Patents by Inventor Tae-Jong Jun
Tae-Jong Jun 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).
-
Publication number: 20200073184Abstract: A liquid crystal display device includes a first row including first, second, and third first-color pixels; a second row including fourth, fifth, and sixth first-color pixels; and a third row including seventh, eighth, and ninth first-color pixels. The first, fourth, and seventh first-color pixels are aligned. The second, fifth, and eighth first-color pixels are aligned. The third, sixth, and ninth first-color pixels are aligned. The second first-color pixel is disposed between the first and third first-color pixels. Each pixel electrode of the first, third, fifth, seventh, and ninth first-color pixels may receive a high voltage for a gray level. Each pixel electrode of the second, fourth, sixth, and eighth first-color pixels may receive a low voltage for a gray level lower than the high voltage for a gray level. Liquid crystal molecules in each pixel have two domain directions.Type: ApplicationFiled: May 28, 2019Publication date: March 5, 2020Inventors: Ju Ki PARK, Tae-Jong JUN, Youn Hak JEONG, Won Jun LEE, Jin Joo HA
-
Patent number: 10515598Abstract: A method of driving a display panel includes determining a present polarity of a pixel data signal of a present frame, generating a first compensated grayscale of the pixel data signal of the present frame using a pixel data signal of a previous frame, the pixel data signal of the present frame, and the present polarity, and displaying an image using the first compensated grayscale. The first compensated grayscale varies according to the present polarity.Type: GrantFiled: January 11, 2017Date of Patent: December 24, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun Sik Hwang, Daecheol Kim, Yoongu Kim, Bongim Park, Ik Hyun Ahn, Woojoo Lee, Tae-Jong Jun
-
Publication number: 20190377226Abstract: A display apparatus includes a light source unit configured to output light, a display panel configured to display an image and including a first substrate, a second substrate facing the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, and a diffusion layer provided between the light source unit and the display panel and including scatterers for scattering the light supplied from the light source unit. The diffusion layer has a first concentration area in which the scatterers are provided at a first concentration, and a second concentration area in which the scatterers are provided at a second concentration.Type: ApplicationFiled: June 4, 2019Publication date: December 12, 2019Inventors: Jahun KOO, Jinho PARK, Kyung-hun LEE, Ho LEE, Tae-Jong JUN, Woo-young CHEON
-
Publication number: 20190369445Abstract: A color conversion display panel includes a substrate. A color conversion portion is disposed on the substrate. The color conversion portion includes a semiconductor nanocrystal. A transmission portion is disposed on the substrate. A blue light blocking filter is disposed between the substrate and the color conversion portion. The blue light blocking filter includes a first convex portion that protrudes toward the substrate. The transmission portion includes a first region including a scatterer and a second region including a second convex portion that protrudes toward the substrate.Type: ApplicationFiled: August 15, 2019Publication date: December 5, 2019Inventors: JA HUN KOO, KYUNG-HUN LEE, TAE-JONG JUN, WOO-YOUNG CHEON
-
Patent number: 10437546Abstract: A display apparatus includes a driver which receives an input image data (RGB), generates a compensation image data (RGBD) by compensating the input image data according to an equation 1, and generates a final image data by comparing the compensation image data to a maximum grayscale ? RGB D = RGB * D , wherein ? ? ? D = ( 100 decreasing ? ? ratio ? ? of ? ? luminance ) 1 ? , ? ? wherein ? ? ? ? ? is ? ? a ? ? gamma ? ? value , and ? ? decreasing ? ? ratio ? ? of ? ? luminance = real ? ? luminance target ? ? luminance * 100 ; ? equation ? ? 1 ? and a display panel which includes a plurality of unit pixels and displays an image based on the final image data.Type: GrantFiled: December 19, 2017Date of Patent: October 8, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae-Jong Jun, Sanghyun Lee, Jinseob Byun
-
Patent number: 10409110Abstract: A color conversion display panel includes a substrate. A color conversion portion is disposed on the substrate. The color conversion portion includes a semiconductor nanocrystal. A transmission portion is disposed on the substrate. A blue light blocking filter is disposed between the substrate and the color conversion portion. The blue light blocking filter includes a first convex portion that protrudes toward the substrate. The transmission portion includes a first region including a scatterer and a second region including a second convex portion that protrudes toward the substrate.Type: GrantFiled: January 12, 2018Date of Patent: September 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ja Hun Koo, Kyung-Hun Lee, Tae-Jong Jun, Woo-Young Cheon
-
Publication number: 20190198579Abstract: A display device may include: a display area; a peripheral area which is located outside the display area and in which a black matrix is disposed; and a plurality of pixel columns including: a first pixel column including a first pixel configured to display a first color; and a second pixel column including a second pixel configured to display a second color different from the first color, wherein an absolute value of a first boundary slope of a boundary line between the first pixel column and the black matrix may be greater than an absolute value of a second boundary slope of a boundary line between the second pixel column and the black matrix, and wherein the first color may be one of white and green.Type: ApplicationFiled: July 31, 2018Publication date: June 27, 2019Inventors: Dae Ki PARK, Tae Jong JUN
-
Publication number: 20190041700Abstract: A color conversion display panel includes a substrate. A color conversion portion is disposed on the substrate. The color conversion portion includes a semiconductor nanocrystal. A transmission portion is disposed on the substrate. A blue light blocking filter is disposed between the substrate and the color conversion portion. The blue light blocking filter includes a first convex portion that protrudes toward the substrate. The transmission portion includes a first region including a scatterer and a second region including a second convex portion that protrudes toward the substrate.Type: ApplicationFiled: January 12, 2018Publication date: February 7, 2019Inventors: Ja Hun KOO, Kyung-Hun LEE, Tae-Jong JUN, Woo-Young CHEON
-
Publication number: 20190019474Abstract: A display apparatus includes a driver which receives an input image data (RGB), generates a compensation image data (RGBD) by compensating the input image data according to an equation 1, and generates a final image data by comparing the compensation image data to a maximum grayscale ? ? equation ? ? 1 ? RGB D = RGB * D , wherein D = ( 100 decreasing ? ? ratio ? ? of ? ? luminance ) 1 ? , ? wherein ? ? ? ? ? is ? ? a ? ? gamma ? ? value , and decreasing ? ? ratio ? ? of ? ? luminance = real ? ? luminance target ? ? luminance * 100 ; and a display panel which includes a plurality of unit pixels and displays an image based on the final image data.Type: ApplicationFiled: December 19, 2017Publication date: January 17, 2019Inventors: Tae-Jong JUN, Sanghyun LEE, Jinseob BYUN
-
Publication number: 20190012972Abstract: A display apparatus includes a display panel, a gate driving circuit, and a data driving circuit. The display panel includes N gate lines, M data lines, and a plurality of pixels connected to the N gate lines and the M data lines. The gate driving circuit sequentially drives K-th, (K+2)-th, (K+4)-th, (K+12)-th, (K+14)-th, (K+16)-th, (K+24)-th, . . . , (N?11)-th, (N?9)-th, and (N?7)-th gate lines during a first subframe period, (K+6)-th, (K+8)-th, (K+10)-th, (K+18)-th, (K+20)-th, (K+22)-th, (K+30)-th, . . . , (N?5)-th, (N?3)-th, and (N?1)-th gate lines during a second subframe period, (K+1)-th, (K+3)-th, (K+5)-th, (K+13)-th, (K+15)-th, (K+17)-th, (K+25)-th, . . . , (N?10)-th, (N?8)-th, and (N?6)-th gate lines during a third subframe period, and (K+7)-th, (K+9)-th, (K+11)-th, (K+19)-th, (K+21)-th, (K+23)-th, (K+31)-th, . . . , (N?4)-th, (N?2)-th, and N-th gate lines during a fourth subframe period. The data driving circuit drives the M data lines by outputting data signals to the M data lines.Type: ApplicationFiled: April 9, 2018Publication date: January 10, 2019Inventors: JUKI PARK, TAE-JONG JUN, JINSEOB BYUN
-
Patent number: 10153331Abstract: A display device may include: a display area; a peripheral area disposed outside the display area and in which at least a part of a black matrix is disposed; and a plurality of pixel columns including: a first pixel column configured to display a first color, the first pixel column including a first boundary slope defined by a boundary line between the first pixel column and the black matrix; and a second pixel column disposed adjacent to the first pixel column, the second pixel column configured to display a second color different from the first color and including a second boundary slope defined by a boundary line between the second pixel column and the black matrix, wherein the first boundary slope may have a positive value, and the second boundary slope has a negative value.Type: GrantFiled: January 12, 2018Date of Patent: December 11, 2018Assignee: Samsung Display Co., Ltd.Inventors: Tae Jong Jun, Dae Ki Park, Jin Seob Byun, Woo Young Cheon
-
Publication number: 20170287418Abstract: A method of driving a display panel includes determining a present polarity of a pixel data signal of a present frame, generating a first compensated grayscale of the pixel data signal of the present frame using a pixel data signal of a previous frame, the pixel data signal of the present frame, and the present polarity, and displaying an image using the first compensated grayscale. The first compensated grayscale varies according to the present polarity.Type: ApplicationFiled: January 11, 2017Publication date: October 5, 2017Inventors: HYUN SIK HWANG, Daecheol Kim, Yoongu Kim, Bongim Park, Ik Hyun Ahn, Woojoo Lee, Tae-Jong Jun
-
Patent number: 9117414Abstract: A display apparatus includes a display panel which receives a light, a backlight which provides the light to the display panel in response to a driving voltage, and a backlight driver which applies the driving voltage to the backlight. The backlight is turned on and off during a communication period to transmit data to an external receiver using visible light communication during the communication period. The backlight driver controls a voltage level of the driving voltage according to a number of turn-on periods of the driving voltage during the communication period.Type: GrantFiled: March 5, 2014Date of Patent: August 25, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae-Jong Jun, Jongseo Lee, Jooyoung Lee, Soo-Lin Kim, Jung-Suk Han
-
Publication number: 20140184666Abstract: A display apparatus includes a display panel which receives a light, a backlight which provides the light to the display panel in response to a driving voltage, and a backlight driver which applies the driving voltage to the backlight. The backlight is turned on and off during a communication period to transmit data to an external receiver using visible light communication during the communication period. The backlight driver controls a voltage level of the driving voltage according to a number of turn-on periods of the driving voltage during the communication period.Type: ApplicationFiled: March 5, 2014Publication date: July 3, 2014Applicant: Samsung Display Co., Ltd.Inventors: Tae-Jong JUN, Jongseo LEE, Jooyoung LEE, Soo-Lin KIM, Jung-Suk HAN
-
Patent number: 8704749Abstract: A display apparatus includes a display panel which receives a light, a backlight which provides the light to the display panel in response to a driving voltage, and a backlight driver which applies the driving voltage to the backlight. The backlight is turned on and off during a communication period to transmit data to an external receiver using visible light communication during the communication period. The backlight driver controls a voltage level of the driving voltage according to a number of turn-on periods of the driving voltage during the communication period.Type: GrantFiled: November 17, 2009Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Tae-Jong Jun, Jongseo Lee, Jooyoung Lee, Soo-Lin Kim, Jung-Suk Han
-
Patent number: 8456596Abstract: A transparent display device includes a liquid crystal display (LCD) module and a transparent reflector. The LCD module includes an LCD panel having a liquid crystal layer, a light source providing light to the LCD panel, and a polarizing plate disposed between the light source and the LCD panel to polarize light from the light source. The transparent reflector and the LCD module are spaced apart. The transparent reflector displays the image by reflecting the image provided from the LCD panel. The transparency of the transparent reflector may be controlled, and the transparent reflector may have a curved shape.Type: GrantFiled: November 30, 2010Date of Patent: June 4, 2013Assignee: Samsung Display Co., Ltd.Inventors: Tae-Jong Jun, Jong-Seo Lee, Woo-Young Cheon, Joo-Young Lee, Soo-Lin Kim, Jung-Suk Han
-
Publication number: 20120038868Abstract: A transparent display device includes a liquid crystal display (LCD) module and a transparent reflector. The LCD module includes an LCD panel having a liquid crystal layer, a light source providing light to the LCD panel, and a polarizing plate disposed between the light source and the LCD panel to polarize light from the light source. The transparent reflector and the LCD module are spaced apart. The transparent reflector displays the image by reflecting the image provided from the LCD panel. The transparency of the transparent reflector may be controlled, and the transparent reflector may have a curved shape.Type: ApplicationFiled: November 30, 2010Publication date: February 16, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Tae-Jong JUN, Jong-Seo LEE, Woo-Young CHEON, Joo-Young LEE, Soo-Lin KIM, Jung-Suk HAN
-
Patent number: 8059083Abstract: An LCD apparatus displays a color image of a frame divided into a plurality of periods in which different colors are displayed. The LCD apparatus includes an LCD panel and a number of light-emitting units. The LCD panel includes a plurality of gate lines and a plurality of data lines crossing the plurality of the gate lines. The light-emitting units generate different colors in each of the periods such that an outermost light-emitting unit emits light longer than a second outermost light-emitting unit thereby enhancing luminance uniformity.Type: GrantFiled: April 4, 2007Date of Patent: November 15, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Seong-Sik Shin, Jong-Seo Lee, Jung-Suk Han, Tae-Jong Jun, Joo-Young Lee
-
Publication number: 20110216049Abstract: Provided is a visible light communication apparatus. The visible light communication apparatus includes: a display unit that displays an image according to an image signal; a light source unit that operates as a backlight for the display unit, generates an optical signal by driving a light source based on a data signal, and outputs the generated optical signal to the display unit; a sensor unit that detects a region corresponding to a shape of a terminal which touches or approaches the display unit; and an image signal conversion unit that converts the image signal such that an image displayed in the region detected by the sensor unit is converted to a bright image having a gray level higher than a predetermined reference gray level.Type: ApplicationFiled: February 28, 2011Publication date: September 8, 2011Inventors: Tae-Jong JUN, Jong-Seo Lee, Jung-Suk Han, Joo-Young Lee, Soo-Lin Kim
-
Publication number: 20110044695Abstract: A visible light communication system includes a light source emitting a first light having information, an optical filter receiving the first light and an externally provided second light and filtering the first and second light according to wavelength bands of the first and second light to output a filtered light, a photoelectric device receiving the filtered light to generate an output signal, and a data output part receiving the output signal to output data. Accordingly, the external light not having information may be substantially prevented from being provided to the photoelectric device, thereby preventing noise from occurring on the output signal. In addition, no additional operation is required to filter the output signal from the photoelectric device.Type: ApplicationFiled: March 1, 2010Publication date: February 24, 2011Inventors: Tae-Jong Jun, Jongseo Lee, Soo-Lin Kim, Jooyoung Lee, Jung-Suk Han