Patents by Inventor Se-In Chang
Se-In Chang 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: 10243025Abstract: A display device includes: a first substrate including a display area and a pad area; a second substrate facing the first substrate; a touch unit on the second substrate; a window on the touch unit, the window covering the display area and the pad area; an adhesive layer between the window and the touch unit and under the window at the pad area; and a first light source unit under the window at the pad area.Type: GrantFiled: July 29, 2014Date of Patent: March 26, 2019Assignee: Samsung Display Co., Ltd.Inventor: Se-In Chang
-
Patent number: 9323091Abstract: A protective film configured to be positioned on a touch panel includes a transparent base material and a plurality of conductive particles included in the base material, and a manufacturing method of a protective film configured to be positioned on a touch panel includes: mixing conductive particles in a transparent base material composition; and pressing the base material composition to form a base material. According to exemplary embodiments, the protective film may reduce input errors by increasing touch sensitivity while protecting the touch panel.Type: GrantFiled: July 16, 2013Date of Patent: April 26, 2016Assignee: Samsung Display Co., Ltd.Inventor: Se-In Chang
-
Publication number: 20150185527Abstract: A display device includes: a first substrate including a display area and a pad area; a second substrate facing the first substrate; a touch unit on the second substrate; a window on the touch unit, the window covering the display area and the pad area; an adhesive layer between the window and the touch unit and under the window at the pad area; and a first light source unit under the window at the pad area.Type: ApplicationFiled: July 29, 2014Publication date: July 2, 2015Inventor: Se-In Chang
-
Publication number: 20140377520Abstract: Disclosed are a window for a display device including a window mother substrate for the display device; and a protective film disposed on the window mother substrate for the display device, wherein the protective film includes a multi-layer structure disposed on the window mother substrate for the display device, a first plastic substrate disposed on the multi-layer structure, and a second plastic substrate disposed on the first plastic substrate, and a display device including the same.Type: ApplicationFiled: January 17, 2014Publication date: December 25, 2014Applicant: Samsung Display Co., Ltd.Inventor: Se-In CHANG
-
Patent number: 8891039Abstract: A display module includes a display panel configured to display an image and a backlight. The backlight includes a light guide panel configured to guide light to the display panel, a light source element configured to supply light to the light guide panel, and a reflection sheet disposed over the light guide panel, wherein a chromaticity compensation layer is formed in the backlight unit. The chromaticity compensation layer formed in the backlight reduces yellowing.Type: GrantFiled: August 10, 2011Date of Patent: November 18, 2014Assignee: Samsung Display Co., Ltd.Inventor: Se-In Chang
-
Publication number: 20140102762Abstract: A protective film configured to be positioned on a touch panel includes a transparent base material and a plurality of conductive particles included in the base material, and a manufacturing method of a protective film configured to be positioned on a touch panel includes: mixing conductive particles in a transparent base material composition; and pressing the base material composition to form a base material. According to exemplary embodiments, the protective film may reduce input errors by increasing touch sensitivity while protecting the touch panel.Type: ApplicationFiled: July 16, 2013Publication date: April 17, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventor: Se-In Chang
-
Patent number: 8403548Abstract: One or more embodiments of a backlight assembly include a light guide plate (LGP), a light source module and an optical sheet. The LGP includes a side surface and an upper surface. The light source module includes a power-transmitting member and a plurality of point light sources disposed on the power-transmitting member. A side portion of the power-transmitting member is disposed on a peripheral portion of the upper surface adjacent to the side surface and a light-exiting surface of the point light sources facing the side surface to be adjacent to the side surface. The optical sheet is disposed on the upper surface. A portion of the optical sheet is disposed between a corner portion of the upper surface and the power-transmitting member adjacent to the light-exiting surface. The amount of the light absorbed by a reflective member may be decreased to improve the efficiency of the light.Type: GrantFiled: March 31, 2009Date of Patent: March 26, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hwan-Jin Kim, Se-In Chang, Young-Bee Chu, Sang-Hee Lee, Jeong-Seok Oh, Jae-Lok Cha
-
Publication number: 20120182499Abstract: A display module includes a display panel configured to display an image and a backlight. The backlight includes a light guide panel configured to guide light to the display panel, a light source element configured to supply light to the light guide panel, and a reflection sheet disposed over the light guide panel, wherein a chromaticity compensation layer is formed in the backlight unit. The chromaticity compensation layer formed in the backlight reduces yellowing.Type: ApplicationFiled: August 10, 2011Publication date: July 19, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Se-In Chang
-
Patent number: 8057086Abstract: A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.Type: GrantFiled: March 17, 2010Date of Patent: November 15, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hwan-Jin Kim, Sang-Hee Lee, Kyoung-Don Lee, Se-In Chang, Jae-Kwang Kim, In-Hyuk Choi, Wal-Hee Kim, Jae-Lok Cha, Ji-Hwan Jang
-
Patent number: 7708443Abstract: A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.Type: GrantFiled: December 19, 2008Date of Patent: May 4, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Hwan-Jin Kim, Sang-Hee Lee, Kyoung-Don Lee, Se-In Chang, Jae-Kwang Kim, In-Hyuk Choi, Wal-Hee Kim, Jae-Lok Cha, Ji-Hwan Jang
-
Publication number: 20090296423Abstract: One or more embodiments of a backlight assembly include a light guide plate (LGP), a light source module and an optical sheet. The LGP includes a side surface and an upper surface. The light source module includes a power-transmitting member and a plurality of point light sources disposed on the power-transmitting member. A side portion of the power-transmitting member is disposed on a peripheral portion of the upper surface adjacent to the side surface and a light-exiting surface of the point light sources facing the side surface to be adjacent to the side surface. The optical sheet is disposed on the upper surface. A portion of the optical sheet is disposed between a corner portion of the upper surface and the power-transmitting member adjacent to the light-exiting surface. The amount of the light absorbed by a reflective member may be decreased to improve the efficiency of the light.Type: ApplicationFiled: March 31, 2009Publication date: December 3, 2009Inventors: Hwan-Jin Kim, Se-In Chang, Young-Bee Chu, Sang-Hee Lee, Jeong-Seok Oh, Jae-Lok Cha
-
Patent number: 7484875Abstract: A light guide unit for a point light source includes a light incident portion, a first reflecting portion and a second reflecting portion. The light emitted from the point light source enters to the light incident portion. The light incident portion includes an optical pattern diffusing an incident light corresponding to the point light source. The first reflecting portion reflects a first light of the incident light. The second reflecting portion roundly connects the first reflecting portion to the light incident portion and reflects a second light of the incident light.Type: GrantFiled: August 14, 2006Date of Patent: February 3, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Hwan-Jin Kim, Sang-Hee Lee, Kyoung-Don Lee, Se-In Chang, Jae-Kwang Kim, In-Hyuk Choi, Wal-Hee Kim, Jae-Lok Cha, Ji-Hwan Jang
-
Publication number: 20080259249Abstract: A display apparatus includes at least one display substrate, a light source which generates light, and a light-guide substrate which guides light generated by the light source to emit light toward the at least one display substrate. The light-guide substrate includes an incident surface adjacent to the light source, a first surface and a second surface. The first surface is extended from the incident surface and includes a first color filter layer which is formed thereon and displays color, and the second surface is opposite to the first surface.Type: ApplicationFiled: April 16, 2008Publication date: October 23, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Se-In Chang
-
Publication number: 20080024697Abstract: A liquid crystal display includes: an LC panel assembly for displaying an image; a backlight assembly 145 for providing light to the LC panel assembly; and at least one optical sheet disposed between the LC panel assembly and the backlight assembly, wherein the backlight assembly comprises at least one flexible printed circuit having a body including the light source and a connection portion separable from the body for connecting the body to a source of power.Type: ApplicationFiled: July 26, 2007Publication date: January 31, 2008Inventors: Wal-Hee KIM, Se-In Chang, Sang-Hee Lee
-
Patent number: 7248327Abstract: Disclosed are a liquid crystal display (LCD) device and a method for assembling the LCD device. The LCD device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a securing section for securing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the securing section that is directly facing to a rear surface of the receiving container. Accordingly, a total thickness and weight of the LCD device can be minimized and an assembly facility of the LCD device can be improved.Type: GrantFiled: May 15, 2006Date of Patent: July 24, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Jin-Ho Ha, Se-In Chang
-
Patent number: 7224416Abstract: There are provided a backlight assembly (700) and an LCD device (1000) using the same. The backlight assembly (700) has an optical sheet (100) for improving light efficiency and optical properties thereof and an elastic adhesive member (130) disposed on the optical sheet (100). When the optical sheet (100) deforms with heat, the elastic adhesive member (130) may be expanded or contracted corresponding to deformation of the optical sheet (100) and absorb impact applied to LCD device. Accordingly, the backlight assembly (700) may prevent the optical sheet (100) from being wrinkled or scratched, thereby preventing display quality of the LCD device from being deteriorated.Type: GrantFiled: February 20, 2003Date of Patent: May 29, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Guy-Ho Cha, Jong-Dae Park, Se-In Chang, Seok-Won Lee
-
Patent number: 7220045Abstract: A backlight assembly includes a receiving container, a reflecting member, a light source, and a diffusion plate. The receiving container includes a bottom plate and a sidewall upwardly protruded from sides of the bottom plate. The sidewall has at least one recess. The reflecting member includes a reflecting part and a fixing part extended from end portions of the reflecting part to be inserted into the at least one recess. The light source is disposed above the reflecting member to generate light. The diffusion plate is disposed above the light source to diffuse the light. As a result, the manufacturing process for fabricating the reflecting member may be simplified and a size of the backlight assembly may be decreased.Type: GrantFiled: September 19, 2005Date of Patent: May 22, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Se-In Chang
-
Patent number: 7220043Abstract: There is disclosed a backlight assembly for maximizing a light incidence efficiency by changing a construction of a light guide plate and a liquid crystal display device having the same. A light incidence surface of the light guide plate receiving a light from a lamp is inclined to make an obtuse angle with a light-emitting surface through which the light is transferred to the display unit. An open surface of a lamp cover that is disposed to face towards the light incidence surface is formed to have the same inclined angle as the light incidence surface of the light guide plate. In addition, a light reflecting plate and an optical sheet are respectively disposed on the top and bottom surfaces of the light guide plate, on which light absorbing layers, for absorbing light that leaks from the light guide plate, are formed at both ends thereof.Type: GrantFiled: July 30, 2004Date of Patent: May 22, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Guy-Ho Cha, Sung-Yong Kang, Se-In Chang
-
Patent number: RE44574Abstract: Disclosed are a liquid crystal display (LCD) device and a method for assembling the LCD device. The LCD device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a securing section for securing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the securing section that is directly facing to a rear surface of the receiving container. Accordingly, a total thickness and weight of the LCD device can be minimized and an assembly facility of the LCD device can be improved.Type: GrantFiled: July 24, 2009Date of Patent: November 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jin-Ho Ha, Se-In Chang
-
Patent number: RE47371Abstract: Disclosed are a liquid crystal display (LCD) device and a method for assembling the LCD device. The LCD device has a display section for displaying images, a receiving container for receiving the display section, a power supplying section for supplying a power source to the display section, a signal converting section for converting signals from the display section and a securing section for securing the power supplying section and the signal converting section to the receiving container. The power supplying section and the signal converting section are disposed between the display section and the securing section that is directly facing to a rear surface of the receiving container. Accordingly, a total thickness and weight of the LCD device can be minimized and an assembly facility of the LCD device can be improved.Type: GrantFiled: November 4, 2013Date of Patent: April 30, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jin-Ho Ha, Se-In Chang