Patents by Inventor Gilhwan YEO
Gilhwan YEO 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: 10057996Abstract: A foldable portable terminal device is disclosed. In one aspect, the device includes a flexible display configured to display an image and a foldable body accommodating the flexible display on a front side thereof. The device also includes first and second guide members disposed on opposing sides of the flexible display, wherein the first and second guide members are disposed on the front side of the body and extend in a length direction of the body. A first region of the body is configured to be folded so as to face a second region of the body. The first and second guide members are configured to guide an end of the first region to move in the length direction of the body while maintaining a predetermined interval with respect to the second region.Type: GrantFiled: November 14, 2016Date of Patent: August 21, 2018Assignee: Samsung Display Co., Ltd.Inventor: Gilhwan Yeo
-
Patent number: 10014494Abstract: Provided is a method of detaching a display module. The method of detaching the display module includes providing a carrier substrate, forming a display module, which is divided into a first area and a second area, on the carrier substrate, disposing a protective film covering the first area and exposing the second area on the display module, performing a first detaching process of detaching the second area from the carrier substrate by using a first detaching unit, and performing a second detaching process of detaching the protective film and the display module from the carrier substrate by using a second detaching unit.Type: GrantFiled: September 14, 2017Date of Patent: July 3, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gilhwan Yeo, Min-woo Lee, Seungjun Moon
-
Publication number: 20180108876Abstract: Provided is a method of detaching a display module. The method of detaching the display module includes providing a carrier substrate, forming a display module, which is divided into a first area and a second area, on the carrier substrate, disposing a protective film covering the first area and exposing the second area on the display module, performing a first detaching process of detaching the second area from the carrier substrate by using a first detaching unit, and performing a second detaching process of detaching the protective film and the display module from the carrier substrate by using a second detaching unit.Type: ApplicationFiled: September 14, 2017Publication date: April 19, 2018Inventors: Gilhwan Yeo, Min-woo Lee, Seungjun Moon
-
Publication number: 20170142848Abstract: A foldable portable terminal device is disclosed. In one aspect, the device includes a flexible display configured to display an image and a foldable body accommodating the flexible display on a front side thereof. The device also includes first and second guide members disposed on opposing sides of the flexible display, wherein the first and second guide members are disposed on the front side of the body and extend in a length direction of the body. A first region of the body is configured to be folded so as to face a second region of the body. The first and second guide members are configured to guide an end of the first region to move in the length direction of the body while maintaining a predetermined interval with respect to the second region.Type: ApplicationFiled: November 14, 2016Publication date: May 18, 2017Inventor: Gilhwan Yeo
-
Patent number: 9581839Abstract: The described technology generally relates to a method of manufacturing a display device and a manufacturing apparatus for the same. In one aspect, the method includes placing a carrier, in which a display panel is formed, into a film attachment portion such that the carrier is pulled onto a carrier adsorption surface of a first stage. The method also includes attaching a first protection film onto a first surface of the display panel in the film attachment portion, wherein the first surface is located opposite to a second surface of the display panel that faces the carrier. The method also includes first transferring the first stage to a carrier separation portion, separating the display panel from the carrier, and second transferring the display panel to a second stage such that the attached protection film is pulled onto a second film adsorption surface of the second stage.Type: GrantFiled: June 12, 2015Date of Patent: February 28, 2017Assignee: Samsung Display Co., Ltd.Inventor: Gilhwan Yeo
-
Patent number: 9576520Abstract: A display device having a substrate including a first display area, a second display area, a non-display area disposed adjacent to the first and second display areas, a plurality of first pixels disposed in the first display area, a plurality of second pixels disposed in the second display area, a first groove disposed in the non-display area and recessed downward from an upper surface of the substrate, a first flexible film disposed in the first groove, and a plurality of pad electrodes disposed on the first flexible film in the non-display area between the first and second display areas and connecting the first pixels are connected to the second pixels in a row.Type: GrantFiled: June 23, 2014Date of Patent: February 21, 2017Assignee: Samsung Display Co., Ltd.Inventors: DaeJin Park, Bumsoo Kam, Gilhwan Yeo, Hyung-Il Jeon
-
Publication number: 20160195753Abstract: A method of manufacturing a display device and a manufacturing apparatus for the same are disclosed. In one aspect, the method includes placing a carrier, in which a display panel is formed, into a film attachment portion such that the carrier is pulled onto a carrier adsorption surface of a first stage. The method also includes attaching a first protection film onto a first surface of the display panel in the film attachment portion, wherein the first surface is located opposite to a second surface of the display panel that faces the carrier. The method also includes first transferring the first stage to a carrier separation portion, separating the display panel from the carrier, and second transferring the display panel to a second stage such that the attached protection film is pulled onto a second film adsorption surface of the second stage.Type: ApplicationFiled: June 12, 2015Publication date: July 7, 2016Inventor: Gilhwan Yeo
-
Patent number: 9336702Abstract: A display apparatus includes an image data comparator which receives first, second and third color image data, extracts first, second and third image data from the first, second and third color image date by comparing gray scale values of the first, second and third color image date such that each of grayscale values of the second and third image data is greater than or equal to a gray scale value of the first image data, and compares the gray scale value of the first image data with a predetermined gray scale value, a driving circuit which generates a gray scale signal based on a result of the comparison and generates first and second color signals based on the first, second or third image data, and a pixel including a first sub-pixel which receives the gray scale signal, second and third sub-pixels which receive the first and second color signals, respectively.Type: GrantFiled: April 6, 2012Date of Patent: May 10, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangil Kim, Jang-Kyum Kim, Myung-Eun Kim, Namseok Roh, Gilhwan Yeo, Yeun Tae Kim, KyoungHo Lim
-
Patent number: 9301389Abstract: A display apparatus includes a flexible display panel configured to display an image, and a bending control portion including a plurality of blocks on a rear side of the display panel, the plurality of blocks being connected to each other and rotated toward the display panel at a predetermined angle, wherein first side surfaces of the blocks are spaced part from each other at a first distance, first side surfaces of the blocks being adjacent to front surfaces of the blocks facing the display panel, wherein second side surfaces of the blocks are adjacent to each other and substantially parallel to each other, the second side surfaces of the blocks being adjacent to rear surfaces of the blocks opposite the front surfaces of the blocks, and wherein the blocks are rotatable toward the display panel with respect to a border therebetween, such that the first distance decreases.Type: GrantFiled: December 18, 2013Date of Patent: March 29, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gilhwan Yeo, Jeongho Lee
-
Patent number: 9291843Abstract: A display apparatus includes a flexible display panel including a plurality of non-bending areas and a bending area between the non-bending areas, the flexible display panel being foldable along the bending area, a frame part in the non-bending areas of the flexible display panel and supporting the non-bending areas to prevent the non-bending areas from being bent, and a sensor in the bending area to sense folding of the flexible display panel.Type: GrantFiled: June 11, 2014Date of Patent: March 22, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Gilhwan Yeo, Bumsoo Kam, DaeJin Park
-
Patent number: 9042001Abstract: An electrophoretic display apparatus includes an array substrate, an opposite substrate facing the array substrate, and an electrophoretic layer disposed between the array substrate and the opposite substrate. The electrophoretic layer includes a non-polar solvent and a plurality of polar particles dispersed in the non-polar solvent. At least one of the array substrate or the opposite substrate includes a plurality of electric field forming electrodes respectively.Type: GrantFiled: April 2, 2012Date of Patent: May 26, 2015Assignee: Samsung Display Co., Ltd.Inventors: Myung-Eun Kim, Sangil Kim, Gilhwan Yeo, Yujin Kim, Byungseok Choi
-
Publication number: 20150130777Abstract: A display device having a substrate including a first display area, a second display area, a non-display area disposed adjacent to the first and second display areas, a plurality of first pixels disposed in the first display area, a plurality of second pixels disposed in the second display area, a first groove disposed in the non-display area and recessed downward from an upper surface of the substrate, a first flexible film disposed in the first groove, and a plurality of pad electrodes disposed on the first flexible film in the non-display area between the first and second display areas and connecting the first pixels are connected to the second pixels in a row.Type: ApplicationFiled: June 23, 2014Publication date: May 14, 2015Inventors: DaeJin Park, Bumsoo Kam, Gilhwan Yeo, Hyung-Il Jeon
-
Publication number: 20150109544Abstract: A display apparatus includes a flexible display panel including a plurality of non-bending areas and a bending area between the non-bending areas, the flexible display panel being foldable along the bending area, a frame part in the non-bending areas of the flexible display panel and supporting the non-bending areas to prevent the non-bending areas from being bent, and a sensor in the bending area to sense folding of the flexible display panel.Type: ApplicationFiled: June 11, 2014Publication date: April 23, 2015Inventors: Gilhwan YEO, Bumsoo KAM, DaeJin PARK
-
Publication number: 20140340856Abstract: A display apparatus includes a flexible display panel configured to display an image, and a bending control portion including a plurality of blocks on a rear side of the display panel, the plurality of blocks being connected to each other and rotated toward the display panel at a predetermined angle, wherein first side surfaces of the blocks are spaced part from each other at a first distance, first side surfaces of the blocks being adjacent to front surfaces of the blocks facing the display panel, wherein second side surfaces of the blocks are adjacent to each other and substantially parallel to each other, the second side surfaces of the blocks being adjacent to rear surfaces of the blocks opposite the front surfaces of the blocks, and wherein the blocks are rotatable toward the display panel with respect to a border therebetween, such that the first distance decreases.Type: ApplicationFiled: December 18, 2013Publication date: November 20, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Gilhwan YEO, Jeongho LEE
-
Patent number: 8791896Abstract: An electrophoretic display apparatus includes a first substrate including a plurality of pixels, a second substrate facing the first substrate, an electrophoretic material between the first and second substrates, and a first electrode on the first substrate or the second substrate. Each pixel includes a reflection part and a second electrode. The reflection part is on the first substrate and reflects light incident through the second substrate. The second electrode is on the first substrate and adjacent to the reflection part. The second electrode forms an electric field with the first electrode such that the electrophoretic material moves to the first electrode or the second electrode. An upper surface of the second electrode is positioned at a first height from the first substrate, and an upper surface of an uppermost layer of the reflection part is positioned at a second height higher than the first height.Type: GrantFiled: December 13, 2011Date of Patent: July 29, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seonggyu Kwon, Gilhwan Yeo, Myung-Eun Kim, Byungseok Choi, Jung-Moo Hong, SonUk Lee, Sang-Hee Jang
-
Patent number: 8749867Abstract: An electrowetting display panel includes an array substrate, a cover substrate, an electrowetting layer, and a hydrophobic pattern. The array substrate includes a display area and a peripheral area surrounding the display area and the cover substrate faces the array substrate. The electrowetting layer is disposed between the array substrate and the cover substrate and includes a polar fluid as a first fluid and a non-polar fluid as a second fluid. The hydrophobic pattern is disposed in the peripheral area.Type: GrantFiled: September 12, 2012Date of Patent: June 10, 2014Assignee: Liquavista B.V.Inventors: Chanuk Jon, Gilhwan Yeo, Jinbo Shim, Jaejin Lyu, Wonil Choi, Wangsu Hong
-
Publication number: 20130301106Abstract: An electrowetting display panel includes an array substrate, a cover substrate, an electrowetting layer, and a hydrophobic pattern. The array substrate includes a display area and a peripheral area surrounding the display area and the cover substrate faces the array substrate. The electrowetting layer is disposed between the array substrate and the cover substrate and includes a polar fluid as a first fluid and a non-polar fluid as a second fluid. The hydrophobic pattern is disposed in the peripheral area.Type: ApplicationFiled: September 12, 2012Publication date: November 14, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Chanuk JON, Gilhwan YEO, Jinbo SHIM, Jaejin LYU, Wonil CHOI, Wangsu HONG
-
Publication number: 20130271445Abstract: A display device is capable of operating in a first mode and is capable of operating in a second mode. The display device includes a first image display unit that includes a photonic crystal layer, the photonic crystal layer being configured to be substantially transparent when the display device operates in the first mode and being configured to display at least an image when the display device operates in the second mode. The display device further includes a second image display unit overlapping the first image display unit and configured to turned on in the first mode to display at least an image and turned off in the second mode.Type: ApplicationFiled: March 15, 2013Publication date: October 17, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: JAE BYUNG PARK, HAEIL PARK, DONCHAN CHO, SUNGTAE SHIN, Gilhwan YEO
-
Publication number: 20130050805Abstract: An electrophoretic display apparatus includes an array substrate, an opposite substrate facing the array substrate, and an electrophoretic layer disposed between the array substrate and the opposite substrate. The electrophoretic layer includes a non-polar solvent and a plurality of polar particles dispersed in the non-polar solvent. At least one of the array substrate or the opposite substrate includes a plurality of electric field forming electrodes respectively.Type: ApplicationFiled: April 2, 2012Publication date: February 28, 2013Inventors: Myung-Eun Kim, Sangil Kim, Gilhwan Yeo, Yujin Kim, Byungseok Choi
-
Publication number: 20130033531Abstract: A display apparatus includes an image data comparator which receives first, second and third color image data, extracts first, second and third image data from the first, second and third color image date by comparing gray scale values of the first, second and third color image date such that each of grayscale values of the second and third image data is greater than or equal to a gray scale value of the first image data, and compares the gray scale value of the first image data with a predetermined gray scale value, a driving circuit which generates a gray scale signal based on a result of the comparison and generates first and second color signals based on the first, second or third image data, and a pixel including a first sub-pixel which receives the gray scale signal, second and third sub-pixels which receive the first and second color signals, respectively.Type: ApplicationFiled: April 6, 2012Publication date: February 7, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: SANGIL KIM, Jang-Kyum KIM, Myung-Eun KIM, NAMSEOK ROH, Gilhwan YEO, YEUN TAE KIM, KyoungHo LIM