Patents by Inventor Kwang-Sub Shin
Kwang-Sub Shin 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: 8399885Abstract: A thin film transistor substrate including a plurality of thin film transistors, and a flat panel display apparatus. Each of the plurality of thin film transistors includes an active layer comprising a first channel region having a first plurality of protrusion lines arranged therein and a second channel region and having a second plurality of protrusion lines arranged therein, a source electrode and a drain electrode electrically connected to the active layer and a gate electrode insulated from the active layer, wherein the first and second plurality of protrusion lines extend in a first direction, wherein a edges of the first channel region that extend in the first direction and are offset sideways by a distance in a second direction that is orthogonal to the first direction from corresponding edges of the second channel region that extend in the first direction.Type: GrantFiled: May 2, 2011Date of Patent: March 19, 2013Assignee: Samsung Display Co., Ltd.Inventor: Kwang-Sub Shin
-
Patent number: 8378936Abstract: In a display apparatus and a driving method thereof, image data corresponding to plural different positions of a display panel are added to each other, and a sum of the image data of a present frame is compared with a sum of the image data of a previous frame to determine whether an image displayed on the display panel is a still image or not. While a still image is displayed, brightness of the display panel is gradually lowered. Accordingly, the display panel may prevent occurrence of afterimages and deterioration of organic electroluminescent light emitting devices, as well as reduce power consumption.Type: GrantFiled: March 17, 2009Date of Patent: February 19, 2013Assignee: Samsung Display Co., Ltd.Inventors: Byung-Sik Koh, Si-Duk Sung, Kwang-Sub Shin, Jong-Hwa Park
-
Patent number: 8310419Abstract: The present invention relates to a display device and a driving method thereof. The display device includes a light emitting device, a capacitor connected between a first electrical contact and a second electrical contact, a driving transistor, a switching transistor being controlled by a scanning signal to be connected between a data voltage and the first electrical contact, a first compensation transistor being controlled by a first compensation signal to be connected between the first electrical contact and a first voltage, and a second compensation transistor being controlled by a second compensation signal to be connected between the second electrical contact and a second voltage. The driving transistor includes an input terminal that is connected to a driving voltage, an output terminal that is connected to the second electrical contact, and a control terminal that is connected to the first electrical contact.Type: GrantFiled: December 26, 2008Date of Patent: November 13, 2012Assignee: Samsung Display Co., Ltd.Inventors: Doo-Hyung Woo, Kwang-Sub Shin, Young-Il Kim, Ji-Hye Eom
-
Publication number: 20120049192Abstract: A thin film transistor substrate including a plurality of thin film transistors, and a flat panel display apparatus. Each of the plurality of thin film transistors includes an active layer comprising a first channel region having a first plurality of protrusion lines arranged therein and a second channel region and having a second plurality of protrusion lines arranged therein, a source electrode and a drain electrode electrically connected to the active layer and a gate electrode insulated from the active layer, wherein the first and second plurality of protrusion lines extend in a first direction, wherein a edges of the first channel region that extend in the first direction and are offset sideways by a distance in a second direction that is orthogonal to the first direction from corresponding edges of the second channel region that extend in the first direction.Type: ApplicationFiled: May 2, 2011Publication date: March 1, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventor: Kwang-Sub Shin
-
Patent number: 8084772Abstract: Disclosed are an organic light emitting display and a method of manufacturing the same. The organic light emitting includes a first substrate, a first electrode, an organic light emitting layer, and a second electrode. The first substrate includes a pixel region showing an image and a peripheral region surrounding the pixel region. The first electrode is formed in the pixel region of the first substrate. The organic light emitting layer is formed on the first electrode. The second electrode is formed on the organic light emitting layer and extends to the peripheral region. An auxiliary electrode is formed on the second electrode to contact the second electrode on an entire surface of the first substrate, thereby applying a voltage having the same voltage level as that of the second electrode.Type: GrantFiled: April 15, 2009Date of Patent: December 27, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Ji-Hye Eom, Kwang-Sub Shin, Young-Il Kim, Sun-Min Kim, Doo-Hyung Woo
-
Publication number: 20110273441Abstract: An organic light emitting display device for displaying 2D and 3D image, the organic light emitting display device including a scan driver for supplying a scan signal to a plurality of scan lines; a data driver for supplying a data signal to a plurality of data lines; a plurality of pixels that located at crossing regions of the scan lines and the data lines for controlling a current flowing from a first power driver to a second power driver via an organic light emitting diode; a data processor for classifying data supplied from outside as 2D or 3D data, and for producing 2D or 3D; and a timing controller for transmitting 2D or 3D data supplied from the data processor to the data driver, wherein the timing controller is configured to set the pixels in a non-emission state during a scan period.Type: ApplicationFiled: December 13, 2010Publication date: November 10, 2011Inventor: Kwang-Sub Shin
-
Patent number: 7868280Abstract: Provided are an illumination sensing apparatus, a driving method thereof and a display device having the illumination sensing apparatus. The illumination sensing apparatus includes an illumination sensor unit configured to generate a sensing signal according to peripheral illumination, an illumination determination unit configured to generate an illumination signal according to the sensing signal, and an illumination judgment unit configured to output a brightness select signal using the illumination signal, wherein the illumination sensor unit controls sensitivity of sensing the peripheral illumination to be varied according to the brightness select signal. Therefore, the sensitivity of an illumination sensor is automatically controlled according to the peripheral illumination, thus improving peripheral illumination sensibility.Type: GrantFiled: July 24, 2008Date of Patent: January 11, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-Sang Park, Min-Koo Han, Doo-Hyung Woo, Jae-Beom Choi, Kwang-Sub Shin
-
Publication number: 20100072482Abstract: Disclosed are an organic light emitting display and a method of manufacturing the same. The organic light emitting includes a first substrate, a first electrode, an organic light emitting layer, and a second electrode. The first substrate includes a pixel region showing an image and a peripheral region surrounding the pixel region. The first electrode is formed in the pixel region of the first substrate. The organic light emitting layer is formed on the first electrode. The second electrode is formed on the organic light emitting layer and extends to the peripheral region. An auxiliary electrode is formed on the second electrode to contact the second electrode on an entire surface of the first substrate, thereby applying a voltage having the same voltage level as that of the second electrode.Type: ApplicationFiled: April 15, 2009Publication date: March 25, 2010Applicant: Samsung Electronics Co., Ltd.Inventors: Ji-Hye Eom, Kwang-Sub Shin, Young-Il Kim, Sun-Min Kim, Doo-Hyung Woo
-
Publication number: 20100060554Abstract: In a display apparatus and a driving method thereof, image data corresponding to plural different positions of a display panel are added to each other, and a sum of the image data of a present frame is compared with a sum of the image data of a previous frame to determine whether an image displayed on the display panel is a still image or not. While a still image is displayed, brightness of the display panel is gradually lowered. Accordingly, the display panel may prevent occurrence of afterimages and deterioration of organic electroluminescent light emitting devices, as well as reduce power consumption.Type: ApplicationFiled: March 17, 2009Publication date: March 11, 2010Inventors: Byung-Sik KOH, Si-Duk SUNG, Kwang-Sub SHIN, Jong-Hwa PARK
-
Publication number: 20100053039Abstract: A display device includes a plurality of pixels respectively including a plurality of light-emitting elements, a comparing unit for comparing input image signals during a plurality of continuous frames for each pixel and determining whether the input image signals are repeated, a signal converter for converting the input image signal into a compensating image signal for the pixel where the input image signals are repeated during the continuous frames, and a data driver generating a data signal corresponding to the compensation image signal to supply the data signal to the pixel.Type: ApplicationFiled: August 25, 2009Publication date: March 4, 2010Inventors: Jong-Hwa Park, Kwang-Sub Shin, Byung-Sik Koh, Si-Duk Sung
-
Publication number: 20090315815Abstract: The present invention relates to a display device and a driving method thereof. The display device includes a light emitting device, a capacitor connected between a first electrical contact and a second electrical contact, a driving transistor, a switching transistor being controlled by a scanning signal to be connected between a data voltage and the first electrical contact, a first compensation transistor being controlled by a first compensation signal to be connected between the first electrical contact and a first voltage, and a second compensation transistor being controlled by a second compensation signal to be connected between the second electrical contact and a second voltage. The driving transistor includes an input terminal that is connected to a driving voltage, an output terminal that is connected to the second electrical contact, and a control terminal that is connected to the first electrical contact.Type: ApplicationFiled: December 26, 2008Publication date: December 24, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Doo-Hyung WOO, Kwang-Sub Shin, Young-Il Kim, Ji-Hye Eom
-
Publication number: 20090166510Abstract: Provided are an illumination sensing apparatus, a driving method thereof and a display device having the illumination sensing apparatus. The illumination sensing apparatus includes an illumination sensor unit configured to generate a sensing signal according to peripheral illumination, an illumination determination unit configured to generate an illumination signal according to the sensing signal, and an illumination judgment unit configured to output a brightness select signal using the illumination signal, wherein the illumination sensor unit controls sensitivity of sensing the peripheral illumination to be varied according to the brightness select signal. Therefore, the sensitivity of an illumination sensor is automatically controlled according to the peripheral illumination, thus improving peripheral illumination sensibility.Type: ApplicationFiled: July 24, 2008Publication date: July 2, 2009Inventors: Hyun-Sang Park, Min-Koo Han, Doo-Hyung Woo, Jae-Beom Choi, Kwang-Sub Shin
-
Publication number: 20090066876Abstract: A photosensor circuit includes a read-out circuit and a determiner. The read-out circuit includes: a first photosensor which outputs a first reference current corresponding to an intensity of a first reference light; a second photosensor which outputs a second reference current corresponding to an intensity of a second reference light; a third photosensor which outputs an external light current corresponding to an intensity of an external light; a first current memory which senses the first reference current; a second current memory which senses a difference between the first and second reference currents; and a storage capacitor which charges during a first period of time and discharges during a second period of time. The determiner calculates the intensity of the external light based on the intensities of the first and second reference lights and durations of the first and second periods of time.Type: ApplicationFiled: July 2, 2008Publication date: March 12, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Doo-Hyung WOO, Jae-Beom CHOI, Kwang-Sub SHIN, Chul-Ho KIM, Young-Il KIM, Yang-Hwa CHOI
-
Publication number: 20080198119Abstract: A liquid crystal display includes a display panel having a data-storing unit including transistors integrated into the display panel. The data-storing transistors of the data-storing unit may be formed in the same film (layer) as the TFT pixel transistors on the display panel. Each of the plurality of transistors of the data-storing unit includes an input electrode connected to one of a first voltage or a second voltage depending upon a bit of stored data, and an output electrode commonly connected to a data output terminal of the data-storing unit. The data-storing unit further includes and a Serial-In, Parallel-Out shift register supplied with a reset and first and second clock signals and connected to the input electrodes of the transistors, respectively.Type: ApplicationFiled: September 7, 2007Publication date: August 21, 2008Inventors: Pil-Mo Choi, Kook-Chul Moon, Ho-Suk Maeng, Kwang-Sub Shin, Chul-Ho Kim, Sang-Hoon Lee, Kyung-Hoon Kim, Keun-Woo Park