Patents by Inventor Qiangtao Wang
Qiangtao Wang 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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Patent number: 10613391Abstract: A method for preparing a liquid crystal alignment layer, a liquid crystal alignment layer, and a display device. The method for preparing a liquid crystal alignment layer includes: S1, dripping liquid crystals and performing cell-assembling, wherein a liquid alignment material is added to the liquid crystals and the alignment material is curable and includes molecules capable of inducing alignment of liquid crystal molecules; S2, applying an electric field or a magnetic field, wherein the direction of the electric field is approximately the same as a preset direction of the liquid crystal alignment layer, and the direction of the magnetic field is perpendicular to the preset direction of the liquid crystal alignment layer; and S3, performing curing while maintaining the electric field or the magnetic field until the alignment material completes the curing reaction.Type: GrantFiled: February 5, 2016Date of Patent: April 7, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Yun Sik Im
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Patent number: 10303006Abstract: A liquid crystal lens and a display device are provided.Type: GrantFiled: January 4, 2015Date of Patent: May 28, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haiyan Wang, Kun Wu, Yunyun Tian, Zheng Fang, Qiangtao Wang, Hyun Sic Choi
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Patent number: 10198981Abstract: A pixel structure and a display device are provided. The pixel structure includes: a plurality of pixel units arranged in a matrix, each pixel unit including first to seventh subpixels arranged sequentially in a row direction, and the first subpixel, the second subpixel, the third subpixel and the fourth subpixel being different from one another in color. Each subpixel among the first to third subpixels has a same color as that of one subpixel among the fifth to the seventh pixels, respectively. The number of colors of the pixel structure becomes from original three to at least four, added subpixels are shared by pixels on both sides thereof, colors illustrated are more diversified by color modulation, and gamut of the display device is improved.Type: GrantFiled: April 14, 2015Date of Patent: February 5, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Qiangtao Wang, Hyun Sic Choi, Yun Sik Im
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Publication number: 20180107076Abstract: A pixel structure, a display panel and a display device. The pixel structure includes a plurality of sub-pixel units arranged in an array, and first electrodes and second electrodes for forming liquid crystal electric fields in the plurality of sub-pixel units; the first electrodes and the second electrodes are capable of respectively forming first domain liquid crystal electric fields and second domain liquid crystal electric fields in every two adjacent sub-pixel units after energized; and the direction of the first domain liquid crystal electric field and the direction of the second domain liquid crystal electric field is different.Type: ApplicationFiled: October 24, 2016Publication date: April 19, 2018Applicant: BOE Technology Group Co., Ltd.Inventors: Qiangtao Wang, Yun Sik Im
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Patent number: 9885926Abstract: The present invention discloses a slit electrode for solving the problem that the process margin of the existing slit electrode is relatively low. The slit electrode provided by the present invention comprises: at least one slit electrode unit, the slit electrode unit comprising a plurality of strip electrodes, a slit being provided between two adjacent strip electrodes; wherein each strip electrode has a given average width, the average widths of at least two strip electrodes in the slit electrode unit are not equal. The present invention further discloses an array substrate comprising the slit electrode and a display device.Type: GrantFiled: July 30, 2014Date of Patent: February 6, 2018Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Hyunsic Choi, Zheng Fang, Yunyun Tian
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Publication number: 20170371210Abstract: A method for preparing a liquid crystal alignment layer, a liquid crystal alignment layer, and a display device. The method for preparing a liquid crystal alignment layer includes: S1, dripping liquid crystals and performing cell-assembling, wherein a liquid alignment material is added to the liquid crystals and the alignment material is curable and includes molecules capable of inducing alignment of liquid crystal molecules S2, applying an electric field or a magnetic field, wherein the direction of the electric field is approximately the same as a preset direction of the liquid crystal alignment layer, and the direction of the magnetic field is perpendicular to the preset direction of the liquid crystal alignment layer; and S3, performing curing while maintaining the electric field or the magnetic field until the alignment material completes the curing reaction.Type: ApplicationFiled: February 5, 2016Publication date: December 28, 2017Inventors: Qiangtao WANG, Yun Sik IM
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Patent number: 9810912Abstract: A liquid crystal (LC) lens, a manufacturing method thereof and a display device are provided. The LC lens comprises a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate. A plurality of electrode groups is disposed on the first substrate; each electrode group comprises a plurality of mutually insulated electrodes; and a transparent partition is disposed between two adjacent electrode groups. The LC lens can avoid LC disclination in the area between two adjacent strip electrode groups and hence avoid the influence of 3D display effect.Type: GrantFiled: May 20, 2014Date of Patent: November 7, 2017Assignee: BOE Technology Group Co., Ltd.Inventors: Qiangtao Wang, Hyun Sic Choi, Jing Lv, Zheng Fang
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Patent number: 9759859Abstract: Disclosed are a display device and a manufacturing method thereof. The display device includes a display panel and a backlight module, wherein the display panel includes a first display substrate, the backlight module includes a light guide plate and a plurality of optical films, the light guide plate and the first display substrate are subjected to assembling and aligning, and the optical films are packaged between the light guide plate and the first display substrate. The light guide plate and the first display substrate of the display device are packaged together, and the optical films are packaged therebetween, the optical films are laminated to be firmly fixed together to prevent the optical films from being scratched, so no protection layer needs to be arranged in the backlight module, in this way, the thickness of the backlight module is decreased, and the thickness of the display device is decreased beneficially.Type: GrantFiled: April 8, 2016Date of Patent: September 12, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Yunsik Im
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Patent number: 9741743Abstract: Embodiments of the present invention disclose an array substrate comprising: a base substrate, a gate line and a gate electrode located on the base substrate; an insulating layer covering the gate line and the gate electrode; an active layer on the insulating layer, corresponding to the gate electrode; an etch stop layer above the active layer, the etch stop layer including a first via hole and a second via hole located above the active layer; a data line, a source electrode and a drain electrode and a pixel electrode on the etch stop layer, wherein the source electrode is connected with the active layer through the first via hole, wherein the etch stop layer is made of a light-shielding material.Type: GrantFiled: March 28, 2016Date of Patent: August 22, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Li Xiao, Qiangtao Wang
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Publication number: 20170148920Abstract: A thin film transistor (TFT), a method for fabricating the TFT, and a display device are provided. The TFT comprises a first gate electrode and a second gate electrode; and an active layer located in between of the first gate electrode and the second gate electrode and being insulated from the first gate electrode and the second gate electrode; wherein the first gate electrode is connected with the second gate electrode through a via hole; and the first gate electrode is made of a light-shielding material for blocking light from irradiating on the active layer.Type: ApplicationFiled: December 28, 2015Publication date: May 25, 2017Inventors: HUI ZHANG, QIANGTAO WANG
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Patent number: 9638951Abstract: A color filter substrate, an array substrate, a liquid crystal panel and a liquid crystal display device are disclosed. Said color filter substrate includes a plurality of pixel units, wherein said pixel unit comprises two diamond shaped sub-pixels and four isosceles triangle shaped sub-pixels, every two isosceles triangle shaped sub-pixels are arranged into a sub-pixel column with their vertex angles opposite to each other, and two sub-pixel columns are parallel to each other; said two diamond shaped sub-pixels and said two sub-pixel columns are disposed alternatively in horizontal direction; and colors of said diamond sub-pixels and the isosceles triangle shaped sub-pixels at least contains red, blue and green. The liquid crystal panel can enhance color reproducibility of the liquid crystal display panel and refinement degree of picture display and hence improving reality of picture display effect.Type: GrantFiled: December 3, 2012Date of Patent: May 2, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Wenbing Li, Xinli Ma, Yan Li
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Patent number: 9612487Abstract: The present invention provides an array substrate, a manufacturing method thereof and a display device, relates to the field of liquid crystal display technology, and can solve the problem of low aperture ratio of the existing array substrate. The array substrate of the present invention comprises: a light filtering layer provided on a substrate a thin film transistor formed thereon, a planarization layer covering the light filtering layer, and a pixel electrode provided above the planarization layer, the array substrate further comprises: a third electrode layer connected to a drain of the thin film transistor and extending onto the light filtering layer; and a contacting via penetrating through the planarization layer and provided above a portion of the third electrode layer on the light filtering layer, the pixel electrode being connected to the third electrode layer through the contacting via.Type: GrantFiled: April 15, 2014Date of Patent: April 4, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Hyunsic Choi, Zheng Fang
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Patent number: 9575328Abstract: The present invention relates to the field of display technology, and particularly to a stereoscopic display device and a cell-aligning packaging method of the same. The stereoscopic display device is divided into a display area and a non-display area surrounding the display area on the periphery of the display area, and comprises a conversion panel and a liquid crystal panel which are aligned to form a cell, a first polarizer is provided between the conversion panel and the liquid crystal panel, the first polarizer is arranged in the display area, and an adhesive lump is provided around the first polarizer and correspondingly to the non-display area between the conversion panel and the liquid crystal panel and is used for bonding the conversion panel and the liquid crystal panel into a whole.Type: GrantFiled: April 21, 2014Date of Patent: February 21, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiangtao Wang, Hyunsic Choi, Haiyan Wang, Zheng Fang
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Publication number: 20170038647Abstract: The present invention discloses a slit electrode for solving the problem that the process margin of the existing slit electrode is relatively low. The slit electrode provided by the present invention comprises: at least one slit electrode unit, the slit electrode unit comprising a plurality of strip electrodes, a slit being provided between two adjacent strip electrodes; wherein each strip electrode has a given average width, the average widths of at least two strip electrodes in the slit electrode unit are not equal. The present invention further discloses an array substrate comprising the slit electrode and a display device.Type: ApplicationFiled: July 30, 2014Publication date: February 9, 2017Inventors: QIANGTAO WANG, HYUNSIC CHOI, ZHENG FANG, YUNYUN TIAN
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Patent number: 9507224Abstract: A display panel (01) is provided. The display panel (01) includes a first substrate (10) and a second substrate (20) bonded to each other, and electro-optic material (30) disposed between the first substrate (10) and the second substrate (20). The first substrate (10) includes a thin film transistor (101), a first electrode (102) and a second electrode (103). The second substrate (20) may comprise a resin layer and a plurality of conductive electrodes (202), the resin layer includes a plurality of color filters having different colors and arranged sequentially and alternately. Along a color changing direction of the color filters of the resin layer, at least a part (202a) of one conductive electrode (202) is disposed at an edge of at least one color filter. The conductive electrode (202) may be disposed above or under the resin layer. The conductive electrode (202) may be of the same potential with any one of the first electrode (102) and the second electrode (103).Type: GrantFiled: June 20, 2014Date of Patent: November 29, 2016Assignee: BOE Technology Group Co., Ltd.Inventors: Yunyun Tian, Hyun Sic Choi, Qiangtao Wang
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Publication number: 20160327734Abstract: Disclosed are a display device and a manufacturing method thereof. The display device includes a display panel and a backlight module, wherein the display panel includes a first display substrate, the backlight module includes a light guide plate and a plurality of optical films, the light guide plate and the first display substrate are subjected to assembling and aligning, and the optical films are packaged between the light guide plate and the first display substrate. The light guide plate and the first display substrate of the display device are packaged together, and the optical films are packaged therebetween, the optical films are laminated to be firmly fixed together to prevent the optical films from being scratched, so no protection layer needs to be arranged in the backlight module, in this way, the thickness of the backlight module is decreased, and the thickness of the display device is decreased beneficially.Type: ApplicationFiled: April 8, 2016Publication date: November 10, 2016Inventors: Qiangtao WANG, Yunsik IM
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Publication number: 20160313565Abstract: A liquid crystal (LC) lens, a manufacturing method thereof and a display device are provided. The LC lens comprises a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate. A plurality of electrode groups is disposed on the first substrate; each electrode group comprises a plurality of mutually insulated electrodes; and a transparent partition is disposed between two adjacent electrode groups. The LC lens can avoid LC disclination in the area between two adjacent strip electrode groups and hence avoid the influence of 3D display effect.Type: ApplicationFiled: May 20, 2014Publication date: October 27, 2016Applicant: BOE Technology Group Co., Ltd.Inventors: Qiangtao WANG, Hyun Sic CHOI, Jing LV, Zheng FANG
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Publication number: 20160300861Abstract: Embodiments of the present invention disclose an array substrate comprising: a base substrate, a gate line and a gate electrode located on the base substrate; an insulating layer covering the gate line and the gate electrode; an active layer on the insulating layer, corresponding to the gate electrode; an etch stop layer above the active layer, the etch stop layer including a first via hole and a second via hole located above the active layer; a data line, a source electrode and a drain electrode and a pixel electrode on the etch stop layer, wherein the source electrode is connected with the active layer through the first via hole, wherein the etch stop layer is made of a light-shielding material.Type: ApplicationFiled: March 28, 2016Publication date: October 13, 2016Inventors: Li Xiao, Qiangtao Wang
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Publication number: 20160253940Abstract: A pixel structure and a display device are provided. The pixel structure includes: a plurality of pixel units arranged in a matrix, each pixel unit including first to seventh subpixels arranged sequentially in a row direction, and the first subpixel, the second subpixel, the third subpixel and the fourth subpixel being different from one another in color. Each subpixel among the first to third subpixels has a same color as that of one subpixel among the fifth to the seventh pixels, respectively. The number of colors of the pixel structure becomes from original three to at least four, added subpixels are shared by pixels on both sides thereof, colors illustrated are more diversified by color modulation, and gamut of the display device is improved.Type: ApplicationFiled: April 14, 2015Publication date: September 1, 2016Inventors: Qiangtao WANG, Hyun Sic CHOI, Yun Sik IM
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Publication number: 20160252782Abstract: A liquid crystal lens and a display device are provided.Type: ApplicationFiled: January 4, 2015Publication date: September 1, 2016Inventors: Haiyan WANG, Kun WU, Yunyun TIAN, Zheng FANG, Qiangtao WANG, Hyun Sic CHOI