Patents by Inventor Jang-seok Ma
Jang-seok Ma 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).
-
Patent number: 10145990Abstract: An optical film includes a polarizer and a first adhesive layer on the polarizer, where the first adhesive layer has a haze value of 90% or more.Type: GrantFiled: May 15, 2015Date of Patent: December 4, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jung Hee Son, Nam Seok Baik, Jang Seok Ma, Sang Woo An, Gyeong Im Lee, Duk Jin Lee
-
Patent number: 9874666Abstract: An optical film, a display device including the same, and a method of manufacturing the optical film, the film including a first refractive index layer including a plurality of protrusions; a second refractive index layer covering the plurality of protrusions, the second refractive index layer having a refractive index that is different from a refractive index of the first refractive index layer; and a support layer on the first refractive index layer or the second refractive index layer, wherein a ratio of a height to a width of the protrusion is 0.5 or more.Type: GrantFiled: July 3, 2014Date of Patent: January 23, 2018Assignees: SAMSUNG DISPLAY CO., LTD., SEKONIX CO., LTDInventors: Duk Jin Lee, Nam Seok Baik, Jang Seok Ma, Jung Hee Son, Gyeong-Im Lee, Jung Chul Seo, Seok Il Yoon, Chan Hee Lee
-
Patent number: 9829611Abstract: An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion.Type: GrantFiled: June 30, 2015Date of Patent: November 28, 2017Assignee: Samsung Display Co., Ltd.Inventors: Duk Jin Lee, Jang Seok Ma, Nam Seok Baik, Jung Hee Son, Sang Woo An, Gyeong Im Lee
-
Patent number: 9577020Abstract: An organic light-emitting display device includes a first substrate and a second substrate that face each other; an organic light-emitting device that is disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode facing the pixel electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.Type: GrantFiled: May 26, 2015Date of Patent: February 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: Len Kaplan, Valeriy Prushinskiy, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20160041313Abstract: An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion.Type: ApplicationFiled: June 30, 2015Publication date: February 11, 2016Inventors: Duk Jin Lee, Jang Seok Ma, Nam Seok Baik, Jung Hee Son, Sang Woo An, Gyeong Im Lee
-
Publication number: 20160033693Abstract: An optical film includes a polarizer and a first adhesive layer on the polarizer, where the first adhesive layer has a haze value of 90% or more.Type: ApplicationFiled: May 15, 2015Publication date: February 4, 2016Inventors: Jung Hee Son, Nam Seok Baik, Jang Seok Ma, Sang Woo An, Gyeong Im Lee, Duk Jin Lee
-
Publication number: 20150263080Abstract: An organic light-emitting display device includes a first substrate and a second substrate that face each other; an organic light-emitting device that is disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode facing the pixel electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.Type: ApplicationFiled: May 26, 2015Publication date: September 17, 2015Inventors: Len Kaplan, Valeriy Prushinskiy, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Patent number: 9083002Abstract: An organic light-emitting display device, having a first substrate, a second substrate facing the first substrate, a plurality of pixels disposed between the first and second substrates comprising a first electrode, a second electrode, and an organic light-emitting layer disposed between the first and second electrodes, for suppressing external light reflection and reducing pixel blurring by disposing a scattering structure in a direction a light is extracted at a distance equal to or below an adjacent pixel pitch.Type: GrantFiled: October 28, 2011Date of Patent: July 14, 2015Assignee: Samsung Display Co., Ltd.Inventors: Gun-Shik Kim, Jun-Sik Oh, Jang-Seok Ma
-
Patent number: 9041017Abstract: An organic light-emitting display device includes a first substrate and a second substrate; an organic light-emitting device disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.Type: GrantFiled: March 5, 2012Date of Patent: May 26, 2015Assignee: Samsung Mobile Display Co., Ltd.Inventors: Len Kaplan, Valeriy Prushinskiy, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20150043221Abstract: An optical film, a display device including the same, and a method of manufacturing the optical film, the film including a first refractive index layer including a plurality of protrusions; a second refractive index layer covering the plurality of protrusions, the second refractive index layer having a refractive index that is different from a refractive index of the first refractive index layer; and a support layer on the first refractive index layer or the second refractive index layer, wherein a ratio of a height to a width of the protrusion is 0.5 or more.Type: ApplicationFiled: July 3, 2014Publication date: February 12, 2015Inventors: Duk Jin LEE, Nam Seok BAIK, Jang Seok MA, Jung Hee SON, Gyeong-Im LEE, Jung Chul SEO, Seok Il YOON, Chan Hee LEE
-
Patent number: 8952599Abstract: A polarization structure for a display device is disclosed. In one embodiment, the polarization structure includes a retardation layer, a polarizing layer and a polarizing pattern. The retardation layer may be configured to produce a phase difference between two polarization components of an incident light. The polarizing layer may have an adsorption axis along a first direction on the retardation layer. The polarizing layer may include a first region and a second region surrounding at least one side of the first region. The polarizing pattern may have an adsorption axis along a second direction perpendicular to the first direction in the second region.Type: GrantFiled: November 1, 2012Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Hae-Goo Jung, Jang-Seok Ma
-
Patent number: 8946733Abstract: An organic light-emitting display apparatus that improves image quality characteristics, the organic light-emitting display apparatus including: a substrate; a first electrode formed on the substrate; a pixel-defining layer (PDL) formed on the first electrode to expose a set or predetermined region of the first electrode; an intermediate layer formed in the exposed predetermined region of the first electrode and including an organic emission layer; and a second electrode having a light-scattering face facing the substrate or facing oppositely away from the substrate, the second electrode being disposed on the intermediate layer.Type: GrantFiled: February 3, 2012Date of Patent: February 3, 2015Assignee: Samsung Display Co., Ltd.Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Min-Soo Kim, Kyong-Tae Park, Byoung-Seong Jeong, Jang-Seok Ma
-
Patent number: 8946711Abstract: An organic light-emitting display device including: a substrate; a plurality of pixels each including a first electrode, a second electrode, and an organic emission layer interposed between the first electrode and the second electrode; and a black matrix-containing neutral density (ND) film formed in a direction in which light is emitted from the plurality of pixels.Type: GrantFiled: February 7, 2012Date of Patent: February 3, 2015Assignee: Samsung Display Co., Ltd.Inventor: Jang-Seok Ma
-
Patent number: 8872201Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a substrate having first and second surfaces opposing each other and ii) an organic light emitting diode (OLED) formed over the substrate, wherein the OLED is closer to the first surface than the second surface of the substrate. The display may also include i) a light scattering layer formed between the first surface of the substrate and the organic light emitting diode and ii) a light absorbing layer formed between the first surface of the substrate and the light scattering layer or on the second surface of the substrate.Type: GrantFiled: March 23, 2011Date of Patent: October 28, 2014Assignee: Samsung Display Co., Ltd.Inventors: Gun-Shik Kim, Jun-Sik Oh, Jang-Seok Ma
-
Patent number: 8860034Abstract: An organic light-emitting display apparatus including: a first substrate; a second substrate disposed to face the first substrate; a first electrode disposed between the first substrate and the second substrate and a second electrode disposed to face the first electrode; and an organic light-emitting layer disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is a reflective electrode, and an optical property modification layer having at least one optical property modified from that of the reflective electrode is formed on a surface of the reflective layer.Type: GrantFiled: November 10, 2011Date of Patent: October 14, 2014Assignee: Samsung Display Co., Ltd.Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20120319122Abstract: An organic light-emitting display device including: a substrate; a plurality of pixels each including a first electrode, a second electrode, and an organic emission layer interposed between the first electrode and the second electrode; and a black matrix-containing neutral density (ND) film formed in a direction in which light is emitted from the plurality of pixels.Type: ApplicationFiled: February 7, 2012Publication date: December 20, 2012Inventor: Jang-Seok Ma
-
Publication number: 20120241772Abstract: An organic light-emitting display apparatus including: a first substrate; a second substrate disposed to face the first substrate; a first electrode disposed between the first substrate and the second substrate and a second electrode disposed to face the first electrode; and an organic light-emitting layer disposed between the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is a reflective electrode, and an optical property modification layer having at least one optical property modified from that of the reflective electrode is formed on a surface of the reflective layer.Type: ApplicationFiled: November 10, 2011Publication date: September 27, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Valeriy Prushinskiy, Len Kaplan, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20120241775Abstract: An organic light-emitting display device includes a first substrate and a second substrate that face each other; an organic light-emitting device that is disposed between the first and second substrates and includes a pixel electrode separately formed in each pixel, a common electrode facing the pixel electrode, and an organic light-emitting layer disposed between the pixel electrode and the common electrode; and an electrode unit and at least one wiring unit that are disposed between the first substrate and the second substrate, the electrode unit including at least one thin-film transistor for transmitting a light-emitting signal to the pixel electrode and at least one capacitor, wherein an optical property modification layer obtained by modifying an optical property of at least one of the electrode unit and the wiring unit is formed on a surface of the at least one of the electrode unit and the wiring unit.Type: ApplicationFiled: March 5, 2012Publication date: September 27, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Len Kaplan, Valeriy Prushinskiy, Se-Ho Cheong, Won-Sik Hyun, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20120235175Abstract: An organic light-emitting display apparatus that improves image quality characteristics, the organic light-emitting display apparatus including: a substrate; a first electrode formed on the substrate; a pixel-defining layer (PDL) formed on the first electrode to expose a set or predetermined region of the first electrode; an intermediate layer formed in the exposed predetermined region of the first electrode and including an organic emission layer; and a second electrode having a light-scattering face facing the substrate or facing oppositely away from the substrate, the second electrode being disposed on the intermediate layer.Type: ApplicationFiled: February 3, 2012Publication date: September 20, 2012Inventors: Valeriy Prushinskiy, Len Kaplan, So-Ho Cheong, Won-Sik Hyun, Min-Soo Kim, Kyong-Tae Park, Byoung-Seong Jeong, Jang-Seok Ma
-
Publication number: 20120104372Abstract: An organic light-emitting display device for suppressing external light reflection and reducing pixel blurring by disposing a scattering structure in a direction a light is extracted at a distance equal to or below an adjacent pixel pitch.Type: ApplicationFiled: October 28, 2011Publication date: May 3, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Gun-Shik Kim, Jun-Sik Oh, Jang-Seok Ma