Patents by Inventor Yun-jung Cho
Yun-jung Cho 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: 8907345Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: GrantFiled: February 1, 2014Date of Patent: December 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Ju Kim, Sung-Jae Moon, Yun-Jung Cho, Bum-Ki Baek, Kwang-Hoon Lee, Byoung-Sun Na, Sung-Hoon Yang, Yoon-Jang Kim, Eun Cho
-
Patent number: 8854592Abstract: A liquid crystal display includes a lower panel and an upper panel facing each other. A liquid crystal layer is interposed between the lower panel and the upper panel. An attachment member attaches the lower panel and the upper panel and encloses the liquid crystal layer. A gate driver is integrated on the lower panel. The gate driver generates a gate signal and includes a plurality of stages. A plurality of control signal lines transmit a control signal to the gate driver. A passivation layer is disposed on the gate driver and the plurality of control signal lines. An alignment layer is disposed on the passivation layer and completely covers the gate driver and the plurality of control signal lines. The alignment layer includes a first region and a second region connected to the first region. The second region extends to an edge of the lower panel.Type: GrantFiled: April 21, 2010Date of Patent: October 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yun-Jung Cho, Seon-Kyoon Mok, Eun Cho, Byoung-Sun Na, Sung-Jae Moon
-
Publication number: 20140147774Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: ApplicationFiled: February 1, 2014Publication date: May 29, 2014Applicant: Samsung Display Co., LTD.Inventors: Yeon-Ju KIM, Sung-Jae MOON, Yun-Jung CHO, Bum-Ki BAEK, Kwang-Hoon LEE, Byoung-Sun NA, Sung-Hoon YANG, Yoon-Jang KIM, Eun CHO
-
Patent number: 8680527Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: GrantFiled: December 24, 2010Date of Patent: March 25, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yeon-Ju Kim, Sung-Jae Moon, Yun-Jung Cho, Bum-Ki Baek, Kwang-Hoon Lee, Byoung-Sun Na, Sung-Hoon Yang, Yoon-Jang Kim, Eun Cho
-
Patent number: 8670101Abstract: A display device according to an exemplary embodiment of the present invention includes: a substrate, a plurality of gate lines formed on the substrate, a plurality of data lines formed on the substrate, a plurality of switching elements connected to the gate lines and the data lines, a plurality of clock signal transmitting lines formed on the substrate, and a gate driver connected to the gate lines and the clock signal transmitting lines. A direction of each of the clock signal transmitting lines is changed approximately ninety degrees in a first region and a second region. The regions are disposed between an edge of the substrate and the gate driver. A symmetry is present between portions of the clock signal transmitting lines arranged in the first region and the second region.Type: GrantFiled: May 26, 2009Date of Patent: March 11, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yun-Jung Cho, Seong-Young Lee, Sahng-Ik Jun
-
Patent number: 8610858Abstract: A liquid crystal display device that is in a normally black mode where a screen is black when a voltage difference between a first insulating substrate and a second insulating substrate is zero, wherein a column spacer is positioned between the two substrates and the column spacer is in contact with a common voltage conductor pattern formed on the first insulating substrate and a common electrode formed on the second insulating substrate, such that a voltage difference between the common voltage conductor pattern and the common electrode is zero.Type: GrantFiled: July 23, 2010Date of Patent: December 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Seong-Young Lee, Dong-Gyu Kim, Yun-Jung Cho
-
Patent number: 8593492Abstract: A light guide plate, a backlight unit and a display apparatus including the same and a manufacturing method thereof are provided. The light guide plate includes: a body which includes an incident surface and an emission surface; at least one first optical path converter which is formed in an opposite surface of the body which is opposite to the emission surface, and extends continuously in a first direction to convert an optical path of an incident light introduced through the incident surface so that the incident light passes through the emission surface; and at least one second optical path converter which is formed in the opposite surface, and is arranged discontinuously in at least one row extending in the first direction.Type: GrantFiled: November 7, 2011Date of Patent: November 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Yun-jung Cho, Koichi Hanasaki, Dae-hee Lee, Hyeong-sik Choi, Myung-ryul Jung, Do-hyeon Baek, Sin-wook Hyung
-
Patent number: 8390769Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a gate line formed on the substrate, a data line intersecting the gate line and including a source electrode, a drain electrode facing the source electrode, a passivation layer formed on the data line and the drain electrode, a color filter formed on the passivation layer, a cover formed on the color filter and having a contact hole exposing the drain electrode, and a pixel electrode formed on the cover and connected to the drain electrode through the contact hole, wherein the cover includes a dummy hole exposing the color filter.Type: GrantFiled: July 23, 2010Date of Patent: March 5, 2013Assignee: Samsung Display Co., Ltd.Inventors: Young-Je Cho, Yoon-Jang Kim, Yun-Jung Cho, Kweon-Sam Hong, Yong-Jo Kim, Kee-Bum Park, Seon-Kyoon Mok, Woo-Jung Shin, Dong-Ho Shin, Kook-Hyun Choi
-
Patent number: 8345208Abstract: In a display substrate and a vertical alignment display panel having the same, the display panel includes an array substrate and an opposite substrate. A plurality of first slit portions are arranged through a pixel area of a common electrode on the array substrate, and the first slit portions extend in a slanted direction. A plurality of grooves and a plurality of protruding portions are alternately arranged at edges facing each other on the first slit portion, so that the first slit portions are patterned. A positive singular point is generated on a side surface of a protruding portion, and a negative singular point is generated between the positive singular points.Type: GrantFiled: September 23, 2011Date of Patent: January 1, 2013Assignee: Samsung Display Co., Ltd.Inventors: Sahng-Ik Jun, Yun-Jung Cho
-
Patent number: 8279385Abstract: The present invention relates to a liquid crystal display. A liquid crystal display according to exemplary embodiments of the present invention includes a substrate, and a pixel electrode formed on the substrate and including a plurality of minute branches. The pixel electrode includes a first region and a second region where a first distance and a second distance are provided according to an interval between the respective neighboring minute branches, wherein the second distance that is larger than the first distance, and a third region is provided between the first region and the second region, and the position of the third region having an interval between the neighboring minute branches is gradually changed.Type: GrantFiled: March 12, 2010Date of Patent: October 2, 2012Assignee: Samsung Display Co., Ltd.Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
-
Patent number: 8223290Abstract: A liquid crystal display includes a substrate, a plurality of a gate line and a plurality of a data line disposed on the substrate, a plurality of a thin film transistor each connected to a gate line and a data line, a plurality of a pixel electrode each connected to a thin film transistor, a common electrode facing the pixel electrodes, and a liquid crystal layer between the pixel electrodes and the common electrode. Each of the pixel electrodes includes a first longitudinal edge adjacent to a first data line and a second longitudinal edge adjacent to a second data line adjacent to the first data line. A first distance between an edge of the first longitudinal edge and the first data line is larger than a second distance between the second longitudinal edge and an edge of the second data line.Type: GrantFiled: July 30, 2009Date of Patent: July 17, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-Young Lee, Seung-Soo Baek, Yun-Jung Cho, Young-Goo Song
-
Publication number: 20120162281Abstract: A light guide plate, a backlight unit and a display apparatus including the same and a manufacturing method thereof are provided. The light guide plate includes: a body which includes an incident surface and an emission surface; at least one first optical path converter which is formed in an opposite surface of the body which is opposite to the emission surface, and extends continuously in a first direction to convert an optical path of an incident light introduced through the incident surface so that the incident light passes through the emission surface; and at least one second optical path converter which is formed in the opposite surface, and is arranged discontinuously in at least one row extending in the first direction.Type: ApplicationFiled: November 7, 2011Publication date: June 28, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yun-jung CHO, Koichi HANASAKI, Dae-hee LEE, Hyeong-sik CHOI, Myung-ryul JUNG, Do-hyeon BAEK, Sin-wook HYUNG
-
Publication number: 20120013838Abstract: In a display substrate and a vertical alignment display panel having the same, the display panel includes an array substrate and an opposite substrate. A plurality of first slit portions are arranged through a pixel area of a common electrode on the array substrate, and the first slit portions extend in a slanted direction. A plurality of grooves and a plurality of protruding portions are alternately arranged at edges facing each other on the first slit portion, so that the first slit portions are patterned. A positive singular point is generated on a side surface of a protruding portion, and a negative singular point is generated between the positive singular points.Type: ApplicationFiled: September 23, 2011Publication date: January 19, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sahng-Ik JUN, Yun-Jung CHO
-
Patent number: 8054434Abstract: In a display substrate and a vertical alignment display panel having the same, the display panel includes an array substrate and an opposite substrate. A plurality of first slit portions are arranged through a pixel area of a common electrode on the array substrate, and the first slit portions extend in a slanted direction. A plurality of grooves and a plurality of protruding portions are alternately arranged at edges facing each other on the first slit portion, so that the first slit portions are patterned. A positive singular point is generated on a side surface of a protruding portion, and a negative singular point is generated between the positive singular points.Type: GrantFiled: May 13, 2009Date of Patent: November 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Sahng-Ik Jun, Yun-Jung Cho
-
Publication number: 20110156046Abstract: A photomask includes; a source electrode pattern including; a first electrode portion which extends in a first direction, a second electrode portion which extends in the first direction and is substantially parallel to the first electrode portion, and a third electrode portion which extends from a first end of the first electrode portion to a first end of the second electrode portion and is rounded with a first curvature, a drain electrode pattern which extends in the first direction and is disposed between the first electrode portion and the second electrode portion, wherein an end of the drain electrode pattern is rounded to correspond to the third electrode portion; and a channel region pattern which is disposed between the source electrode pattern and the drain electrode pattern, wherein a center location of the first curvature and a center location of the rounded portion of the end of the drain electrode pattern are the same.Type: ApplicationFiled: December 24, 2010Publication date: June 30, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yeon-Ju KIM, Sung-Jae MOON, Yun-Jung CHO, Bum-Ki BAEK, Kwang-Hoon LEE, Byoung-Sun NA, Sung-Hoon YANG, Yoon-Jang KIM, Eun CHO
-
Publication number: 20110096279Abstract: A liquid crystal display device that is in a normally black mode where a screen is black when a voltage difference between a first insulating substrate and a second insulating substrate is zero, wherein a column spacer is positioned between the two substrates and the column spacer is in contact with a common voltage conductor pattern formed on the first insulating substrate and a common electrode formed on the second insulating substrate, such that a voltage difference between the common voltage conductor pattern and the common electrode is zero.Type: ApplicationFiled: July 23, 2010Publication date: April 28, 2011Inventors: Seong-Young Lee, Dong-Gyu Kim, Yun-Jung Cho
-
Publication number: 20110074748Abstract: A liquid crystal display includes a lower panel and an upper panel facing each other. A liquid crystal layer is interposed between the lower panel and the upper panel. An attachment member attaches the lower panel and the upper panel and encloses the liquid crystal layer. A gate driver is integrated on the lower panel. The gate driver generates a gate signal and includes a plurality of stages. A plurality of control signal lines transmit a control signal to the gate driver. A passivation layer is disposed on the gate driver and the plurality of control signal lines. An alignment layer is disposed on the passivation layer and completely covers the gate driver and the plurality of control signal lines. The alignment layer includes a first region and a second region connected to the first region. The second region extends to an edge of the lower panel.Type: ApplicationFiled: April 21, 2010Publication date: March 31, 2011Inventors: Yun-Jung Cho, Seon-Kyoon Mok, Eun Cho, Byoung-Sun Na, Sung-Jae Moon
-
Publication number: 20110075078Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a substrate, a gate line formed on the substrate, a data line intersecting the gate line and including a source electrode, a drain electrode facing the source electrode, a passivation layer formed on the data line and the drain electrode, a color filter formed on the passivation layer, a cover formed on the color filter and having a contact hole exposing the drain electrode, and a pixel electrode formed on the cover and connected to the drain electrode through the contact hole, wherein the cover includes a dummy hole exposing the color filter.Type: ApplicationFiled: July 23, 2010Publication date: March 31, 2011Inventors: YOUNG-JE CHO, Yoon-Jang Kim, Yun-Jung Cho, Kweon-Sam Hong, Yong-Jo Kim, Kee-Bum Park, Seon-Kyoon Mok, Woo-Jung Shin, Dong-Ho Shin, Kook-Hyun Choi
-
Publication number: 20110063557Abstract: The present invention relates to a liquid crystal display. A liquid crystal display according to exemplary embodiments of the present invention includes a substrate, and a pixel electrode formed on the substrate and including a plurality of minute branches. The pixel electrode includes a first region and a second region where a first distance and a second distance are provided according to an interval between the respective neighboring minute branches, wherein the second distance that is larger than the first distance, and a third region is provided between the first region and the second region, and the position of the third region having an interval between the neighboring minute branches is gradually changed.Type: ApplicationFiled: March 12, 2010Publication date: March 17, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
-
Patent number: 7889305Abstract: The liquid crystal display device includes a first insulation substrate, a gate line which is disposed on the first insulation substrate and extends substantially in a first direction, first and second data lines which are insulated from the gate line, extend substantially in a second direction and intersect the gate line, a pixel electrode which includes first and second sub-pixel electrodes which are each provided with different data voltages via the first and second data lines, respectively, and which are separated from each other by a gap, the second sub-pixel electrode at least partially overlapping the first and second data lines, a second insulation substrate which faces the first insulation substrate, a black matrix which is disposed on the second insulation substrate and includes an irregular shape and extends substantially along the first and second data lines and a liquid crystal layer which is interposed between the first and second insulation substrates.Type: GrantFiled: June 17, 2010Date of Patent: February 15, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-young Lee, Young-goo Song, Yun-jung Cho