jung, Sang Wook Lee, Eun Jo
-
Patent number: 11864396Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: GrantFiled: March 30, 2023Date of Patent: January 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Cho, Yong Jae Park, Sang Jo Lee, Won Suk Choi, Yoon Sun Choi
-
Publication number: 20230240101Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: ApplicationFiled: March 30, 2023Publication date: July 27, 2023Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
-
Patent number: 11647652Abstract: A flexible display device includes a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: GrantFiled: November 2, 2020Date of Patent: May 9, 2023Assignee: Samsung Display Co, Ltd.Inventors: Ki Hyun Cho, Yong Jae Park, Sang Jo Lee, Won Suk Choi, Yoon Sun Choi
-
Publication number: 20230041645Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.Type: ApplicationFiled: October 25, 2022Publication date: February 9, 2023Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
-
Patent number: 11483690Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.Type: GrantFiled: December 22, 2020Date of Patent: October 25, 2022Assignee: CLOUDFLARE, INC.Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
-
Patent number: 11233112Abstract: A display device includes a display panel includes a display area in which an image is displayed and a first non-display area in which a pad portion is located. The display panel includes a first bending portion in the display area, the first bending portion being bent at a first curvature radius, and a second bending portion in the first non-display area, the second bending portion being bent at a second curvature radius that is smaller than the first curvature radius.Type: GrantFiled: July 10, 2019Date of Patent: January 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yoon Sun Choi, Sang Jo Lee, Yong Jae Park, Mi Jin Yoon
-
Publication number: 20210226206Abstract: Provided is a lithium secondary battery which includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode includes a lithium composite transition metal oxide powder having a layered structure and a nickel content accounting for 85 atm % or more of total transition metals, and wherein the lithium composite transition metal oxide powder undergoes a 3% or less change in lithium-oxygen (Li—O) interlayer spacing in a state-of-charge (SOC) range of 58% to 72%.Type: ApplicationFiled: June 19, 2019Publication date: July 22, 2021Applicant: LG Chem, Ltd.Inventors: Hyeon Hui Baek, Sung Ho Ban, Jun Ho Eom, Chae Jin Lim, Sang Jo Lee, Na Ri Park
-
Publication number: 20210112390Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.Type: ApplicationFiled: December 22, 2020Publication date: April 15, 2021Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
-
Publication number: 20210050399Abstract: A flexible display device includes a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
-
Patent number: 10904728Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.Type: GrantFiled: June 15, 2020Date of Patent: January 26, 2021Assignee: CLOUDFLARE, INC.Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
-
Patent number: 10903302Abstract: A display device including: a substrate including a first region and a second region; a signal line on the substrate and including a first layer and a second layer that overlap each other; and a first insulating layer between the substrate and the signal line, wherein a first organic layer may be between the first layer and the second layer in the first region, and the first layer and the second layer may be in direct contact with each other in the second region, and the first insulating layer may be disposed in an area in which the first organic layer is.Type: GrantFiled: February 13, 2020Date of Patent: January 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyung Hyun Baek, Sang Jo Lee
-
Patent number: 10825878Abstract: A flexible display device includes a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: GrantFiled: July 18, 2019Date of Patent: November 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Cho, Yong Jae Park, Sang Jo Lee, Won Suk Choi, Yoon Sun Choi
-
Publication number: 20200314617Abstract: Techniques for providing mobile device content delivery acceleration for mobile applications are discussed herein. Some embodiments may provide for a mobile accelerator system including a plurality of point-of-presences (POPs) and a control tower system. The control tower system may be configured to control mobile data transfer acceleration between a mobile device and the content server via the plurality of POPs of the mobile accelerator system. Each mobile application executing on the mobile device may be registered, validated, and then associated with a device POP that forms a dedicated connection with an entry POP of the plurality of POPs. Mobile data transfer acceleration for each mobile application may be selectively activated or deactivated, such as based on user configurations at the application level, domain name level, and/or country level.Type: ApplicationFiled: June 15, 2020Publication date: October 1, 2020Inventors: Jeff Sesung Kim, Junho Choi, Sang Jo Lee, Young Keun Park, Tianyu Shi
-
Patent number: 10743011Abstract: A method of decoding a bitstream, a method of accelerating an inverse transform, an apparatus, a video decoder, and a non-transitory computer-readable recording medium are provided. The method includes receiving an encoded bitstream, extracting transformation coefficients from the received bitstream, determining a position of a block including at least one nonzero transformation coefficient from among the extracted transformation coefficients, and generating decoded video data by inverse-transforming transformation coefficients in the block by using the determined position.Type: GrantFiled: October 16, 2014Date of Patent: August 11, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-jo Lee, Do-hyung Kim, Joon-ho Song
-
Patent number: RE49957Abstract: Provided are a method and apparatus for providing and using content advisory (CA) information on Internet contents. A method of providing CA information by using a CA information server, includes receiving a request for the CA information on a content, from an Internet Protocol television (IPTV); searching for CA information on the content; and transmitting the found CA information to the IPTV. A method of using CA information when an IPTV reproduces a content not having the CA information, according to the present invention, includes transmitting a request for CA information, to a CA information server; receiving the CA information from the CA information server; analyzing the CA information; and applying the CA information.Type: GrantFiled: May 29, 2020Date of Patent: April 30, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-shin Park, Kwang-hyuk Kim, Sung-wook Ahn, Sung-wook Byun, Sang-woong Lee, Eun-Hee Rhim, O-hoon Kwon, Sung-jin Park, In-chul Hwang, Mun-jo Kim