Patents by Inventor Man-Seob Choi
Man-Seob 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).
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Patent number: 10504970Abstract: An organic light emitting diode display that maintains a luminance distribution characteristic of each pixel at the side substantially similar to a luminance distribution characteristic of each pixel at the front of the OLED display by improving a twist of a lateral color with respect to a front color. The organic light emitting diode display includes a substrate, a driving wire disposed on the substrate, a color filter disposed on the driving wire. The color filter includes a blue color filter, a red color filter, and a green color filter formed on the driving wire; and an organic light emitting diode disposed on the color filter, where a recess portion is defined at a lower surface of the blue color filter, and a convex portion is defined at a lower surface of the red color filter or the green color filter.Type: GrantFiled: November 29, 2017Date of Patent: December 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Woo Kim, Jae-Ik Lim, Man-Seob Choi, Won-Gyun Kim, Won-Sang Park
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Publication number: 20180083071Abstract: An organic light emitting diode display includes: a substrate; a driving wire disposed on the substrate; a color filter disposed on the driving wire, where the color filter includes a blue color filter, a red color filter, and a green color filter formed on the driving wire; and an organic light emitting diode disposed on the color filter, where a width of the blue color filter is greater than a width of the red color filter or the green color filter.Type: ApplicationFiled: November 29, 2017Publication date: March 22, 2018Inventors: Min-Woo KIM, Jae-Ik LIM, Man-Seob CHOI, Won-Gyun KIM, Won-Sang PARK
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Patent number: 9859342Abstract: An organic light emitting diode display that maintains a luminance distribution characteristic of each pixel at the side substantially similar to a luminance distribution characteristic of each pixel at the front of the OLED display by improving a twist of a lateral color with respect to a front color. The organic light emitting diode display includes a substrate, a driving wire disposed on the substrate, a color filter disposed on the driving wire. The color filter includes a blue color filter, a red color filter, and a green color filter formed on the driving wire; and an organic light emitting diode disposed on the color filter, where a width of the blue color filter is greater than a width of the red color filter or the green color filter.Type: GrantFiled: August 27, 2013Date of Patent: January 2, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Woo Kim, Jae-Ik Lim, Man-Seob Choi, Won-Gyun Kim, Won-Sang Park
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Patent number: 9640782Abstract: An organic light-emitting display apparatus includes a substrate, an optical layer formed over the substrate and a light emitting pixel formed over the optical layer. The optical layer includes a first refractive index layer portion having a first refractive index, a second refractive index layer portion having a second refractive index greater than the first refractive index. The second portion is disposed next to the first portion and contacts the first portion. The light emitting pixel includes a pixel electrode overlapping the first portion and comprising a first reflective layer, a pixel-defining film overlapping the second portion, an intermediate layer formed over the pixel electrode and comprising an organic light emission layer, and an opposite electrode formed over and overlapping the intermediate layer and the pixel-defining film and comprising a second reflective layer.Type: GrantFiled: April 26, 2016Date of Patent: May 2, 2017Assignee: Samsung Display Co., Ltd.Inventors: Man-Seob Choi, Katsumasa Yoshii
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Patent number: 9484557Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate which includes non-emission regions and emission regions, a first electrode which is formed on each of the emission regions of the substrate, an organic light-emitting layer which is formed on the first electrode, a second electrode which is formed on the organic light-emitting layer and the substrate and a passivation layer which is formed on the second electrode. The passivation layer includes a first passivation layer which substantially overlaps the organic light-emitting layer and a second passivation layer which does not overlap the organic light-emitting layer, wherein the refractive index of the first passivation layer is higher than the refractive index of the second passivation layer.Type: GrantFiled: February 16, 2016Date of Patent: November 1, 2016Assignee: Samsung Display Co., Ltd.Inventors: Man Seob Choi, Min Woo Kim
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Publication number: 20160240819Abstract: An organic light-emitting display apparatus includes a substrate, an optical layer formed over the substrate and a light emitting pixel formed over the optical layer. The optical layer includes a first refractive index layer portion having a first refractive index, a second refractive index layer portion having a second refractive index greater than the first refractive index. The second portion is disposed next to the first portion and contacts the first portion. The light emitting pixel includes a pixel electrode overlapping the first portion and comprising a first reflective layer, a pixel-defining film overlapping the second portion, an intermediate layer formed over the pixel electrode and comprising an organic light emission layer, and an opposite electrode formed over and overlapping the intermediate layer and the pixel-defining film and comprising a second reflective layer.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Inventors: Man-Seob Choi, Katsumasa Yoshii
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Publication number: 20160164049Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate which includes non-emission regions and emission regions, a first electrode which is formed on each of the emission regions of the substrate, an organic light-emitting layer which is formed on the first electrode, a second electrode which is formed on the organic light-emitting layer and the substrate and a passivation layer which is formed on the second electrode. The passivation layer includes a first passivation layer which substantially overlaps the organic light-emitting layer and a second passivation layer which does not overlap the organic light-emitting layer, wherein the refractive index of the first passivation layer is higher than the refractive index of the second passivation layer.Type: ApplicationFiled: February 16, 2016Publication date: June 9, 2016Inventors: Man Seob Choi, Min Woo Kim
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Patent number: 9356079Abstract: An organic light-emitting display apparatus includes a substrate, an optical layer formed over the substrate and a light emitting pixel formed over the optical layer. The optical layer includes a first refractive index layer portion having a first refractive index, a second refractive index layer portion having a second refractive index greater than the first refractive index. The second portion is disposed next to the first portion and contacts the first portion. The light emitting pixel includes a pixel electrode overlapping the first portion and comprising a first reflective layer, a pixel-defining film overlapping the second portion, an intermediate layer formed over the pixel electrode and comprising an organic light emission layer, and an opposite electrode formed over and overlapping the intermediate layer and the pixel-defining film and comprising a second reflective layer.Type: GrantFiled: October 29, 2014Date of Patent: May 31, 2016Assignee: Samsung Display Co., Ltd.Inventors: Man-Seob Choi, Katsumasa Yoshii
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Patent number: 9293735Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate which includes non-emission regions and emission regions, a first electrode which is formed on each of the emission regions of the substrate, an organic light-emitting layer which is formed on the first electrode, a second electrode which is formed on the organic light-emitting layer and the substrate and a passivation layer which is formed on the second electrode. The passivation layer includes a first passivation layer which substantially overlaps the organic light-emitting layer and a second passivation layer which does not overlap the organic light-emitting layer, wherein the refractive index of the first passivation layer is higher than the refractive index of the second passivation layer.Type: GrantFiled: April 1, 2014Date of Patent: March 22, 2016Assignee: Samsung Display Co., Ltd.Inventors: Man Seob Choi, Min Woo Kim
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Publication number: 20150372066Abstract: An organic light-emitting display apparatus includes a substrate, an optical layer formed over the substrate and a light emitting pixel formed over the optical layer. The optical layer includes a first refractive index layer portion having a first refractive index, a second refractive index layer portion having a second refractive index greater than the first refractive index. The second portion is disposed next to the first portion and contacts the first portion. The light emitting pixel includes a pixel electrode overlapping the first portion and comprising a first reflective layer, a pixel-defining film overlapping the second portion, an intermediate layer formed over the pixel electrode and comprising an organic light emission layer, and an opposite electrode formed over and overlapping the intermediate layer and the pixel-defining film and comprising a second reflective layer.Type: ApplicationFiled: October 29, 2014Publication date: December 24, 2015Inventors: Man-Seob Choi, Katsumasa Yoshii
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Patent number: 9184418Abstract: An organic light emitting diode (OLED) display is disclosed. In one aspect, the display includes a substrate having a plurality of pixel areas, color filters respectively disposed in the pixel areas, a passivation layer disposed on the color filters, a first electrode disposed on the passivation layer. The display also includes a light emitting layer disposed on the first electrode and a second electrode disposed on the light emitting layer. At least a portion of the color filters is provided with a concavo-convex pattern formed on an upper surface thereof.Type: GrantFiled: September 17, 2013Date of Patent: November 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Man Seob Choi, Jae Ik Lim
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Patent number: 9159776Abstract: An organic light emitting diode (OLED) display includes: a substrate; and a plurality of pixels positioned on the substrate. Each pixel includes a thin film transistor positioned on the substrate, an interlayer insulating layer and a light path control layer positioned on the thin film transistor, a first electrode positioned on the light path control layer and connected to the thin film transistor, an organic emission layer positioned on the first electrode, and a second electrode positioned on the organic emission layer, and the light path control layer includes a first control layer, a second control layer having a larger refractive index than the first control layer, and a middle layer having the same refractive index as the first control layer.Type: GrantFiled: March 17, 2014Date of Patent: October 13, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Kyoung Kim, Man-Seob Choi, Won-Gyun Kim, Hae-Yun Choi, Jong-In Baek
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Patent number: 9076739Abstract: An organic light-emitting display apparatus includes an insulating layer including a inclined structure; a first electrode on the insulating layer; a pixel defining layer on the insulating layer and the first electrode, and defining an emissive region and a non-emissive region; a bump on the pixel defining layer; an organic emission layer on the first electrode; and a second electrode on the organic emission layer.Type: GrantFiled: August 29, 2013Date of Patent: July 7, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Yun Choi, Gee-Bum Kim, Man-Seob Choi
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Patent number: 9064830Abstract: An organic light emitting diode (OLED) display includes a transmission region and a reflection region. When external light is incident on the OLED display, a reflection rate of the external light of the reflection region is proportional to luminance of the transmission region. The transmission region includes a pixel electrode, an organic emission layer, and a common electrode. The transmission region is configured to transmit light emitted from the organic emission layer to a first direction. The reflection region includes a control electrode, liquid crystal capsules, and the common electrode. The reflection region is configured to reflect the external light to the first direction.Type: GrantFiled: February 7, 2014Date of Patent: June 23, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Ik Lim, Man-Seob Choi
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Patent number: 8975812Abstract: A polarization structure for a display device is disclosed. In one embodiment, the structure includes a retardation layer, a first polarizing layer, a first uniaxial optical compensation layer, a second polarizing layer and a second uniaxial optical compensation layer. The retardation layer may be configured to create a phase difference between two polarization components of an incident light. The first polarizing layer may be disposed on the retardation layer. The first uniaxial optical compensation layer may be disposed on the first polarizing layer. The second polarizing layer may be disposed on the first uniaxial optical compensation layer. The second uniaxial optical compensation layer may be disposed between the first polarizing layer and the first uniaxial optical compensation layer or between the first polarizing layer and the second polarizing layer.Type: GrantFiled: September 13, 2012Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Ik Lim, Man-Seob Choi, Yi-Joon Ahn, Gee-Bum Kim, Yong-Seok Yeo
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Publication number: 20150014650Abstract: An organic light emitting diode (OLED) display includes a transmission region and a reflection region. When external light is incident on the OLED display, a reflection rate of the external light of the reflection region is proportional to luminance of the transmission region. The transmission region includes a pixel electrode, an organic emission layer, and a common electrode. The transmission region is configured to transmit light emitted from the organic emission layer to a first direction. The reflection region includes a control electrode, liquid crystal capsules, and the common electrode. The reflection region is configured to reflect the external light to the first direction.Type: ApplicationFiled: February 7, 2014Publication date: January 15, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Ik LIM, Man-Seob Choi
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Publication number: 20150008397Abstract: An organic light emitting diode (OLED) display includes: a substrate; and a plurality of pixels positioned on the substrate. Each pixel includes a thin film transistor positioned on the substrate, an interlayer insulating layer and a light path control layer positioned on the thin film transistor, a first electrode positioned on the light path control layer and connected to the thin film transistor, an organic emission layer positioned on the first electrode, and a second electrode positioned on the organic emission layer, and the light path control layer includes a first control layer, a second control layer having a larger refractive index than the first control layer, and a middle layer having the same refractive index as the first control layer.Type: ApplicationFiled: March 17, 2014Publication date: January 8, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jae-Kyoung Kim, Man-Seob Choi, Won-Gyun Kim, Hae-Yun Choi, Jong-In Baek
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Publication number: 20150008399Abstract: An organic light-emitting diode (OLED) display and method of manufacturing the same are disclosed. In one aspect, the OLED display includes a substrate which includes non-emission regions and emission regions, a first electrode which is formed on each of the emission regions of the substrate, an organic light-emitting layer which is formed on the first electrode, a second electrode which is formed on the organic light-emitting layer and the substrate and a passivation layer which is formed on the second electrode. The passivation layer includes a first passivation layer which substantially overlaps the organic light-emitting layer and a second passivation layer which does not overlap the organic light-emitting layer, wherein the refractive index of the first passivation layer is higher than the refractive index of the second passivation layer.Type: ApplicationFiled: April 1, 2014Publication date: January 8, 2015Applicant: Samsung Display Co., Ltd.Inventors: Man Seob Choi, Min Woo Kim
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Publication number: 20140353595Abstract: An organic light-emitting display apparatus includes an insulating layer including a inclined structure; a first electrode on the insulating layer; a pixel defining layer on the insulating layer and the first electrode, and defining an emissive region and a non-emissive region; a bump on the pixel defining layer; an organic emission layer on the first electrode; and a second electrode on the organic emission layer.Type: ApplicationFiled: August 29, 2013Publication date: December 4, 2014Applicant: Samsung Display Co., Ltd.Inventors: Hae-Yun Choi, Gee-Bum Kim, Man-Seob Choi
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Publication number: 20140319470Abstract: An organic light emitting diode display includes: a substrate; a driving wire disposed on the substrate; a color filter disposed on the driving wire, where the color filter includes a blue color filter, a red color filter, and a green color filter formed on the driving wire; and an organic light emitting diode disposed on the color filter, where a width of the blue color filter is greater than a width of the red color filter or the green color filter.Type: ApplicationFiled: August 27, 2013Publication date: October 30, 2014Applicant: Samsung Display Co., Ltd.Inventors: Min-Woo KIM, Jae-Ik LIM, Man-Seob CHOI, Won-Gyun KIM, Won-Sang PARK