Patents by Inventor Dan Bi An
Dan Bi An 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).
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Publication number: 20170222176Abstract: An organic light emitting device includes a substrate. An organic light emitting diode is disposed on the substrate. A thin film encapsulation layer is disposed over the organic light emitting diode. The thin film encapsulation layer includes at least one organic layer. An organic passivation layer is disposed directly on the thin film encapsulation layer. The organic passivation layer has a smaller Young's modulus than the organic layer of the thin film encapsulation layer.Type: ApplicationFiled: January 19, 2017Publication date: August 3, 2017Inventors: KHACHATRYAN HAYK, KI HYUN KIM, SUN HO KIM, JEONG HO KIM, TAE WOONG KIM, DAN BI CHOI
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Patent number: 9720291Abstract: A liquid crystal display includes: a first substrate; a gate line disposed on the first substrate; an insulating layer disposed on the gate line; and first and second subpixel electrodes respectively including pixel branch electrodes, wherein the first and second subpixel electrodes respectively comprise first and second regions, the first and second regions of the first subpixel electrode have a polygonal shape where two sides meet in a diagonal line, and one of sides of the polygon, excluding the diagonal line, is perpendicular to the gate line, the first and second regions of the second subpixel electrode have grooves disposed at one of sides thereof corresponding to the shape of the first subpixel electrode, the first and second regions of the first subpixel electrode are connected with each other, and the first and second regions of the second subpixel electrode are connected with each other.Type: GrantFiled: October 8, 2015Date of Patent: August 1, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Ki Chul Shin, Dan Bi Yang
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Publication number: 20170206825Abstract: An optical compensation method for a display device including a pixel is provided. The method includes: providing test data having a first grayscale value to the display device; measuring a luminance of the pixel which emits light based on the test data; and calculating a compensation grayscale value based on a second target luminance and the measured luminance of the pixel. The second target luminance is lower than a first target luminance which is set based on the first grayscale value.Type: ApplicationFiled: December 23, 2016Publication date: July 20, 2017Inventors: Ui-Yeong Cha, Dan-Bi Kim, In-Hwan Kim, Byung-Geun Jun
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Publication number: 20170176785Abstract: A liquid crystal display (“LCD”) device includes: a first display panel including a first substrate, a first pixel electrode disposed on the first substrate, and a second pixel electrode disposed on the first substrate and insulated from the first pixel electrode; a second display panel including a second substrate opposite to the first substrate, and a common electrode disposed on the second substrate; and a liquid crystal layer disposed between the first and second display panels and including a plurality of liquid crystal molecules. In a black state, no voltage is applied to the common electrode and an electric field is generated between the first and second pixel electrodes in a way such that the liquid crystal molecules are aligned in a vertical direction with respect to the first substrate.Type: ApplicationFiled: June 29, 2016Publication date: June 22, 2017Inventors: Min Ju HAN, Dan Bi YANG, Ji Phyo HONG
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Patent number: 9671656Abstract: There is provided a liquid crystal display including a pixel electrode including a first subpixel electrode and a second subpixel electrode. The first subpixel electrode includes a first cross stem portion positioned in a first subpixel region and first minute branches extending from the first cross stem portion, and includes first and second body portions that are positioned in a third subpixel region and separated from each other, and a plurality of first and second slit portions that extend from the first and second body portions, respectively. The second subpixel electrode includes a second cross stem portion positioned in a second subpixel region and second minute branches that extend from the second cross stem portion, and includes a third cross stem portion positioned in a third subpixel region and third minute branches that extend from the third cross stem portion.Type: GrantFiled: June 10, 2015Date of Patent: June 6, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae Hoon Jung, Dan Bi Yang, Min-Joo Han, Ji Phyo Hong, Ki Chul Shin
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Publication number: 20170125453Abstract: Disclosed herein is a flexible display device, including: a substrate that comprises a first surface and a second surface which is an opposite surface to the first surface; a light-emitting device disposed on the first surface; a reduction layer disposed on the second surface; and a barrier layer disposed between the second surface and the reduction layer.Type: ApplicationFiled: September 20, 2016Publication date: May 4, 2017Inventors: Khachatryan HAYK, Ki Hyun KIM, Sun Ho Kim, Jeong Ho KIM, Tae Woong KIM, Yeon Gon MO, Dan Bi CHOI
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Publication number: 20170116961Abstract: A luminance correction system includes: a display device that displays an image of a first grayscale value; an image capturing device that generates a first image and a second image by capturing the displayed image; and an image separator that generates a first high-frequency image by extracting a high-frequency image from the first image, and generates a second low-frequency image by extracting a low-frequency image from the second image, wherein the display device includes: an image corrector that generates a corrected image data by analyzing the first high-frequency image and the second low-frequency image to provide an analyzation result and by correcting an image data with respect to the displayed image in accordance with the analyzation result to generate the corrected image data; and a display unit including a plurality of pixels that emit light with luminance corresponding to the corrected image data.Type: ApplicationFiled: June 3, 2016Publication date: April 27, 2017Inventors: Byung Geun JUN, Dan Bi KIM, Min Cheol KIM, In Hwan KIM, Ui Yeong CHA
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Publication number: 20170115536Abstract: A display device according to an exemplary embodiment includes a substrate; a thin film transistor disposed on the substrate; a pixel electrode connected to the thin film transistor; a first common electrode overlapping the pixel electrode via an insulating layer; a second common electrode spaced apart from the first common electrode with a plurality of microcavities therebetween; a roof layer disposed on the second common electrode; a liquid crystal layer including liquid crystal molecules disposed in the microcavities; and an encapsulation layer disposed on the roof layer and sealing the microcavities.Type: ApplicationFiled: May 13, 2016Publication date: April 27, 2017Inventors: Dan Bi YANG, Dong Han SONG, Min-Joo HAN, Ji Phyo HONG
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Patent number: 9632376Abstract: A liquid crystal display device includes: a first substrate for which a single pixel includes: first, second and third thin film transistors on the first substrate; a pixel electrode including a first subpixel electrode and a second subpixel electrode which are connected to the first thin film transistor and the second thin film transistor, respectively; and a divided reference voltage line connected to the third thin film transistor; a second substrate facing the first substrate; a common electrode on the second substrate; and a liquid crystal layer between the pixel electrode and the common electrode and including liquid crystal molecules. The third thin film transistor includes an electrically floating gate electrode, a source electrode defined by an extended portion of a terminal of the second thin film transistor, and a drain electrode defined by an extended portion of the divided reference voltage line.Type: GrantFiled: October 8, 2015Date of Patent: April 25, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Min-Joo Han, Dan Bi Yang, Ji Phyo Hong, Ki Chul Shin
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Patent number: 9618808Abstract: A liquid crystal display includes: a first subpixel electrode disposed on a first substrate; an insulating layer disposed on the first subpixel electrode; a second subpixel electrode disposed on the insulating layer; and a common electrode disposed on a second substrate, the second substrate facing the first substrate. The first subpixel electrode is overlapped with a portion of the second subpixel electrode, and the first subpixel electrode and the second subpixel electrode are configured to receive substantially the same electric potential.Type: GrantFiled: July 8, 2014Date of Patent: April 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hoon Kim, Ki Chul Shin, Dan Bi Yang, Ji Phyo Hong
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Patent number: 9613579Abstract: A liquid crystal display including a first substrate, a first sub-pixel electrode on the first substrate and configured to receive a first voltage, a second sub-pixel electrode on the first substrate and configured to receive a second voltage, an insulating layer between the first sub-pixel electrode and the second sub-pixel electrode, a second substrate facing the first substrate, and a common electrode on the second substrate, wherein the first sub-pixel electrode includes a first sub-region below the insulating layer and a second sub-region above the insulating layer, wherein the second sub-region of the first sub-pixel electrode includes a plurality of first branch electrodes, wherein the second sub-pixel electrode is above the insulating layer, and wherein a difference between the first voltage and a common voltage is greater than a difference between the second voltage and the common voltage.Type: GrantFiled: May 26, 2015Date of Patent: April 4, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jae Hoon Jung, Hyo Sik Kim, Ki Chul Shin, Dan Bi Yang, Ji Phyo Hong
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Patent number: 9557613Abstract: A liquid crystal display includes a first substrate, a pixel electrode formed on the first substrate, a second substrate facing the first substrate, and a common electrode formed on the second substrate. The pixel electrode includes a first subpixel electrode disposed in a first subpixel region, and a second subpixel electrode disposed in a second subpixel region. A first voltage applied to the first subpixel electrode and a second voltage applied to the second subpixel electrode are different from each other, and a ratio of the first voltage to the second voltage is about 0.76 to about 0.80.Type: GrantFiled: March 14, 2013Date of Patent: January 31, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Hoon Jung, Hoon Kim, Cheol Shin, Ka Eun Kim, Su Jeong Kim, Ki Chul Shin, Ho Kil Oh, Min Ju Han, Dan Bi Yang, Ji Phyo Hong
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Patent number: 9529234Abstract: Provided is a liquid crystal display including: a first substrate; a first subpixel electrode which is positioned on the first substrate, to which a first voltage is configured to be applied, and which includes first and second subregions; a second subpixel electrode which is positioned on the first substrate, to which a second voltage is configured to be applied, and which includes a third, fourth, and fifth subregions; an insulating layer which is positioned on the first subregion and the third subregion and positioned below the second subregion and the fourth and fifth subregions; a second substrate facing the first substrate; a common electrode which is positioned on the second substrate and to which a common voltage is configured to be applied; and a liquid crystal layer positioned between the first substrate and the second substrate, in which the first subregion and the fourth subregion overlap with each other.Type: GrantFiled: March 19, 2015Date of Patent: December 27, 2016Assignee: Samsung Display Co., Ltd.Inventors: Hyo Sik Kim, Dan Bi Yang, Min Joo Han
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Publication number: 20160357069Abstract: A liquid crystal display includes a first substrate, pixel electrodes disposed on the first substrate and including a first sub-pixel electrode and a second sub-pixel electrode separated from each other and positioned in one pixel area, gate lines connected to the pixel electrodes, data lines connected to the pixel electrodes, reference voltage lines connected to the second sub-pixel electrode of the pixel electrodes, a second substrate facing the first substrate, a common electrode disposed on the second substrate, and a liquid crystal layer positioned between the first substrate and the second substrate and including liquid crystal molecules, a first initial pretilt angle of the liquid crystal molecules corresponding to the first sub-pixel electrode for the second substrate surface is larger than a second initial pretilt angle of the liquid crystal molecules corresponding to the second sub-pixel electrode for the second substrate surface.Type: ApplicationFiled: April 27, 2016Publication date: December 8, 2016Inventors: Heung Shik PARK, Jae Hoon JUNG, Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Ki Chul SHIN
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Publication number: 20160299397Abstract: A liquid crystal display includes a first substrate, a gate line and a data line disposed on the first substrate, a first thin film transistor and a second thin film transistor connected to the gate line and the data line, a first subpixel electrode connected to the first thin film transistor, a resistor connected to the second thin film transistor and a resistance of the resistor is changed by a pulsed gate-on signal applied to the gate line, and a second subpixel electrode connected to the resistor.Type: ApplicationFiled: September 18, 2015Publication date: October 13, 2016Inventors: Jae Hoon JUNG, Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Heung Shik PARK, Ki Chul SHIN
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Patent number: 9465265Abstract: A liquid crystal display (LCD) pixel includes a first substrate, a first electrode and a second electrode disposed on the first substrate, an insulation layer configured to overlap at least a portion of the first electrode and the second electrode, a first slit electrode and a second slit electrodes disposed on the insulation layer, a second substrate disposed across from the first substrate, an upper-plate common electrode disposed on the second substrate, and a liquid crystal layer interposed between the slit electrodes and the upper-plate common electrode. The LCD pixel driven by a plurality of regions in which different vertical electric fields are generated based on arrangements of at least one of the first electrode, the second electrode, the first slit electrode, the second slit electrode, and the upper-plate common electrode.Type: GrantFiled: October 31, 2014Date of Patent: October 11, 2016Assignee: Samsung Display Co., Ltd.Inventors: Su-Jeong Kim, Hoon Kim, Ki-Chul Shin, Dan-Bi Yang
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Publication number: 20160291383Abstract: A liquid crystal display device includes: a first substrate for which a single pixel includes: first, second and third thin film transistors on the first substrate; a pixel electrode including a first subpixel electrode and a second subpixel electrode which are connected to the first thin film transistor and the second thin film transistor, respectively; and a divided reference voltage line connected to the third thin film transistor; a second substrate facing the first substrate; a common electrode on the second substrate; and a liquid crystal layer between the pixel electrode and the common electrode and including liquid crystal molecules. The third thin film transistor includes an electrically floating gate electrode, a source electrode defined by an extended portion of a terminal of the second thin film transistor, and a drain electrode defined by an extended portion of the divided reference voltage line.Type: ApplicationFiled: October 8, 2015Publication date: October 6, 2016Inventors: Min-Joo HAN, Dan Bi YANG, Ji Phyo HONG, Ki Chul SHIN
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Patent number: 9454045Abstract: According to an exemplary embodiment of the present invention, a liquid crystal display includes: a first substrate; a first subpixel electrode disposed on the first substrate, supplied with a first voltage and including a first sub region and a second sub region; a second subpixel electrode disposed on the first substrate and supplied with a second voltage; an insulating layer disposed on the first sub region of the first subpixel electrode and disposed beneath the second subpixel electrode and the second sub region of the first subpixel electrode; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, in which a first region in which the first subpixel electrode is formed includes four distinct areas having different characteristics.Type: GrantFiled: October 23, 2014Date of Patent: September 27, 2016Assignee: Samsung Display Co., Ltd.Inventors: Min Ju Han, Su Jeong Kim, Dan Bi Yang, Ji Phyo Hong
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Patent number: 9448444Abstract: A display device includes: a first insulation substrate; an insulating layer disposed on the first insulation substrate; a pixel electrode including a first subpixel electrode including a first subregion electrode disposed on the insulating layer and a second subregion electrode disposed below the insulating layer, and a second subpixel electrode disposed on the insulating layer, wherein a first voltage is applied to the first subpixel electrode and a second voltage is applied to the second subpixel; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate and configured to receive a common voltage, wherein the second subregion electrode overlaps a portion of the second subpixel electrode.Type: GrantFiled: July 16, 2014Date of Patent: September 20, 2016Assignee: Samsung Display Co., Ltd.Inventors: Dan Bi Yang, Hyo Sik Kim, Ki Chul Shin, Jae Hoon Jung, Min Ju Han, Ji Phyo Hong
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Publication number: 20160266446Abstract: A liquid crystal display of the present system and method includes: a lower substrate including a plurality of pixel areas; an upper substrate formed with a common electrode; a liquid crystal layer interposed between the lower substrate and the upper substrate; and first and second pixel electrodes respectively positioned in a plurality of pixel areas, wherein the second pixel electrode is positioned in a region including a center axis of each pixel area, and the first pixel electrode is positioned in a left side and a right side of the second pixel electrode.Type: ApplicationFiled: September 10, 2015Publication date: September 15, 2016Inventors: Dan Bi YANG, Min-Joo HAN, Ji Phyo HONG, Dong Han SONG, Ki Chul SHIN, Jae Hoon JUNG