Patents by Inventor Kang-Hyun Kim
Kang-Hyun Kim 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: 20140145158Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a bank including a lower layer and an upper layer on the first electrode, the lower layer disposed on edges of the first electrode and having a first width and a first thickness, the upper layer disposed on the lower layer and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the lower layer; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: ApplicationFiled: August 28, 2013Publication date: May 29, 2014Inventors: Dae-Jung Choi, Jae-Ki Lee, Ki-Soub Yang, Hwang-Un Seo, Hong-Myeong Jeon, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim, Geum-Young Lee, Kang-Hyun Kim
-
Publication number: 20140147950Abstract: A method of fabricating an organic light emitting diode display device includes forming a first electrode over a substrate including a display region, which includes a plurality of pixel regions, the first electrode formed in each of the plurality of pixel regions; forming a first bank and a second bank, the first bank formed on edges of the first electrode and having a first width and a first thickness, and the second bank formed on the first bank and having a second width smaller than the first width; forming an organic emitting layer on the first electrode and a portion of the first bank; and forming a second electrode on the organic emitting layer and covering an entire of the display region.Type: ApplicationFiled: August 26, 2013Publication date: May 29, 2014Inventors: Dae-Jung Choi, Ki-Soub Yang, Seung-Ryul Choi, Han-Hee Kim, Kang-Hyun Kim
-
Publication number: 20140145157Abstract: An organic light emitting diode display device includes a substrate including a display region, wherein a plurality of pixel regions are defined in the display region; a first electrode over the substrate and in each of the plurality of pixel regions; a first bank on edges of the first electrode and having a first width and a first thickness; a second bank on the first bank and having a second width smaller than the first width; an organic emitting layer on the first electrode and a portion of the first bank; and a second electrode on the organic emitting layer and covering an entire surface of the display region.Type: ApplicationFiled: August 27, 2013Publication date: May 29, 2014Inventors: Kang-Hyun Kim, Ki-Soub Yang, Dae-Jung Choi, Seung-Ryul Choi, A-Ryoung Lee, Han-Hee Kim
-
Publication number: 20140139563Abstract: A liquid crystal display includes a timing controller and a liquid crystal panel. The timing controller sequentially receives first through third primitive image signals and sequentially outputs first through third corrected image signals. The liquid crystal panel displays an image based on the first through third corrected image signals. The timing controller generates a first converted image signal having a first gray level based on the first primitive image signal and stores the first converted image signal. The second primitive image signal has a second gray level and the timing controller generates a second converted image signal having a third gray level higher than the second gray level when the second gray level is lower than the first gray level. The timing controller generates the third corrected image signal using the second converted image signal and the third primitive image signal.Type: ApplicationFiled: January 27, 2014Publication date: May 22, 2014Applicant: Samsung Display Co., Ltd.Inventors: Bong-Im PARK, Kang-Hyun KIM, Jong-Hyon PARK, Woo-Chul KIM, Yun-Jae KIM, Jae-Won JEONG, Bong-Ju JUN, Yong-Jun CHOI, Woo-Young LEE
-
Patent number: 8712152Abstract: A method of processing data includes correcting received color data and generating corrected color data, generating color glitch correction data corresponding to the corrected color data using a glitch correction value preset based on the received color data, and converting the color glitch correction data into a color data voltage and providing the color data voltage to a display panel.Type: GrantFiled: April 3, 2012Date of Patent: April 29, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jae-Won Jeong, Duc-Han Cho, Woo-Jin Jung, Woo-Young Lee, Kang-Hyun Kim, Su-Bin Park
-
Publication number: 20140104324Abstract: A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image.Type: ApplicationFiled: December 18, 2013Publication date: April 17, 2014Applicant: Samsung Display Co., Ltd.Inventors: BONGIM PARK, Nam-Gon CHOI, ByungKil JEON, Jae-Won JEONG, Woo-Young LEE, Kang-Hyun KIM
-
Patent number: 8674922Abstract: A liquid crystal display includes a timing controller and a liquid crystal panel. The timing controller sequentially receives first through third primitive image signals and sequentially outputs first through third corrected image signals. The liquid crystal panel displays an image based on the first through third corrected image signals. The timing controller generates a first converted image signal having a first gray level based on the first primitive image signal and stores the first converted image signal. The second primitive image signal has a second gray level and the timing controller generates a second converted image signal having a third gray level higher than the second gray level when the second gray level is lower than the first gray level. The timing controller generates the third corrected image signal using the second converted image signal and the third primitive image signal.Type: GrantFiled: July 15, 2009Date of Patent: March 18, 2014Assignee: Samsung Display Co., Ltd.Inventors: Bong-Im Park, Kang-Hyun Kim, Jong-Hyon Park, Woo-Chul Kim, Yun-Jae Kim, Jae-Won Jeong, Bong-Ju Jun, Yong-Jun Choi, Woo-Young Lee
-
Patent number: 8665297Abstract: A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image.Type: GrantFiled: April 8, 2010Date of Patent: March 4, 2014Assignee: Samsung Display Co., Ltd.Inventors: Bongim Park, Nam-Gon Choi, ByungKil Jeon, Jae-Won Jeong, Woo-Young Lee, Kang-Hyun Kim
-
Publication number: 20140035941Abstract: Provided are an image signal compensation apparatus and a liquid crystal display (LCD) including the same. The image signal compensation apparatus includes a lookup table (LUT) and an image signal compensation unit. The LUT includes reference data that corresponds to each combination of first and second reference gray levels and is arranged in a matrix. The image signal compensation unit receives first and second image signals, receives reference data corresponding to the first and second image signals from the LUT, and compensates the second image signal using the reference data. The reference data includes diagonal reference data located on a diagonal line in the matrix, and at least one diagonal reference data from among the diagonal reference data has a different value from a corresponding combination of the first and second reference gray levels.Type: ApplicationFiled: October 8, 2013Publication date: February 6, 2014Applicant: Samsung Display Co., Ltd.Inventors: Bong-Im PARK, Bong-Ju Jun, Yun-Jae Kim, Jae-Won Jeong, Young-Jun Choi, Dong-Beom Cho, Woo-Jin Jung, Kang-Hyun Kim
-
Patent number: 8547392Abstract: A signal processing apparatus and a signal processing method are disclosed. The signal processing apparatus includes a correction block and a division correction block. The correction block receives grayscale data comprising achromatic color grayscale data or chromatic color grayscale data to create corrected grayscale data. The division correction block receives the corrected grayscale data to create first division grayscale data and second division grayscale data having a grayscale value less than or equal to a grayscale value of the first division grayscale data. The correction block includes a first correction block and a second correction block. The first correction block receives the grayscale data and includes a one-dimensional lookup table to create corrected create achromatic color grayscale data. The second correction block includes a three-dimensional lookup table and an interpolator.Type: GrantFiled: January 4, 2011Date of Patent: October 1, 2013Assignee: Samsung Display Co., Ltd.Inventors: Bongim Park, Kang-Hyun Kim, Jae-Won Jeong, Woo-Young Lee
-
Publication number: 20120320019Abstract: Provided is a liquid crystal display for improving side visibility by calculating a representative value for image data and correcting at least one of a storage voltage Vcst, a reference voltage Vref, and a lookup table LUT according to the calculated representative value. Further, a histogram analysis block is formed inside or outside a signal controller and corrects at least one of the storage voltage Vcst, the reference voltage Vref, and the lookup table LUT based on the histogram analysis block.Type: ApplicationFiled: December 9, 2011Publication date: December 20, 2012Inventors: JAE-WON JEONG, Su-Bin Park, Woo-Jin Jung, Woo-Young Lee, Kang-Hyun Kim, Due-Han Cho
-
Publication number: 20120293466Abstract: A driving apparatus of a liquid crystal display includes a signal modification unit which modifies a signal based on a data signal input to the liquid crystal display, where the signal modification unit determines whether the data signal corresponds to an image to be displayed with a quality deterioration and outputs at least one of a first signal and a second signal, where the first signal is output when the signal modification unit determines the data signal corresponds to the image to be displayed with the quality deterioration, and where the second signal is output when the signal modification unit determines the data signal does not corresponds to the image to be displayed with the quality deterioration.Type: ApplicationFiled: September 23, 2011Publication date: November 22, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Won JEONG, Hoi Sik MOON, Woo-Jin JUNG, Woo-Young LEE, Kang-Hyun KIM, Duc-Han CHO, Su-Bin PARK
-
Publication number: 20120257827Abstract: A method of processing data includes correcting received color data and generating corrected color data, generating color glitch correction data corresponding to the corrected color data using a glitch correction value preset based on the received color data, and converting the color glitch correction data into a color data voltage and providing the color data voltage to a display panel.Type: ApplicationFiled: April 3, 2012Publication date: October 11, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae-Won JEONG, Duc-Han CHO, Woo-Jin JUNG, Woo-Young LEE, Kang-Hyun KIM, Su-Bin PARK
-
Patent number: 8264425Abstract: A method for compensating data for a data compensating apparatus in a display apparatus includes converting image data of an n-th frame (where “n” is a natural number) into pre-compensation data of the n-th frame having a gray scale less than or equal to a gray scale of the image data of the n-th frame based on pre-compensation data of an (n?1)-th frame, storing the pre-compensation data of the n-th frame, and generating compensation data of the n-th frame having a gray scale greater than or equal to the gray scale of the image data of the n-th frame by using the image data of the n-th frame and the pre-compensation data of the (n?1)-th frame.Type: GrantFiled: September 8, 2009Date of Patent: September 11, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Bong-Im Park, Bong-Ju Jun, Jong-Hyon Park, Yun-Jae Kim, Jae-Won Jeong, Woo-Young Lee, Kang-Hyun Kim
-
Publication number: 20120194567Abstract: A liquid crystal display includes an image signal modifier for generating a modified signal based on a first image signal of a first frame, a second image signal of a second frame, and a lookup table. A data driver converts the modified signal into a data voltage which is supplied to a pixel of the display. The lookup table stores a plurality of reference modified signals for a plurality of reference first image signals and a plurality of reference second image signals. The lookup table includes a first lookup table having a gray gap of the reference first image signals and a gray gap of the reference second image signals of x, and a second lookup table having a gray gap of the reference first image signals and a gray gap of the reference second image signals of y, where y is greater than x.Type: ApplicationFiled: July 12, 2011Publication date: August 2, 2012Inventors: Woo-Young Lee, Jae-Won Jeong, Woo-Jin Jung, Kang-Hyun Kim, Duc-Han Cho, Su-Bin Park
-
Publication number: 20110169856Abstract: A signal processing apparatus and a signal processing method are disclosed. The signal processing apparatus includes a correction block and a division correction block. The correction block receives grayscale data comprising achromatic color grayscale data or chromatic color grayscale data to create corrected grayscale data. The division correction block receives the corrected grayscale data to create first division grayscale data and second division grayscale data having a grayscale value less than or equal to a grayscale value of the first division grayscale data. The correction block includes a first correction block and a second correction block. The first correction block receives the grayscale data and includes a one-dimensional lookup table to create corrected create achromatic color grayscale data. The second correction block includes a three-dimensional lookup table and an interpolator.Type: ApplicationFiled: January 4, 2011Publication date: July 14, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bongim PARK, Kang-Hyun KIM, Jae-Won JEONG, Woo-Young LEE
-
Publication number: 20110057959Abstract: A display apparatus includes a temperature sensor, a timing controller, a data driver and a display panel. The temperature sensor senses a temperature, the timing controller includes a dynamic capacitance capture (“DCC”) block, which converts a green data, a red data and a blue data into a green compensation data, a red compensation data and a blue compensation data, respectively, based on the temperature sensed by the temperature sensor, and the data driver converts the red compensation data, the green compensation data and the blue compensation data into a data voltage and outputs the data voltage. The display panel receives the data voltage and displays an image.Type: ApplicationFiled: April 8, 2010Publication date: March 10, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bongim PARK, Nam-Gon CHOI, Byung Kil JEON, Jae-Won JEONG, Woo-Young LEE, Kang-Hyun KIM
-
Publication number: 20100156949Abstract: A liquid crystal display includes a timing controller and a liquid crystal panel. The timing controller sequentially receives first through third primitive image signals and sequentially outputs first through third corrected image signals. The liquid crystal panel displays an image based on the first through third corrected image signals. The timing controller generates a first converted image signal having a first gray level based on the first primitive image signal and stores the first converted image signal. The second primitive image signal has a second gray level and the timing controller generates a second converted image signal having a third gray level higher than the second gray level when the second gray level is lower than the first gray level. The timing controller generates the third corrected image signal using the second converted image signal and the third primitive image signal.Type: ApplicationFiled: July 15, 2009Publication date: June 24, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bong-Im PARK, Kang-Hyun KIM, Jong-Hyon PARK, Woo-Chul KIM, Yun-Jae KIM, Jae-Won JEONG, Bong-Ju JUN, Yong-Jun CHOI, Woo-Young LEE
-
Publication number: 20100156951Abstract: A method for compensating data for a data compensating apparatus in a display apparatus includes converting image data of an n-th frame (where “n” is a natural number) into pre-compensation data of the n-th frame having a gray scale less than or equal to a gray scale of the image data of the n-th frame based on pre-compensation data of an (n?1)-th frame, storing the pre-compensation data of the n-th frame, and generating compensation data of the n-th frame having a gray scale greater than or equal to the gray scale of the image data of the n-th frame by using the image data of the n-th frame and the pre-compensation data of the (n?1)-th frame.Type: ApplicationFiled: September 8, 2009Publication date: June 24, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Bong-Im PARK, Bong-Ju JUN, Jong-Hyon PARK, Yun-Jae KIM, Jae-Won JEONG, Woo-Young LEE, Kang-Hyun KIM
-
Publication number: 20090295840Abstract: Provided are an image signal compensation apparatus and a liquid crystal display (LCD) including the same. The image signal compensation apparatus includes a lookup table (LUT) and an image signal compensation unit. The LUT includes reference data that corresponds to each combination of first and second reference gray levels and is arranged in a matrix. The image signal compensation unit receives first and second image signals, receives reference data corresponding to the first and second image signals from the LUT, and compensates the second image signal using the reference data. The reference data includes diagonal reference data located on a diagonal line in the matrix, and at least one diagonal reference data from among the diagonal reference data has a different value from a corresponding combination of the first and second reference gray levels.Type: ApplicationFiled: May 18, 2009Publication date: December 3, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Bong-Im PARK, Bong-Ju Jun, Yun-Jae Kim, Jae-Won Jeong, Yong-Jun Choi, Dong-Beom Cho, Woo-Jin Jung, Kang-Hyun Kim