Patents by Inventor Chen-Hsien Liao
Chen-Hsien Liao 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: 20130155355Abstract: A filter unit of a LCD and a LCD are provided. Under a CIE standard C light source, an x-coordinate value of light passing through the filter unit in a CIE 1931 chromaticity coordinate is greater than or equal to 0.302, an illumination Y value of the light is greater than or equal to 60, and relative to the standard color sample in which (x, y) is (0.299, 0.595) in a CIE 1931 chromaticity coordinate, the CIE DE2000 color difference value ?E00 of the light is less than 1.Type: ApplicationFiled: April 18, 2012Publication date: June 20, 2013Applicant: Au Optronics CorporationInventors: Chia-Hao Li, Chen-Hsien Liao, Kuei-Bai Chen, Chien-Kai Chen
-
Publication number: 20130134461Abstract: A display apparatus includes an organic electroluminescence (OEL) device and a color filter. At different correlated color temperatures (CCTs), a light emitting spectrum of the OEL device is adjusted to meet specific display requirements and improve the display quality of the display apparatus. In addition, a light filtering spectrum of the color filter is adjusted simultaneously to match the light emitting spectrum of the OEL device, so that the display apparatus has an excellent display effect.Type: ApplicationFiled: April 5, 2012Publication date: May 30, 2013Applicant: AU OPTRONICS CORPORATIONInventors: Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20130128195Abstract: Disclosed herein is a color filter, which includes a substrate and a green color resist. The green color resist is disposed on the substrate. The green color resist has a function A(?) defined by a product of the transmittance spectrum of the green color resist and the CIE color matching function Z(?). The function A(?) has a maximum of less than 0.28, and the function A(?) satisfies the following formula (II): ?380780A(?)d?>10.26??formula (II).Type: ApplicationFiled: May 4, 2012Publication date: May 23, 2013Applicant: AU Optronics CorporationInventors: Kuei-Bai CHEN, Chien-Kai CHEN, Chen-Hsien LIAO, Chia-Hao LI
-
Patent number: 8421966Abstract: A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (Rx, Ry, RY), a green color filter layer (Gx, Gy, GY), a blue color filter layer (Bx, By, BY) and a yellow color filter layer (Yx, Yy, YY), wherein under the backlight source, the red color filter layer, the green color filter layer, the blue color filter layer and the yellow color filter layer satisfy following conditions: Rx?0.654; Ry?0.330; Gx?0.253; Gy?0.605; Bx?0.136; By?0.146; Yx?0.408; Yy?0.534; 0.83?RY/GY?0.87; 0.86?GY/BY?0.92; 0.83?BY/YY?0.87 and 1.5?YY/RY?1.55.Type: GrantFiled: May 19, 2011Date of Patent: April 16, 2013Assignee: Au Optronics CorporationInventors: Ying-Li Wang, Yun-I Liu, Chun-Liang Lin, Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20120275045Abstract: A blue photoresist for a color filter substrate is provided. In the wavelength 380 nm to 580 nm, the half-width of the spectrum function of the blue photoresist is represented as Ha, the half-width of the color match function defined by CIE (Commission International de L'Eclairage) at 1931 is presented as Hb, and 3.7>Ha/Hb>1.91. Therefore, the light transmittance of the blue photoresist can be improved so that the efficiency utilizations of light of a color filter substrate and display device using the blue photoresist are provided.Type: ApplicationFiled: December 16, 2011Publication date: November 1, 2012Applicant: AU OPTRONICS CORP.Inventors: Kuei-Bai CHEN, Chien-Kai CHEN, Chen-Hsien LIAO, Chia-Hao LI
-
Patent number: 8289479Abstract: A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (Rx, Ry, RY), a green color filter layer (Gx, Gy, GY), a blue color filter layer (Bx, By, BY) and a yellow color filter layer (Yx, Yy, YY), wherein under the backlight source, the red color filter layer, the green color filter layer, the blue color filter layer and the yellow color filter layer satisfy following conditions: Rx?0.654; Ry?0.330; Gx?0.253; Gy?0.605; Bx?0.136; By?0.146; Yx?0.408; Yy?0.534; 0.83?RY/GY?0.87; 0.86?GY/BY?0.92; 0.83?BY/YY?0.87 and 1.5?YY/RY?1.55.Type: GrantFiled: December 6, 2010Date of Patent: October 16, 2012Assignee: Au Optronics CorporationInventors: Ying-Li Wang, Yun-I Liu, Chun-Liang Lin, Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20120169215Abstract: A color display includes a display panel and an organic light-emitting diode. The display panel includes a color filter. The color filter includes a red photoresist, a green photoresist, and a blue photoresist. The blue photoresist is a dye base resist. The organic light-emitting diode backlight source is used for providing a first light source for the display panel. Therefore, the organic light-emitting diode is able to generate a white point of color light which can match a specification through the color filter.Type: ApplicationFiled: March 1, 2011Publication date: July 5, 2012Inventors: Yun-I Liu, Chen-Hsien Liao
-
Patent number: 8152319Abstract: A backlight module and a liquid crystal display are disclosed. In the backlight module having a reflector base, a phosphor layer is disposed on the reflector base, and a plurality of blue light emitting diode (LEDs) are disposed above the reflector base and the phosphor layer for emitting a first light beam. An optical film is disposed above the reflector base, the phosphor layer and the blue LEDs for allowing P-polarized light of the first light beam to pass therethrough and reflecting S-polarized light of the first light beam to the phosphor layer so as to excite the phosphor layer to generate a second light beam of which the wavelengths are different from those of the first light beam. After being reflected to the optical film by the reflector base, the second light beam transmits through the optical film, and mixes with the first light beam to generate white light.Type: GrantFiled: May 29, 2009Date of Patent: April 10, 2012Assignee: Au Optronics CorporationInventors: Chun-Liang Lin, Ya-Ling Hsu, Ying-Li Wang, Chun-Chieh Wang, Chen-Hsien Liao
-
Publication number: 20120069274Abstract: A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (Rx, Ry, RY), a green color filter layer (Gx, Gy, GY), a blue color filter layer (Bx, By, BY) and a yellow color filter layer (Yx, Yy, YY), wherein under the backlight source, the red color filter layer, the green color filter layer, the blue color filter layer and the yellow color filter layer satisfy following conditions: Rx?0.654; Ry?0.330; Gx?0.253; Gy?0.605; Bx?0.136; By?0.146; Yx?0.408; Yy?0.534; 0.83?RY/GY?0.87; 0.86?GY/BY?0.92; 0.83?BY/YY?0.87 and 1.5?YY/RY?1.55.Type: ApplicationFiled: May 19, 2011Publication date: March 22, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Ying-Li Wang, Yun-I Liu, Chun-Liang Lin, Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20120069277Abstract: A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (Rx, Ry, RY), a green color filter layer (Gx, Gy, GY), a blue color filter layer (Bx, By, BY) and a yellow color filter layer (Yx, Yy, YY), wherein under the backlight source, the red color filter layer, the green color filter layer, the blue color filter layer and the yellow color filter layer satisfy following conditions: Rx?0.654; Ry?0.330; Gx?0.253; Gy?0.605; Bx?0.136; By?0.146; Yx?0.408; Yy?0.534; 0.83?RY/GY?0.87; 0.86?GY/BY?0.92; 0.83?BY/YY?0.87 and 1.5?YY/RY?1.55.Type: ApplicationFiled: December 6, 2010Publication date: March 22, 2012Applicant: AU OPTRONICS CORPORATIONInventors: Ying-Li Wang, Yun-I Liu, Chun-Liang Lin, Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20120033164Abstract: A liquid crystal display device includes a white light emitting diode backlight module for supplying white light, a plurality of red sub-pixels, a plurality of green sub-pixels and a plurality of blue sub-pixels. Each of the blue sub-pixels includes a blue color filter, and each of the blue color filters has a blue light wavelength-transmittance relationship curve. A ratio of a maximum transmittance of the blue light wavelength-transmittance relationship curve to a full width at half maximum value of the maximum transmittance is greater than or equal to 0.0075.Type: ApplicationFiled: March 29, 2011Publication date: February 9, 2012Inventors: Chung-Ting Chen, Chen-Hsien Liao
-
Patent number: 8102602Abstract: A method for modifying color resists of color filter includes the steps of: providing a white light-emitting diode (WLED) emitting light having wavelength of ?i and having an emission spectrum BL(?i); providing a color filter comprising a plurality of red, green and blue color resists and having a transmission spectrum CF(?i); modifying compositions or concentrations of pigments of the red color resists to increase transmission rate of the wavelength ?i ranging between 580 nm and 600 nm for the red color resists; and modifying compositions or concentrations of pigments of the green color resists to increase transmission rate of the wavelength ?i ranging between 570 nm and 590 nm for the green color resists. A display is also disclosed herein.Type: GrantFiled: February 23, 2009Date of Patent: January 24, 2012Assignee: Au Optronics CorporationInventors: Ya-Ling Su, Chun-Liang Lin, Chun-Chieh Wang, Chen-Hsien Liao
-
Patent number: 8054408Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a first backlight source, a second backlight source and a liquid crystal panel. The first backlight source provides magenta backlight and the second backlight source provides green backlight. The first and second backlight sources are alternatively driven periodically to provide backlight for illustrating images. The liquid crystal panel comprises a liquid crystal layer and a color filter. The liquid crystal molecules of the liquid crystal layer are controlled for adjusting the transmittance of the backlight provided by the first and second backlight sources. The color filter includes red pixel areas, transparent pixel areas and blue pixel areas for performing color filtering operations on the backlight penetrating through the liquid crystal layer.Type: GrantFiled: February 8, 2009Date of Patent: November 8, 2011Assignee: AU Optronics Corp.Inventors: Ya-Ling Hsu, Chun-Liang Lin, Chien-Kai Chen, Chen-Hsien Liao
-
Publication number: 20110157871Abstract: A display device and a manufacturing method thereof are provided. The display device includes a backlight module and a color resist layer. The backlight module generates an output light, wherein the output light has an emitting spectrum function BL(?) corresponding to a wave length ?. The color resist layer has a blue resist unit, a green resist unit, a red resist unit, and a white resist unit, respectively formed on the backlight module, for filtering the output light generated by the backlight module. The color resist layer has an index function S(?). The index function S(?) has an interval maximum value in the wave length between 480 nm and 580 nm, wherein the interval maximum value is between 1.1 and 1.2.Type: ApplicationFiled: December 17, 2010Publication date: June 30, 2011Applicant: AU OPTRONICS CORPORATIONInventors: Yun-I Liu, Chen-Hsien Liao
-
Patent number: 7952657Abstract: A liquid crystal display comprising a backlight module and a liquid crystal display panel is provided. The backlight module comprises a white point source that emits a spectrum of light comprising three peaks. The liquid crystal display panel comprises a liquid crystal layer disposed between a color filter substrate, which comprises a blue filter, a green filter and a red filter, and an opposite substrate. The color filter substrate and the backlight module satisfy the following formulas: ? 555 605 ? ? BL ? ( ? ) × CF Red ? ( ? ) × ?? ? 6.0 ; ( 1 ) ? 580 630 ? ? BL ? ( ? ) × CF Green ? ( ? ) × ?? ? 3.5 ; ( 2 ) ? 505 580 ? ? BL ? ( ? ) × CF Blue ? ( ? ) × ?? ? 3.5 . ( 3 ) Herein, the backlight module has the maximum luminance in one wavelength, with the maximum luminance being set at 1.0. BL (?) represents the normalized luminance spectrum at each wavelength.Type: GrantFiled: March 5, 2007Date of Patent: May 31, 2011Assignee: Au Optronics CorporationInventors: Sheng-Wen Cheng, Chun-Chieh Wang, Chen-Hsien Liao
-
Patent number: 7864428Abstract: An optical recognition device is provided. The optical recognition device includes a transparent substrate, a patterned infrared reflective film formed thereon, and an infrared anti-reflective film sheltering a gap in a recognition pattern of the patterned infrared reflective film, wherein the patterned infrared reflective film reflects the recognition pattern by reflection of infrared light and transmission of visible light. The invention also provides a display incorporating the optical recognition device.Type: GrantFiled: February 27, 2008Date of Patent: January 4, 2011Assignee: AU Optronics Corp.Inventors: Pei-Yu Chen, Sheng-Wen Cheng, Chen-Hsien Liao
-
Patent number: 7821195Abstract: A high color expression display device and a method for manufacturing the same are provided. The display device includes a backlight module and a display panel for receiving light from the backlight module. The display panel has a color filter layer which consists of a plurality of color resists above the backlight module. Lights from the backlight module pass through the color resists and out of the display panel to form an output light. A NTSC saturation of the output light may be greater or smaller than 60%, and a CIE standard illuminant C test result of the color resists may correspondingly fall into different predetermined scopes to prevent color shift and maintain brightness of the display device.Type: GrantFiled: January 21, 2010Date of Patent: October 26, 2010Assignee: Au Optronics CorporationInventors: Chun-Chieh Wang, Chung-Ting Chen, Chen-Hsien Liao, Chien-Chih Chen
-
Patent number: 7791685Abstract: An liquid crystal display including a backlight module and an LCD panel is disclosed. The backlight module has a white light source, and the normalized optical spectrum of the backlight module is BL(?). The LCD panel includes a red color filter layer, a green color filter layer and a blue color filter layer. The green color filter layer and the backlight module are subject to the following relationship: E=C/D and E?0.8, wherein A is defined as the wavelength corresponding to the maximum peak value of CFGreen(?)×BL(?)×x(?); B is defined as the wavelength corresponding to the maximum peak value of CFGreen(?)×BL(?)×y(?); C is defined as the integral on CFGreen(?)×BL(?)×x(?) over the interval between A and B; D is defined as the integral on CFGreen(?)×BL(?)×y(?) over the interval larger than B, CFGreen(?) is the transmission spectrum of the green color filter layer; and x(?) and y(?) are color matching functions.Type: GrantFiled: March 7, 2008Date of Patent: September 7, 2010Assignee: Au Optronics CorporationInventors: Chun-Chieh Wang, Yu-Hui Chou, Chen-Hsien Liao
-
Publication number: 20100188606Abstract: A display device and a color adjusting method are provided. The display device includes a backlight source and color resists disposed above the backlight source for filtering the light from the backlight source. An intensity spectrum of the backlight source has several segments which includes a first segment having a peak value existing at a wavelength between 515 nm and 535 nm. The color resists have a peak transmittance, which is smaller than 75%, existing at a wavelength between 520 nm and 540 nm. In addition, the transmittance of the color resists is smaller than 0.05% at the wavelength of 730 nm. Since the wavelength ranges in the range mentioned above are correlated, the color resists are capable of adjusting the light from the backlight source to enhance the color saturation.Type: ApplicationFiled: January 21, 2010Publication date: July 29, 2010Inventors: Chun-Chieh WANG, Chun-Liang Lin, Chen-Hsien Liao
-
Publication number: 20100188611Abstract: A high color expression display device and a method for adjusting the displayed color are provided. The display device includes a backlight source, a transmittance adjusting layer, and a display panel for receiving light from the backlight source. The display panel has a color filter disposed above the backlight source. A CIE standard illuminant C test result of the color filter falls into a predetermined scope. In a transmittance spectrum of the transmittance adjusting layer, an average transmittance at wavelength shorter than 495 nm is smaller than that at wavelength greater than 570 nm.Type: ApplicationFiled: January 20, 2010Publication date: July 29, 2010Applicant: AU OPTRONICS CORPORATIONInventors: Chun-Chieh Wang, Chun-Liang Lin, Chen-Hsien Liao