Patents by Inventor Joo-nyung Jang
Joo-nyung Jang 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: 8279384Abstract: A substrate for a display panel includes a transparent electrode layer and an alignment layer. The transparent electrode layer is disposed on an insulating substrate, the transparent electrode layer being electrically floated. The alignment layer is disposed on the insulating substrate on which the transparent electrode layer is formed, and the alignment layer having a pre-tilt angle tilted about 85° to about 90° form the insulating substrate.Type: GrantFiled: March 26, 2009Date of Patent: October 2, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hee-Seop Kim, Hwa-Sung Woo, Cheol Shin, Joo-Nyung Jang
-
Patent number: 8264778Abstract: A display substrate includes a base substrate, a reflection-polarization member, a first electrode, an insulation layer and a pixel wall. The reflection-polarization member is disposed on the base substrate to reflect and polarize incident light. The first electrode is disposed in a unit pixel area of the reflection-polarization member. The insulation layer is disposed on the first electrode. The pixel wall is disposed on the insulation layer and defines the unit pixel area. Therefore, the entire area of a unit pixel may be used as a reflective area or a transmissive area, and thus an aperture ratio may be improved in a reflection mode or a transmission mode.Type: GrantFiled: April 8, 2011Date of Patent: September 11, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hyang-Yul Kim, Hee-Seop Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin, Yong-Hwan Shin
-
Patent number: 8259278Abstract: A liquid crystal display includes; first and second substrates facing each other, a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules, a first subpixel electrode disposed on the first substrate, the first subpixel electrode receiving a first data voltage, a second subpixel electrode disposed on the first substrate, the second subpixel electrode receiving a second data voltage; and a short protrusion disposed on the second substrate and simultaneously facing the first and second subpixel electrodes, wherein the liquid crystal layer is vertically aligned and has positive dielectric anisotropy.Type: GrantFiled: July 23, 2009Date of Patent: September 4, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Woon Kim, Hwa-Sung Woo, Joo-Nyung Jang, Mi-Jeong Song, Hwang-Yul Kim, Cheol Shin, Dong-Chul Shin, Hee-Seop Kim, Jung-Hyeon Kim
-
Patent number: 8228456Abstract: A liquid crystal display includes; a first substrate, a gate line disposed on the first substrate, a first data line disposed substantially perpendicularly to the gate line on the first substrate, and which insulates and the gate line, a first thin film transistor connected to the gate line and the first data line, a first pixel electrode connected to the first thin film transistor, a liquid crystal capacitor including the first pixel electrode and a second pixel electrode as two terminals thereof, and a liquid crystal layer disposed between the first pixel electrode and the second pixel electrode, and a short transistor having a control terminal connected to a previous gate line, and which is controlled to short the first pixel electrode to a voltage approaching a voltage of the second pixel electrode.Type: GrantFiled: November 16, 2009Date of Patent: July 24, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
-
Patent number: 8169559Abstract: In an array substrate and a method of manufacturing the array substrate, an array substrate includes a first switching element, a second switching element, a third switching element and a fourth switching element. The first switching element is electrically connected to a first data line. The second switching element is electrically connected to a second data line adjacent to the first data line. The third switching element is electrically connected to a data power line interposed between the first and second data lines. The fourth switching element is electrically connected to a gate power line receiving a voltage having different polarity from a voltage applied to the data power line. Therefore, light transmittance, opening ratio and display quality are improved.Type: GrantFiled: February 3, 2009Date of Patent: May 1, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hwa-Sung Woo, Joo-Nyung Jang, Cheol Shin, Yoon-Sung Um, Mi-Jeong Song
-
Publication number: 20120056856Abstract: A method of driving liquid crystal display panel includes generating a plurality of data frames from a data frame. A high data frame having a high luminance and a low data frame having a low luminance generated from two frames of the generated plurality of data frames. The high data frame and the low data frame are displayed on the liquid crystal display panel according to a time division rate. Accordingly, a pixel is space-divided into first and second sub areas having different distances between the first and second pixel electrodes, and the high data and the low data are time-divided and displayed on the pixel, enhancing visibility of the resulting image.Type: ApplicationFiled: February 16, 2011Publication date: March 8, 2012Inventors: Hwa-Sung WOO, Dong-Gyu Kim, Kye-Hun Lee, Hyang-Yul Kim, Joo-Nyung Jang
-
Publication number: 20120044448Abstract: Exemplary embodiments of the present invention provide a liquid crystal display that includes a first substrate, a gate line positioned on the first substrate, a data line and a voltage line crossing the gate line, a first switching element connected to the gate line and the data line, a second switching element connected to the gate line and the voltage line, a first pixel electrode connected to the first switching element and including a plurality of branches inclined with respect to the gate line, and a second pixel electrode connected to the second switching element and including a plurality of branches parallel to the first branches, wherein the sum of the lengths of the first branches is 90% to 100% of the sum of the lengths of the second branches.Type: ApplicationFiled: May 13, 2011Publication date: February 23, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyang-Yul KIM, Dong-Gyu KIM, Joo-Nyung JANG, Sung-Woon KIM, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
-
Publication number: 20120013814Abstract: A liquid crystal display wherein a first power source supply line and a second power source supply line are respectively applied with a first voltage and a second voltage having a predetermined magnitude, and a first power source supply line and a second power source supply line are disposed as a pair between a first pixel electrode and a second pixel electrode. The first voltage and the second voltage may have different polarities.Type: ApplicationFiled: February 25, 2011Publication date: January 19, 2012Inventors: Hwa-Sung Woo, Dong-Gyu Kim, Hyang-Yul Kim, Joo-Nyung Jang, Sung-Woon Kim, Cheol Shin, Dong-Chul Shin
-
Patent number: 8089570Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first and second substrate facing each other, a liquid crystal layer interposed between the substrates, a plurality of gate lines disposed on the first substrate, configured to transmit a gate signal, at least one data line disposed on the first substrate, configured to transmit a data signal, a plurality of power supplying lines disposed on the first substrate, a plurality of switching elements variously connected to the gate lines, data lines, and power supplying lines, a plurality of pixel electrodes connected to the switching elements, wherein corresponding pixel electrodes are separated from each other.Type: GrantFiled: March 29, 2010Date of Patent: January 3, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-Woon Kim, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Soon-Joon Rho, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
-
Patent number: 8068266Abstract: A display substrate includes a base substrate, a reflection-polarization member, a first electrode, an insulation layer and a pixel wall. The reflection-polarization member is disposed on the base substrate to reflect and polarize incident light. The first electrode is disposed in a unit pixel area of the reflection-polarization member. The insulation layer is disposed on the first electrode. The pixel wall is disposed on the insulation layer and defines the unit pixel area. Therefore, the entire area of a unit pixel may be used as a reflective area or a transmissive area, and thus an aperture ratio may be improved in a reflection mode or a transmission mode.Type: GrantFiled: July 14, 2009Date of Patent: November 29, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hyang-Yul Kim, Hee-Seop Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin, Yong-Hwan Shin
-
Patent number: 8025937Abstract: A liquid crystal electro-optic device. The liquid crystal electro-optic device comprises at least one liquid crystal cell comprising: a pair of substrates having a gap therebetween; a pair of electrodes, the pair of electrodes positioned on one of the substrates or one electrode positioned on each substrate; and a ferroelectric, oligosiloxane liquid crystal material disposed in the gap between the pair of substrates, the ferroelectric, oligosiloxane liquid crystal material exhibiting an I-? SmC* phase sequence wherein the liquid crystal electro-optic device is bistable in operation. The invention also involves a method for making a liquid crystal electro-optic device.Type: GrantFiled: April 12, 2007Date of Patent: September 27, 2011Assignees: Dow Corning Corporation, Cambridge Enterprise Ltd.Inventors: Terry Victor Clapp, Fumito Nishida, Jonathan Paul Hannington, Russell Keith King, Omar Farooq, William Alden Crossland, Joo-Nyung Jang, Huan Xu, Anthony Bernard Davey
-
Publication number: 20110181952Abstract: A display substrate includes a base substrate, a reflection-polarization member, a first electrode, an insulation layer and a pixel wall. The reflection-polarization member is disposed on the base substrate to reflect and polarize incident light. The first electrode is disposed in a unit pixel area of the reflection-polarization member. The insulation layer is disposed on the first electrode. The pixel wall is disposed on the insulation layer and defines the unit pixel area. Therefore, the entire area of a unit pixel may be used as a reflective area or a transmissive area, and thus an aperture ratio may be improved in a reflection mode or a transmission mode.Type: ApplicationFiled: April 8, 2011Publication date: July 28, 2011Inventors: Hyang-Yul KIM, Hee-Seop KIM, Joo-Nyung JANG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN, Yong-Hwan SHIN
-
Publication number: 20110128210Abstract: A liquid crystal display device includes a first thin film transistor connected to a first data line and controlling a first voltage output, a second thin film transistor connected to a second data line parallel to the first data line and controlling a second voltage output, a third thin film transistor connected to a third data line disposed between the first data line and the second data line and controlling a third voltage output, a first liquid crystal capacitor electrically connected to the first thin film transistor and the third thin film transistor, and a second liquid crystal capacitor electrically connected to the second thin film transistor and the third thin film transistor.Type: ApplicationFiled: December 1, 2009Publication date: June 2, 2011Inventors: Kwang-Chul JUNG, Mee-Hye Jung, Chong-Chul Chai, Hee-Seop Kim, Joo-Nyung Jang, Hwa-Sung Woo, Cheol Shin
-
Publication number: 20110037913Abstract: A liquid crystal display according to an exemplary embodiment of the present invention includes a first and second substrate facing each other, a liquid crystal layer interposed between the substrates, a plurality of gate lines disposed on the first substrate, configured to transmit a gate signal, at least one data line disposed on the first substrate, configured to transmit a data signal, a plurality of power supplying lines disposed on the first substrate, a plurality of switching elements variously connected to the gate lines, data lines, and power supplying lines, a plurality of pixel electrodes connected to the switching elements, wherein corresponding pixel electrodes are separated from each other.Type: ApplicationFiled: March 29, 2010Publication date: February 17, 2011Applicant: Samsung Electronics Co., Ltd.Inventors: Sung-Woon KIM, Hee-Seop Kim, Hyang-Yul Kim, Joo-Nyung Jang, Soon-Joon Rho, Hwa-Sung Woo, Cheol Shin, Dong-Chul Shin
-
Publication number: 20100328593Abstract: An optical film assembly includes a first polarization plate disposed below a liquid crystal layer and having a first absorption axis, a second polarization plate disposed above the liquid crystal layer and having a second absorption axis, an A-plate disposed between the first polarization plate and the second polarization plate, and a negative C-plate disposed between the first polarization plate and the second polarization plate. A thickness-direction phase retardation value of the negative C-plate is equal to or less than a value acquired by subtracting about 75 nanometers from a thickness-direction phase retardation value of the liquid crystal layer and the thickness-direction phase retardation value of the negative C-plate is equal to or greater than a value acquired by subtracting about 275 nanometers from the thickness-direction phase retardation value of the liquid crystal layer.Type: ApplicationFiled: December 7, 2009Publication date: December 30, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwa-Sung WOO, Seung-Ju LEE, Hee-Wook DO, Jeong-Soo CHOI, Hee-Seop KIM, Joo-Seok YEOM, Hyang-Yul KIM, Joo-Nyung JANG, Sung-Woon KIM, Cheol SHIN, Dong-Chul SHIN
-
Publication number: 20100302471Abstract: A liquid crystal display includes: first and second gate lines disposed on the first substrate and which respectively transmit first and second gate signals; first, second and third data lines disposed on the first substrate; a first switching element connected to the first gate line and the first data line; a second switching element connected to the first gate line and the second data line; a third switching element connected to the second gate line and the second data line; a fourth switching element connected to the second gate line and the third data line; first and second pixel electrodes respectively connected to the first and second switching and which form a first liquid crystal capacitor; and third and fourth pixel electrodes respectively connected to the third and fourth switching elements and which form a second liquid crystal capacitor.Type: ApplicationFiled: December 31, 2009Publication date: December 2, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Woon KIM, Hee-Seop KIM, Hyang-Yul KIM, Joo-Nyung JANG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
-
Publication number: 20100296015Abstract: A liquid crystal display includes: a first substrate and a second substrate disposed opposite the first substrate; a liquid crystal layer interposed between the first and second substrates and including liquid crystal molecules; a gate line which transmits a gate signal; first and second data lines which respectively transmit first and second data voltages, the first and second data voltages having opposite polarities; a first switching element connected to the gate line and the first data line; a second switching element connected to the gate line and the second data line; a first subpixel electrode connected to the first switching element; and a second subpixel electrode connected to the second switching element. The first and second subpixel electrodes overlap portions of the first and second data lines. The first and second subpixel electrodes include first and second branches, respectively, which are alternately arranged between the first and second data lines.Type: ApplicationFiled: January 11, 2010Publication date: November 25, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Woon KIM, Hee-Seop KIM, Hyang-Yul KIM, Joo-Nyung JANG, Chong-Chul CHAI, Mee-Hye JUNG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
-
Publication number: 20100225839Abstract: A liquid crystal display includes; a first substrate, a gate line disposed on the first substrate, a first data line disposed substantially perpendicularly to the gate line on the first substrate, and which insulates and the gate line, a first thin film transistor connected to the gate line and the first data line, a first pixel electrode connected to the first thin film transistor, a liquid crystal capacitor including the first pixel electrode and a second pixel electrode as two terminals thereof, and a liquid crystal layer disposed between the first pixel electrode and the second pixel electrode, and a short transistor having a control terminal connected to a previous gate line, and which is controlled to short the first pixel electrode to a voltage approaching a voltage of the second pixel electrode.Type: ApplicationFiled: November 16, 2009Publication date: September 9, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung-Woon KIM, Hee-Seop KIM, Hyang-Yul KIM, Joo-Nyung JANG, Hwa-Sung WOO, Cheol SHIN, Dong-Chul SHIN
-
Publication number: 20100208184Abstract: An array substrate includes first and second pixel electrodes. The first pixel electrode includes a plurality of first slit electrode portions and a first supporting electrode portion connected with the first slit electrode portions. The first slit electrode portions extend in a zigzag fashion along the shape of a unit pixel area and a first direction. The second pixel electrode includes a plurality of second slit electrode portions and a second supporting electrode portion connected with the second slit electrode portion. The second slit electrode portions extend in the zigzag fashion along the shape of the unit pixel area and the first direction. Side visibility and a response time may be improved, so that display quality may be improved.Type: ApplicationFiled: November 2, 2009Publication date: August 19, 2010Inventors: Cheol Shin, Hwa-Sung Woo, Kwang-Chul Jung, Dong-gyu Kim, Hyang-Yul Kim, Joo-Nyung Jang, Dong-Chul Shin, Hee-Seop Kim
-
Publication number: 20100207856Abstract: An array substrate includes a first pixel electrode and a second pixel electrode. The first pixel electrode includes first branch electrode portions and second branch electrode portions. The first branch electrode portions are disposed in a first area of a unit pixel area and are substantially parallel to a first side of the unit pixel area. The second branch electrode portions are disposed in a second area of the unit pixel area and are substantially parallel to a second side of the unit pixel area. The second pixel electrode includes third branch electrode portions disposed between the first branch electrode portions and fourth branch electrode portions disposed between the second branch electrode portions.Type: ApplicationFiled: February 8, 2010Publication date: August 19, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kwang-Chul JUNG, Joo-Nyung JANG, Hee-Seop KIM, Chong-Chul CHAI, Mee-Hye JUNG, Hwa-Sung WOO, Cheol SHIN