Patents by Inventor Weili Zhao
Weili Zhao 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: 10642096Abstract: A backlight module and a display device are provided. The backlight module includes: a light source, and a plurality of light exit apertures on a light exit side of the light source, where a converging grating is arranged in the light exit aperture; and the converging grating includes: a circular first grating section at the center, and a plurality of annular second grating sections surrounding the first grating section and radially outwardly distributed successively, where the light-transmitting slits of the first grating and the second grating sections are annular light-transmitting slits. The converging grating is configured to converge light at various angles emitted by the corresponding light exit aperture into some specified position.Type: GrantFiled: May 24, 2019Date of Patent: May 5, 2020Assignee: BOE Technology Group Co., Ltd.Inventors: Weili Zhao, Xue Dong, Xiaochuan Chen, Wenqing Zhao, Zhongxiao Li
-
Patent number: 10627664Abstract: A display panel, a display device, and a display method are provided. A first light-shielding layer and a grating layer are arranged on a first base to form an array substrate of the display panel, a second light-shielding layer and a lens structure layer are arranged on a second base to form an opposite substrate of the display panel, grooves recessed toward the second base are arranged on the lens structure layer, the first light-shielding layer includes first light-shielding regions and first gap regions which are alternately arranged, the first gap regions are within orthographic projections of the grooves onto the first light-shielding layer, the second light-shielding layer includes second blocking regions and second gap regions which are alternately arranged, and a projection of an apex of the curved surface of the groove onto the second blocking layer is located in the second blocking region.Type: GrantFiled: October 24, 2018Date of Patent: April 21, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao Li, Wenqing Zhao, Weili Zhao, Haiyan Wang
-
Patent number: 10620502Abstract: A liquid crystal lens, a method of controlling a liquid crystal lens and liquid crystal glasses are provided. The liquid crystal lens includes a liquid crystal layer; and an electrode structure. The electrode structure includes: a first sector region; a second sector region; at least two first annular sector electrodes in the first sector region; and at least two second annular sector electrodes in the second sector region. The electrode structure is configured to: in response to voltages applied to the at least two first annular sector electrodes, configure the liquid crystal molecules as a first Fresnel element; and in response to voltages applied to the at least two second annular sector electrodes, configure the liquid crystal molecules as a second Fresnel element, the second Fresnel element being different from the first Fresnel element.Type: GrantFiled: September 12, 2018Date of Patent: April 14, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: ChenYu Chen, Weili Zhao
-
Patent number: 10607557Abstract: An array substrate, a display device and a driving method thereof are provided. In the array substrate, in a first pixel unit constituting a display unit group, a TFT of the first sub-pixel and a TFT of the second sub-pixel are connected to the same data line. In the second pixel unit of the display unit group, a TFT of the second sub-pixel and a TFT of the third sub-pixel are connected to the same data line. A distance along a direction of the gate line between adjacent two sub-pixels having a data line between them is a first shielding size, a distance along the direction of the gate line exists between adjacent two sub-pixels having no data line between them is a second shielding size, and the second shielding size is smaller than the first shielding size.Type: GrantFiled: August 15, 2017Date of Patent: March 31, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weili Zhao, Jae Geon You
-
Patent number: 10591758Abstract: A curved liquid crystal display panel and a curved liquid crystal display device are disclosed. The curved liquid crystal display panel comprises: two substrates curved towards a same direction with liquid crystals filled therebetween to form a curved liquid crystal layer; and a transparent layer covering an outer surface of a glass of at least one of the substrates, a stress-optical coefficient of the glass of the substrate and a stress-optical coefficient of the transparent layer at a same side of the liquid crystal layer have opposite signs, wherein the outer surface of the glass of the substrate is a surface of the glass of the substrate away from the liquid crystals. The curved liquid crystal display device comprises the curved liquid crystal display panel. The optical rotation effects of the glass of the substrate and the transparent layer located at the same side of the liquid crystal layer are opposite from each other, optical delay thereof are counteracted by each other.Type: GrantFiled: May 8, 2015Date of Patent: March 17, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weili Zhao, Jae-Geon You
-
Publication number: 20200057337Abstract: A backlight module and a display device are provided. The backlight module includes: a light source, and a plurality of light exit apertures on a light exit side of the light source, where a converging grating is arranged in the light exit aperture; and the converging grating includes: a circular first grating section at the center, and a plurality of annular second grating sections surrounding the first grating section and radially outwardly distributed successively, where the light-transmitting slits of the first grating and the second grating sections are annular light-transmitting slits. The converging grating is configured to converge light at various angles emitted by the corresponding light exit aperture into some specified position.Type: ApplicationFiled: May 24, 2019Publication date: February 20, 2020Inventors: Weili ZHAO, Xue DONG, Xiaochuan CHEN, Wenqing ZHAO, Zhongxiao LI
-
Patent number: 10534226Abstract: The present invention provides a curved display device, a method for manufacturing a curved display device and an electronic device. The curved display device may comprise a first curved light-transmitting substrate, a second curved light-transmitting substrate arranged opposite to the first curved light-transmitting substrate and a sealant having a particular width distribution which is located between the first curved light-transmitting substrate and the second curved light-transmitting substrate and coated along edges of the first curved light-transmitting substrate and the second curved light-transmitting substrate.Type: GrantFiled: January 15, 2016Date of Patent: January 14, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinxing Wang, Weili Zhao, Jaegeon You
-
Patent number: 10509219Abstract: The present disclosure relates to the display technical field and discloses specifically an electrowetting display apparatus, comprising: an electrowetting casing including a black oil layer to which an ultraviolet absorbing material is added; an ultraviolet light source arranged at a lower side of the electrowetting casing, for emitting ultraviolet (UV) light upwards; and a colored fluorescent layer arranged at an upper side of the electrowetting casing. By means of the electrowetting display apparatus in the present disclosure, wherein the ultraviolet light source emits UV light, the ultraviolet absorbing material in the black oil layer absorbs the UV light when the black oil layer spreads, and the colored fluorescent layer displays colors when the black oil layer is applied with electric power and then contracts, such that no colored membrane is necessary to achieve a colored display, and thus an outstanding display effect can be realized.Type: GrantFiled: September 29, 2014Date of Patent: December 17, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Weili Zhao
-
Patent number: 10481434Abstract: A flexible liquid crystal display panel and a display device are disclosed. The flexible liquid crystal display panel comprises: a first flexible substrate and a second flexible substrate arranged oppositely; a first polarizer on a side of the first flexible substrate facing away from the second flexible substrate; a second polarizer on a side of the second flexible substrate facing away from the first flexible substrate; and a positive C plate compensation film and a first negative A plate compensation film arranged on the second flexible substrate; the positive C plate compensation film is arranged between the second flexible substrate and the first negative A plate compensation film. The light leakage defect of a visual angle greater than zero in a dark state can be overcome, which occurs since the absorption axis of the first polarizer and the absorption axis of the second polarizer are not perpendicular to each other.Type: GrantFiled: July 14, 2016Date of Patent: November 19, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Jia, Yingtao Wang, Weili Zhao
-
Publication number: 20190302567Abstract: A liquid crystal lens, a method of controlling a liquid crystal lens and liquid crystal glasses are provided. The liquid crystal lens includes a liquid crystal layer; and an electrode structure. The electrode structure includes: a first sector region; a second sector region; at least two first annular sector electrodes in the first sector region; and at least two second annular sector electrodes in the second sector region. The electrode structure is configured to: in response to voltages applied to the at least two first annular sector electrodes, configure the liquid crystal molecules as a first Fresnel element; and in response to voltages applied to the at least two second annular sector electrodes, configure the liquid crystal molecules as a second Fresnel element, the second Fresnel element being different from the first Fresnel element.Type: ApplicationFiled: September 12, 2018Publication date: October 3, 2019Inventors: ChenYu CHEN, Weili ZHAO
-
Publication number: 20190278153Abstract: The present disclosure relates to a lens and a method for fabricating the same. The lens includes a Fresnel liquid crystal lens and a geometric lens which are sequentially stacked.Type: ApplicationFiled: November 7, 2018Publication date: September 12, 2019Inventors: Weili Zhao, Qian Wang, Wenqing Zhao
-
Patent number: 10340342Abstract: A semiconductor device and its manufacturing method are presented. The semiconductor device includes a collection region, a base region adjacent to the collection region, an emission region adjacent to the base region, and a doped semiconductor layer on the emission region. The width of the doped semiconductor layer is larger than the width of the emission region, a conductive type (e.g., P-type or N-type) of the doped semiconductor layer is the same as a conductive type of the emission region. In this inventive concept, the width of the doped semiconductor layer on the emission region is larger than the width of the emission region, that equivalently increases the width of the emission region, which in turn increases the DC amplification factor (?) and therefore improves the overall performance of the semiconductor device.Type: GrantFiled: January 5, 2018Date of Patent: July 2, 2019Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: JianXiang Cai, YiQi Wang, WeiLi Zhao, XiaoFang Yang, JingGuo Jia
-
Publication number: 20190129239Abstract: A display panel, a display device, and a display method are provided. A first light-shielding layer and a grating layer are arranged on a first base to form an array substrate of the display panel, a second light-shielding layer and a lens structure layer are arranged on a second base to form an opposite substrate of the display panel, grooves recessed toward the second base are arranged on the lens structure layer, the first light-shielding layer includes first light-shielding regions and first gap regions which are alternately arranged, the first gap regions are within orthographic projections of the grooves onto the first light-shielding layer, the second light-shielding layer includes second blocking regions and second gap regions which are alternately arranged, and a projection of an apex of the curved surface of the groove onto the second blocking layer is located in the second blocking region.Type: ApplicationFiled: October 24, 2018Publication date: May 2, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongxiao LI, Wenqing ZHAO, Weili ZHAO, Haiyan WANG
-
Patent number: 10254588Abstract: A curved surface LCD panel and a display device are disclosed. The curved surface LCD panel includes an array substrate and an opposite substrate parallel with each other and curved in a same direction, wherein edge zones of the array substrate and the opposite substrate having plural optical retardation zones, each of the optical retardation zones on the array substrate being corresponding to one of the optical retardation zones on the opposite substrate, and two corresponding optical retardation zones constituting a zone group; a LC layer located between the array substrate and the opposite substrate; and an optical compensation film attached at each of the optical retardation zones in at least one zone group; wherein the optical compensation film being perpendicular to an optical axis of the optical retardation zone attached with the optical compensation film and having an equal optical retardation with the optical retardation zone.Type: GrantFiled: March 8, 2017Date of Patent: April 9, 2019Assignee: BOE Technology Group Co., Ltd.Inventors: Weili Zhao, Jikai Yao, Hua Huang
-
Publication number: 20190101788Abstract: A display panel and a display apparatus are provided. The display panel comprises a first substrate, a refractive index adjustment mechanism and a second substrate successively arranged along a light output direction, a first black matrix is formed on the first substrate and includes first shading portions and first openings, and a second black matrix is formed on the second substrate and includes second shading portions and second openings. The first shading portions are arranged opposite to the corresponding second openings, and the second shading portions are arranged opposite to the corresponding first openings. In the case where the display panel is in a power-off state, light cannot penetrate the display panel. In the case where the display panel is in a power-on state, the refractive index adjustment mechanism can adjust intensity of light exiting from the second openings.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Inventors: Weili ZHAO, Zhongxiao LI, Wenqing ZHAO
-
Publication number: 20190101797Abstract: The present disclosure relates to a grayscale control structure, including a first substrate, a light extraction layer, an electrode layer, a liquid crystal layer, a filter layer and a second substrate which are sequentially stacked. The electrode layer is provided with a plurality of strip-shaped electrodes arranged in parallel to form lens units in the liquid crystal layer. The filter layer includes light exit strips and a black matrix arranged in parallel, and the light exit strips are disposed opposite to the lens units. Light extraction gratings are disposed in the light extraction layer, the light extraction gratings are disposed opposite to the light exit strips, and a projection of individual one of the light exit strips on the light extraction layer covers a corresponding one of the light extraction gratings.Type: ApplicationFiled: August 30, 2018Publication date: April 4, 2019Inventors: Haiyan Wang, Wenqing Zhao, Weili Zhao
-
Patent number: 10222640Abstract: The present disclosure provides a curved display panel, including a first substrate and an opposing second substrate, the first substrate including a light-filtering layer. The light-filtering layer includes a first light-filtering unit, a second light-filtering unit, and a third light-filtering unit in a pixel unit; and at least one of an effective light-filtering area of the second light-filtering unit and an effective light-filtering area of the third light-filtering unit is larger than or smaller than an effective light-filtering area of the first light-filtering unit. A ratio of the effective light-filtering area of the second light-filtering unit to the effective light-filtering area of the first light-filtering unit is greater than or equal to about 0.9 and less than about 1, or is greater than about 1 and less than or equal to about 1.1.Type: GrantFiled: August 12, 2016Date of Patent: March 5, 2019Assignee: BOE Technology Group Co., Ltd.Inventor: Weili Zhao
-
Publication number: 20190025641Abstract: A color filter substrate, a display panel and a display apparatus containing the color filter substrate are provided. The color filter substrate includes a color filter layer, a phase difference layer and a first wire grid polarizer arranged in sequence, the phase difference layer including a plurality of first phase shift structures and a plurality of second phase shift structures arranged alternately, the phase difference layer allowing P light that passes through the first phase shift structures and P light that passes through the second phase shift structures to have a phase difference.Type: ApplicationFiled: May 8, 2018Publication date: January 24, 2019Inventors: Weili ZHAO, Jae Geon YOU
-
Publication number: 20190018272Abstract: The present disclosure provides a display panel and a display device, relating to the filed of display technology, at least partly solving the problem of light leakage in the existing display panel and reducing the amount of light leakage. The display panel of the present disclosure includes an array substrate, an opposite substrate and a liquid crystal layer between the array substrate and the opposite substrate; an optical compensation film disposed at either side of the liquid crystal layer, wherein the optical compensation film is configured to compensate for a phase retardation subjected by light passing through the liquid crystal layer.Type: ApplicationFiled: February 13, 2017Publication date: January 17, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Weili ZHAO, Xue DONG, Jikai YAO
-
Publication number: 20180231822Abstract: The present disclosure provides a curved display panel, including a first substrate and an opposing second substrate, the first substrate including a light-filtering layer. The light-filtering layer includes a first light-filtering unit, a second light-filtering unit, and a third light-filtering unit in a pixel unit; and at least one of an effective light-filtering area of the second light-filtering unit and an effective light-filtering area of the third light-filtering unit is larger than or smaller than an effective light-filtering area of the first light-filtering unit. A ratio of the effective light-filtering area of the second light-filtering unit to the effective light-filtering area of the first light-filtering unit is greater than or equal to about 0.9 and less than about 1, or is greater than about 1 and less than or equal to about 1.1.Type: ApplicationFiled: August 12, 2016Publication date: August 16, 2018Inventor: Weili ZHAO