Patents by Inventor Jia Pang

Jia Pang 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: 20060034099
    Abstract: A light guide plate (10) of a preferred embodiment includes a substrate (11) and a refraction layer (12). The substrate includes an incident surface (18) for receiving incident light beams from a corresponding light source, an emitting surface (14), and a bottom surface opposite to each other. A plurality of V-shaped grooves being defined at the emitting surface and at the bottom surface. A side of each V-shaped groove of the bottom surface defines a curved surface, and at least one part of the curved surface is wave-shaped. The refraction layer is on the emitting surface. The light guide plate can improve the utilization of light beams and reduce wastage of light beams.
    Type: Application
    Filed: August 15, 2005
    Publication date: February 16, 2006
    Inventors: Chiu-Lien Yang, Ching-Hung Teng, Jia-Pang Pang
  • Publication number: 20060023149
    Abstract: A continuous domain vertical alignment LCD (4) includes a first substrate (41) and a second substrate (42), liquid crystal molecules (46) interposed therebetween, and a plurality of curved first and second protrusions (411, 421) disposed at insides of the first and second substrate respectively. Each of the first and second protrusions respectively includes a first curve portion (481, 491) having a first substantially rectilinear part (483, 493), and a second curve portion (482, 492) having a second substantially rectilinear part (484, 494). The first curvature parts (481, 491) connect to the second infinite curvature parts (483, 493). The LCD provides a more even display performance at various different viewing angles.
    Type: Application
    Filed: July 5, 2005
    Publication date: February 2, 2006
    Inventors: Tze-Min Lin, Chueh-Ju Chen, Jia-Pang Pang
  • Publication number: 20060007383
    Abstract: A LCD panel (200) includes a first substrate (201) and a second substrate (202) opposite to each other, a liquid crystal layer interposed between the first and second substrates, a sealant (216) disposed between the first and second substrates and surrounding the liquid crystal layer, a plurality of gate lines (208) and data lines (209) perpendicularly formed on the first substrate. Each gate line and each data line define a plurality of overlapping areas overlapped by the sealant. Each overlapping area has at least an opening. In the LCD panel, each gate lines and each data lines have a plurality of openings on the overlapping areas. Thus, ultraviolet light would completely cure the sealant. That is the LCD panel has a high quality display effect.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Inventors: Yun Liu, Kun Hsiao, Yu-Cheng Chang, Tsau-Hua Hsieh, Jia-Pang Pang
  • Publication number: 20050281052
    Abstract: A light guide plate (10) includes a bottom surface (11), a light incident surface (12) adjacent to the bottom surface, a light emitting surface (13) opposite to the bottom surface, and a plurality of V-shaped grooves adjacent to the bottom surface, each of the V-shaped grooves defining two bottom angles (?, ?) and a top line (101), the bottom angles being different. The top line of each V-shaped groove is configured so as to maximize the areas of the interfaces of the V-shaped groove, having regard to the top lines of all the V-shaped grooves also being configured to provide a desired distribution of intensity of light beams that emit from the emitting surface in a desired direction. For example, the configurations of the top lines can be such that a maximum luminance of the light guide plate is at a center region of the light emission surface.
    Type: Application
    Filed: June 20, 2005
    Publication date: December 22, 2005
    Inventors: Ching-Hung Teng, Chiu-Lien Yang, Jia-Pang Pang
  • Publication number: 20050278155
    Abstract: A method of simulation of an exposure system includes the steps of: establishing a model of an exposure system, initializing a computer, and setting relevant parameters of the exposure system in the computer; providing a pattern to be exposed, and analyzing the pattern; using a transform to transfer the pattern, and obtaining a far-field diffraction spectrum of light intensity distribution according to the pattern in a light entrance pupil plane (305) of a lens system (30) of the exposure system; multiplying the far-field diffraction spectrum by a transfer function of the exposure system to obtain an effective diffraction spectrum passing through the exposure system; and using an inverse transform according to said transform to transfer the effective diffraction spectrum, and obtaining a final light intensity distribution. The transform is a Fourier transform, a Laplace transform, a Z transform, or a T transform.
    Type: Application
    Filed: July 9, 2004
    Publication date: December 15, 2005
    Inventors: Chien-Ting Lai, Jia-Pang Pang
  • Publication number: 20050264551
    Abstract: An active-matrix display device (2) includes a substrate (250), a plurality of scanning lines (120) and data lines (140) formed on the substrate, a gate driving IC device (200) with a plurality of outputs for supplying scanning signals to the scanning lines, a source driving IC (400) for supplying data signals to the data lines, a multi-driving circuit (240) connecting with the gate driving IC device. The quantity of outputs of the gate driving IC can be expanded by the multi-driving circuit. This reduces the quantity of gate driving ICs needed, and thus lowers the cost of the active-matrix display device.
    Type: Application
    Filed: May 31, 2005
    Publication date: December 1, 2005
    Inventors: Tsau Hsieh, Jia-Pang Pang
  • Publication number: 20050259207
    Abstract: A reflective type fringe field switching liquid crystal display (FFS LCD) (2) includes an upper and a lower substrates (21, 22) facing each other, and a liquid crystal layer (23) interposed between the upper and lower substrates. A plurality of gate lines (216) and a plurality of data lines (218) are associated with one of the upper and lower substrates, thereby defining a plurality of pixel regions. A common electrode (211) and a plurality of pixel electrodes (212) overlying the common electrode are disposed in the pixel regions in order to form at least one fringe electric field. At least one of the pixel electrodes in each pixel region has a bent portion in order to establish an electric field in at least two directions between the pixel electrodes and the common electrode in the pixel region. Accordingly, the reflective FFS LCD has a high quality, reliable display.
    Type: Application
    Filed: May 23, 2005
    Publication date: November 24, 2005
    Inventors: Chiu-Lien Yang, Jia-Pang Pang
  • Publication number: 20050255390
    Abstract: A photomask for manufacturing a reflective bump includes a plurality of patterns, each of which includes a light-transmitting portion meshed with a light-shielding portion, one of the light-transmitting portion and the light-shielding portion being a block area, and including a plurality of protrusions arranged at one side thereof that adjoins the other of the light-transmitting portion and the light-shielding portion, the protrusions being arranged in a plane of the photomask.
    Type: Application
    Filed: May 16, 2005
    Publication date: November 17, 2005
    Inventors: Chien-Ting Lai, Jia-Pang Pang, Yung-Chang Chen
  • Publication number: 20050243574
    Abstract: A light guide plate (10) of a preferred embodiment includes: an incident surface (12) for receiving incident light beams from a corresponding light source; an emitting surface (16); and a bottom surface (11) opposite to the emitting surface. The bottom surface defines a plurality of V-shaped grooves. A side (17) of each V-shaped groove is a curved surface, and at least one part of the curved surface is wave-shaped. The light guide plate can improve the utilization of light beams, reduce wastage of light beams and configure the uniformity of luminance.
    Type: Application
    Filed: May 2, 2005
    Publication date: November 3, 2005
    Inventors: Ching-Hung Teng, Chiu-Lien Yang, Jia-Pang Pang
  • Publication number: 20050243251
    Abstract: A transflective liquid crystal display (2) includes a transparent upper substrate (100), a lower substrate (200) opposite to the upper substrate, a liquid crystal layer (300) sandwiched between the two substrates, gate lines (170) and data lines (180) defining pixel units arranged in a matrix, pixel electrodes (210) and common electrodes (220) associated with one of the substrates to each pixel unit of one of the substrates, a transflective layer (250) formed at one side of one of the substrates. The pixel electrodes and the common electrodes have the same bent form, are disposed alternately, and are substantially parallel to each other. When a voltage is applied on the electrodes, an electric field in two directions is generated. Liquid crystal molecules of the liquid crystal layer are oriented in two directions in accordance with the electric field. Therefore, color shift is reduced.
    Type: Application
    Filed: May 2, 2005
    Publication date: November 3, 2005
    Inventors: Chiu-Lien Yang, Jia-Pang Pang, Chueh-Ju Chen
  • Publication number: 20050243256
    Abstract: A fringe field switching liquid crystal display device (200) includes: a first and a second substrates (210, 230) disposed opposite to each other and spaced apart a predetermined distance; a liquid crystal layer (250) interposed between the first and second substrates; a plurality of gate lines (270) and data lines (280) formed on the second substrate, thereby defining a plurality of pixel regions; a plurality of pixel electrodes (233) and a plate-like common electrode (231) provided in each of the pixel regions; and at least an alignment film (214, 234) disposed at one of the substrates adjacent to the liquid crystal layer. The alignment film defines two aligning directions in each pixel region. Liquid crystal molecules in the FFS-LCD device are aligned in different aligning directions as induced by the alignment films, so as to reduce color shift.
    Type: Application
    Filed: May 2, 2005
    Publication date: November 3, 2005
    Inventors: Chiu-Lien Yang, Jia-Pang Pang
  • Publication number: 20050237448
    Abstract: A preferred method for manufacturing a color filter includes the steps of: providing a color filter substrate (60) and forming a black matrix (31) on the substrate by using a patterned mask (21); providing another three patterned masks (23, 25, 27) and respectively forming three kinds of interferential layers (33, 35, 37) for separately displaying red, green and blue. The materials of the deposited films of the preferred method as described are metal-oxide materials, which improve the heat resistance and color reproduction of the color filter. Further, such materials decrease the time needed to perform the entire process, because the thickness and quantity of the deposited films can be readily controlled based on the optical simulation data obtained beforehand.
    Type: Application
    Filed: April 20, 2005
    Publication date: October 27, 2005
    Inventors: Mei Ling Wu, Sheng-Shiou Yeh, Jia-Pang Pang
  • Publication number: 20050237449
    Abstract: A color filter includes a plurality of pixels, each of which includes a red, a green, and a blue sub-pixel alternately arranged in a first direction, edges of the red, green, and blue sub-pixels having bent portions. The sub-pixels of a same color are continuously arranged in a second direction being substantially perpendicular to the first direction. Displaying color images of a liquid crystal display using the color filter may be better than that of the liquid crystal display using the typical color filters. The yield ratio in mass production of the liquid crystal display using the color filter is lower than that of the liquid crystal display using the typical color filters. In addition, a liquid crystal display using the color filter is disclosed.
    Type: Application
    Filed: April 20, 2005
    Publication date: October 27, 2005
    Inventors: Mei Wu, Sheng-shiou Yeh, Jia-Pang Pang
  • Publication number: 20050231664
    Abstract: A transflective liquid crystal display (2) has a first substrate (21), a second substrate (210) opposite to the first substrate, an alignment means (23, 231) provided on respective opposing surface of the first and second substrates, and a liquid crystal layer (20) sandwiched between the first and second substrates. The liquid crystal molecules of the liquid crystal layer have two different orientations respectively corresponding to a transmission display region (20a) and a reflection display region (20b). Furthermore, the transflective liquid crystal display has two different thicknesses respectively corresponding to the reflection region and the transmission region.
    Type: Application
    Filed: April 20, 2005
    Publication date: October 20, 2005
    Inventors: Chiu-Lien Yang, Chueh-Ju Chen, Jia-Pang Pang
  • Publication number: 20050231676
    Abstract: A fringe field switching liquid crystal display (FFS-LCD) device (200) includes a first substrate (210) and a second substrate (220) disposed opposite to each other and spaced apart a predetermined distance, a liquid crystal layer (250) interposed between the first and second substrates, a plurality of gate lines (233) and data lines (234) formed on the second substrates, thereby defining a plurality of pixel regions, and a plurality of pixel electrodes (223) and a plate-like common electrode (221) provided in each of the pixel regions. The pixel electrodes have a plurality of curving comb portions so as to generate a continuous variation electric field between the pixel and common electrodes. Liquid crystal molecules in the FFS-LCD device are twisted in different continuous directions so as to reduce the color shift.
    Type: Application
    Filed: April 20, 2005
    Publication date: October 20, 2005
    Inventors: Tze-Min Lin, Chiu-Lien Yang, Chueh-Ju Chen, Jia-Pang Pang
  • Publication number: 20050230753
    Abstract: An LTPS TFT substrate includes an insulated substrate and a poly-silicon film formed on the insulated substrate. The poly-silicon film includes a driving circuit area and a display area. The driving circuit area includes a plurality of driving circuits. The display area includes a plurality of pixel units. The driving circuit area and the display area are separately fabricated. This approach reduces the impediment to uniformity that is caused by the process variety, and thus improves the yield rate and reduces production costs.
    Type: Application
    Filed: April 18, 2005
    Publication date: October 20, 2005
    Inventors: Tsau Hsieh, Jia-Pang Pang
  • Publication number: 20050219455
    Abstract: A liquid crystal display panel (3) includes: a first substrate (300) and a second substrate (350) opposite to each other, the second substrate defining a display area (3502) and a peripheral area (3501); a liquid crystal layer containing a plurality of liquid crystal molecules (303) disposed between the first and second substrates; a sealant (310) associated with the peripheral area for supporting and adhering the first and second substrates together; and an isolating member (360) isolating the sealant from the liquid crystal layer. The isolating member of the liquid crystal display panel is located between the liquid crystal molecules and the sealant. This prevents the liquid crystal from reacting with uncured sealant, and thus improves the performance of the liquid crystal display panel.
    Type: Application
    Filed: March 31, 2005
    Publication date: October 6, 2005
    Inventors: Tsau Hsieh, Jia-Pang Pang
  • Publication number: 20050219442
    Abstract: A color filter on array mode liquid crystal display (100) includes a first substrate (110) and a second substrate (120) disposed opposite each other and spaced apart a predetermined distance, and a liquid crystal layer (130) interposed between the first substrate and the second substrate. A thin film transistor array (111), a color filter layer (112), and a plurality of pixel electrodes (114) are formed on the first substrate. A common electrode (124) is formed on the second substrate. A first polarizer (142) and a second polarizer (144) are positioned at the first substrate and the second substrate, respectively. The first polarizer is an extraordinary type polarizer. Therefore a good contrast ratio over wide viewing angles is achieved. In addition, the polarizers are made of a modified organic dye material which exists in a liquid-crystalline phase. Therefore the liquid crystal display can be applied in high temperature environments.
    Type: Application
    Filed: December 31, 2004
    Publication date: October 6, 2005
    Inventors: Chiu-Lien Yang, Sheng-Shiou Yeh, Jia-Pang Pang
  • Publication number: 20050212999
    Abstract: A reflective type IPS LCD includes a transparent upper substrate (100) and a lower substrate (200), and liquid crystal molecules (300) interposed between the substrates. A reflection layer (250) is disposed on the lower substrate. A plurality of gate lines (170) and a plurality of data lines (180) are formed on the upper substrate, thereby defining a plurality of pixel regions arranged in a matrix. Each pixel region includes pixel electrodes (210) and common electrodes (220). The pixel electrodes and the common electrodes have a bent configuration, and are spaced apart from each other. Therefore the electric field generated by them is along two directions, and the LCD exhibits a two-domain display effect. When viewing the LCD display from any oblique angle, the color shifts generated by the two domains counteract, and thus the overall color shift of the display is small.
    Type: Application
    Filed: December 31, 2004
    Publication date: September 29, 2005
    Inventors: Chiu-Lien Yang, Jia-Pang Pang, Chueh-Ju Chen
  • Publication number: 20050206826
    Abstract: An IPS liquid crystal display (200) of a preferred embodiment of the present invention includes a first substrate (201), a second substrate (202), and liquid crystal molecules interposed therebetween. A plurality of gate lines (211) and data lines (212) are formed at the first substrate, thereby defining a plurality of pixel regions. A pixel electrode (233), a common electrode (243) and a TFT (220) are provided in each pixel region, the pixel electrode and the common electrode having a same curved shape. Because the pixel and common electrodes of have a same curved shape with smooth bends, when a voltage is applied, disclination of the liquid crystal molecules does not occur, and the contrast ratio of the IPS LCD is unimpaired. Furthermore, the electric field generated by them is a smooth continuum of multiple domains, and the IPS LCD provides equally fine visual performance at various different viewing angles.
    Type: Application
    Filed: March 21, 2005
    Publication date: September 22, 2005
    Inventors: Chiu-Lien Yang, Jia-Pang Pang