Patent application number | Description | Published |
20120314149 | PIXEL UNIT AND LIQUID CRYSTAL DISPLAY PANEL - The present invention discloses a pixel unit and has: a gate line; a source line; a drain line; an active element electrically connected to the gate line, the source line and the drain line; a pixel electrode including a main trunk and multiple stripped electrodes, and the main trunk is electrically connected to the drain line, the main trunk has a first predetermined angle with respect to a first polarization axis or a second polarization axis, and the main trunk at least has two segments, an end of each of the strip electrodes is connected to the main trunk and each of the strip electrodes has a second predetermined angle with respect to the main trunk. The present invention further discloses a liquid crystal display panel. | 12-13-2012 |
20130021315 | LCD DEVICE AND SIGNAL DRIVING METHOD THEREOF - The present invention discloses an LCD device. The LCD device employs pre-charging within a frame accompanying high and low levels signal of array common lines. Each pixel is charged a high voltage before writing into a correct data signal, that is, the over driving is performed before the correct data signal is written into the pixel. The present invention also discloses a signal driving method for the LCD device. Compared with the prior art, the frame buffer is not required in the present invention on one hand; the over driving can be performed without complex timing functions on another hand; and the incorrect twist angles of the liquid crystals which are driven instantaneously can be significantly avoided when using the conventional over driving by a look-up table for comparing two sequential image signals. | 01-24-2013 |
20130021321 | LCD device and a related driving method - The present invention proposes a LCD device and a driving method thereof. Before required data voltage is applied on each pixel, each pixel is pre-charged to a high voltage level by adjusting outputted voltage level of a common line, thereby over-driving each pixel. The present invention also discloses a method of driving a LCD device. The present invention does not need the frame buffer such that the cost is reduced. Furthermore, a complicated timing function is not required to perform the over-driving operation. Moreover, the liquid crystal molecules of the pixels are not instantly driven to rotate through an incorrect angle if a prior art method of looking up tables to perform the over-driving operation. | 01-24-2013 |
20130026474 | STORAGE CAPACITOR ARCHITECTURE FOR PIXEL STRUCTURE AND MANUFACTURING METHOD THEREOF - A storage capacitor architecture for pixel structure and manufacturing method thereof are described. The storage capacitor architecture includes a substrate, a first electrode, an insulating layer and a second electrode. The first electrode has a first concave and convex structure. The insulating layer is disposed on the first concave and convex structure of the first electrode. The second electrode is disposed on the insulating layer and has a second concave and convex structure. The first concave and convex structure and the second concave and convex structure form an interdigitated space and the insulating layer is disposed in the interdigitated space to solve the problem of decreased aperture ratio of the LCD panel. | 01-31-2013 |
20130033481 | LCD DEVICE AND DRIVING METHOD THEREOF - The present invention discloses an LCD device. The LCD device charges each pixel with a high voltage before writing into a correct data signal, that is, an over driving is performed before the correct data signal is written into the pixel. The present invention also discloses a driving method for the LCD device. Compared with the prior art, the frame buffer is not required in the present invention on one hand; the over driving can be performed without complex timing functions on another hand; and the incorrect twist angles of the liquid crystals which are driven instantaneously can be significantly avoided when using the conventional over driving by a look-up table for comparing two sequential image signals. | 02-07-2013 |
20130038517 | TFT PIXEL UNIT - The present invention discloses a TFT pixel unit having a scan line, a first isolation layer, a data line, a source section, a semiconductor layer, a drain section and a pixel electrode. The first isolation layer is mounted on the scan line and covers an inner surface of the scan line. The data line and the scan line are isolatedly crossed with each other and define a pixel area. The drain section extends from a side of the data line and disposed on the first isolation layer. The semiconductor layer is mounted on a top surface of the drain section. The source section is mounted on a top surface of the semiconductor layer. The drain section, the semiconductor layer and the source section are adjacent to the inner surface of the scan line. The pixel electrode is mounted in the pixel area and connected to the source section. The date line, the drain section, the semiconductor layer and the source section construct a TFT switch having a vertically-stacked structure, which reduces the loss of aperture ratio. | 02-14-2013 |
20130044142 | METHOD OF DRIVING A PIXEL AND A SYSTEM FOR THE SAME - The present invention provides a method of driving pixels of an LCD including step (S | 02-21-2013 |
20130050595 | Liquid Crystal Lens and 3D Display Device - The present invention discloses a liquid crystal lens and a 3D display device thereof, said liquid crystal lens comprises a lower layer basal plate provided with an electrode and an upper layer basal plate provided with a counter electrode, the lower layer basal plate and the upper layer basal plate are mutually and oppositely arranged, and said electrode and the counter electrode are mutually insulated to form an electric field; and a liquid crystal layer arranged between said lower layer basal plate and the upper layer basal plate; the liquid crystals are vertical negative nematic LCs; the electrode of said lower layer basal plate or the counter electrode of said upper layer basal plate is provided with concave curved structures which make the distance between the electrode and the counter electrode smaller. Because the liquid crystal lens is provided with concave curved structures which can make the distance between the electrode and the counter electrode smaller, the field intensity in the electric field has gradience variation and the tilting angle of the liquid crystal molecules in the liquid crystal layer is also in gradience variation under the action of the electric field; therefore, the liquid crystal layer produces the refractive index in gradience variation; and the liquid crystal lens of which the refractive index is in gradience variation is formed and applied to the LCD to achieve the 3D display effect. | 02-28-2013 |
20130050629 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display panel and a display apparatus using the same. The liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode. The second electrode includes a plurality of elongated electrode elements, and the elongated electrode elements have at least two different arrangement pitches. The liquid crystal display panel is applicable to the display apparatus. The invention can improve the color shift problem of the liquid crystal display panel. | 02-28-2013 |
20130093798 | LIQUID CRYSTAL DISPLAY DEVICE AND SIGNAL DRIVING METHOD FOR THE SAME - The present invention provides a liquid crystal display (LCD) device. By means of pre-charging in one frame and cooperating with the high or low signals of an array of the common lines, the LCD device can utilize a high voltage to pre-charge the pixels before writing correct gray scale signals into the pixels, i.e. executing an over-driving before writing the correct gray scale signals into the pixels. The present invention further provides a signal driving method for the LCD device. In comparison with the conventional technology, a frame buffer is not required for the present invention, thereby saving the cost. In addition, a complicated timing function is not required to the present invention for over-driving. | 04-18-2013 |
20130107177 | SELF-FOCUSING LIQUID CRYSTAL CELL AND CORRESPONDING LCD | 05-02-2013 |
20130120363 | Operation Method of Shutter Glasses Based 3D Display Device - The present invention relates to an operation method of shutter glasses based 3D display device, which alternatively supplies left-eye and right-eye frame signals to a liquid crystal panel to drive the liquid crystal panel to respectively form left-eye and right-eye images, which cooperate with illumination of a scanning back light unit and timing control of the shutter glasses to simulate left and right eyes respectively with left-eye and right-eye signals for perception of a 3D image, wherein in a period of a current frame signal, duty time of each of blocks of the back light unit is located between the time when liquid crystal corresponding to the block completely responds after being driven by the current frame signal and the time when the liquid crystal corresponding to the block starts to respond as being driven by a subsequent frame signal. The operation method of shutter glasses based 3D display device according to the present invention alleviates after image caused by crosstalk between left and right eyes, compensates the reduction of luminance caused by shortening the duty time of each block of the back light unit, and thus achieves the purpose of saving energy. | 05-16-2013 |
20130120545 | Operation Method of Shutter Glasses Based 3D Display Device - The present invention relates to an operation method of shutter glasses based 3D display device, which alternatively supplies left-eye and right-eye frame signals to a liquid crystal panel to drive the liquid crystal panel, which cooperate with illumination of a scanning back light unit and timing control of the shutter glasses to simulate left and right eyes respectively with left-eye and right-eye signals for perception of a 3D image, wherein in a period of a current frame signal, duty time of each of blocks of the back light unit is located between the time when liquid crystal corresponding to the block completely responds after being driven by the current frame signal and the time when the liquid crystal corresponding to the block starts to respond as being driven by a subsequent frame signal, and the duty time of each of the blocks is divided into duty | 05-16-2013 |
20130135557 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident side and enter into the light guide plate, and the a light direction changing layer is positioned at the incident side, and the light direction changing layer is employed for changing progress directions of the lights entering the incident side to shorten a distance perpendicular to the incident side from an intersection point of the lights emitted by adjacent light sources to the light sources. The present invention also discloses a liquid crystal display. | 05-30-2013 |
20130141401 | DRIVING CIRCUIT OF LCD AND DRIVING METHOD THEREOF - The present invention relates a driving circuit of an LCD which includes a panel and a plurality of data lines. The driving circuit of the LCD includes: a receiving module for receiving electric signals corresponding to the data lines at each position of the panel; a compensation module for compensating the electric signals according to transmission paths corresponding to the electric signals and a predetermined mapping table; and an output module for outputting the compensated electric signals to the display panel for displaying. The present invention further relates a driving method of the LCD. The driving circuit of the LCD and the driving method thereof can perform modulation compensation for the electric signals that are outputted form a chip to the data lines at each position of the panel. | 06-06-2013 |
20130155091 | Color Adjustment Device, Method for Adjusting Color and Display for the Same - The present invention provides a color adjustment device, a method of adjusting color and a display device for the same. In the beginning, it measures a plurality of tristimulus sets at various white grayscales on a LCD panel, converts the multiple tristimulus sets into a plurality of chromatic sets (x | 06-20-2013 |
20130155121 | WHITE BALANCE ADJUSTING METHOD - The invention relates to a white balance adjusting method, which includes steps of: obtaining the maximum and minimum spectral tristimulus values X | 06-20-2013 |
20130201224 | WHITE BALANCE ADJUSTING METHOD - A white balance adjusting method is disclosed. The white balance adjusting method includes obtaining maximum spectral tristimulus values, minimum spectral tristimulus values and spectral tristimulus values of respective gray levels of a red color, a green color and a blue color; computing spectral tristimulus values Y of the middle respective gray levels; setting a chromaticity and setting polynomial functions which varied based on the gray levels in the spectral tristimulus values; establishing relationships between the spectral tristimulus values of three colors in a white field and the polynomial functions of spectral tristimulus values of a color field; utilizing an approximation method to obtain gray level numbers in the white field. In the present invention, since brightness exponentially varies with the gray level, the chromaticity of a white color dot is set to adjust the white field. | 08-08-2013 |
20140204318 | LCD DEVICE AND METHOD FOR ARRANGING POLARIZERS OF THE LCD DEVICE - A liquid crystal display (LCD) device includes an LCD panel, a first polarizer arranged on a first side of the LCD panel, a second polarizer arranged on a second side of the LCD panel, and a λ/2 wave plate arranged between the first polarizer and the second polarizer. | 07-24-2014 |
20150062496 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and quarter wave (λ/4) retarder films. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there are a first angle and a second angle between the trunk portion and the branch portions. The first angle is of 45 degrees, and the second angle is less than or greater than 45 degrees. The λ/4 retarder films are bonded to outer surfaces of the first substrate and the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel. | 03-05-2015 |
20150070623 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. In first pixel regions on a second substrate, there is a first predetermined angle between a trunk portion and branch portions. In second pixel regions, there is a second predetermined angle between the trunk portion and the branch portions. The first and second predetermined angles are different from each other. A half wave pattern retarder film is bonded to an outer surface of a first substrate or the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel. | 03-12-2015 |
20150070632 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and quarter wave (λ/4) pattern retarder films. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises main pixel regions and sub-pixel regions. The λ/4 pattern retarder films are disposed between the first substrate and a first polarizer, and between the second substrate and a second polarizer, respectively. The present invention can improve the color shift problem and the transmittance of the LCD panel. | 03-12-2015 |
20150077683 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and a half wave (λ/2) retarder film. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there is a predetermined angle between the trunk portion and the branch portions, and the predetermined angle is less than or greater than 45 degrees. The λ/2 retarder film is bonded to an outer surface of the first substrate or the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel. | 03-19-2015 |
20150085228 | LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY APPARATUS USING THE SAME - The present invention provides a liquid crystal display (LCD) panel and a display apparatus using the same. The LCD panel comprises a first substrate, a second substrate, a liquid crystal layer and quarter wave (λ/4) retarder films. The liquid crystal layer is formed between the first substrate and the second substrate. The second substrate comprises a second electrode, wherein the second electrode comprises a trunk portion and plurality of branch portions, and there is a predetermined angle between the trunk portion and the branch portions, and the predetermined angle is less than or greater than 45 degrees. The λ/4 retarder films are bonded to outer surfaces of the first substrate and the second substrate. The present invention can improve the color shift problem and the transmittance of the LCD panel. | 03-26-2015 |