30results about How to "Avoid dark lines" patented technology

The present invention relates to back light unit light guide plate composing picture on surface in laser picture composition mode, the picture composition mode can control the picture composition curved deep profile line. The invention concretely relates to a light guide plate of picture formed with the picture composition mode, according to the picture composition mode, deepness of the picture varies with distance to the light source when composing picture on the light guide plate, such that the reflection of light of light-in section is minimized in range of standard value, therefore the light source is transmitted to the back light section with minimized loss.

The invention provides a pixel electrode which comprises a closed frame electrode, wherein outer parts of at least one pair of opposite edges of the frame electrode have a zigzag structure; and an extending direction of tooth space of the zigzag structure is parallel to and consistent with an extending direction of corresponding branch electrodes of the pixel electrode. In this way, in an area corresponding to the frame electrode, liquid crystal can be poured along the direction of the branch electrodes just like that the liquid crystal is poured in the inner side area of the frame electrode, so that dark fringes appearing in the area corresponding to the frame electrode can be avoided. When the pixel electrode is applied to an HVA type liquid crystal display panel, a penetration rate and luminance of the liquid crystal display panel can be effectively increased, and thus display effects can be improved.

The invention provides a TFT array substrate structure. The TFT array substrate structure comprises a plurality of sub-pixels (4) arranged corresponding to black arrays (2). Each sub-pixel (4) comprises primary areas (42) and secondary areas (44) arranged corresponding to the corresponding black arrays (2). A data line (6) is arranged between every two adjacent sub-pixels. A grid scanning line (8) is arranged between each primary area (42) and the corresponding secondary area (44). A pixel electrode trunk (10) is arranged between every two adjacent sub-pixels (4). Pixel electrode branches (12) are arranged on the primary areas (42) and the secondary areas (44) of every two adjacent sub-pixels (4) respectively. The pixel electrode branches (12) are electrically connected with the pixel electrode trunks (10) respectively. When relative displacement happens to the TFT array substrate structure in the bending process of a liquid crystal display panel, the pixel electrode branches (10) are still in the areas covered by the black arrays, the influences on the electric field are extremely small, the electrical properties can be effectively increased, dark fringes are avoided, and therefore quality of the liquid crystal display panel is improved.

The invention discloses a liquid crystal display device. The liquid crystal display device comprises a TFT array substrate, and further comprises a back matrix, photo spacers, a CF substrate and a liquid crystal layer, wherein the TFT array substrate is provided with a first electrode layer and a first alignment layer covering the first electrode layer, a colorful film layer is formed between a glass substrate and a passivation layer of the TFT array substrate, the CF substrate is provided with a second electrode layer and a second alignment layer covering the second electrode layer, the liquid crystal layer is arranged between the first alignment layer of the TFT array substrate and the second alignment layer of the CF substrate, the preset alignment directions of the corresponding alignment areas of the first alignment layer and the second alignment layer are perpendicular to each other, and alignment films corresponding to the preset alignment directions of the alignment areas are formed on the first alignment layer and the second alignment layer. The invention further discloses a manufacturing method of the liquid crystal display device. According to the liquid crystal display device and the manufacturing method of the liquid crystal display device, the alignment effect is good, meanwhile, the large-visual-angle color cast can be improved, and the aperture opening ratio is improved.

The invention provides a gap eliminating device which comprises a first optical module arranged in front of a display area and a second optical module arranged in front of a frame area and corresponding to the first optical module. The first optical module and the second optical module are consistent to the frame area in width and comprise multiple first defection parts. The light emergence faces of the first defection parts are columnar faces. The gap eliminating device further comprises a first optical module arranged in front of the display area and a fourth optical module arranged in front of the frame area and corresponding to the third optical module. The widths of the third optical module and the fourth optical module are consistent to the total width of an adjacent splicing frame area, and the third optical module and the fourth optical module comprise multiple second defection part. The light emergence faces of the defection parts are planes. By adopting the gap eliminating device, smooth transition between emergence light of the frame area and emergence light of the display area can be achieved, and the display effect is enhanced.

The invention provides an LED display panel and an LED display, the LED display panel comprises a display backboard provided with an LED array, and the LED array comprises LED chips arranged side by side; the LED chips comprise vertical emitting type light-emitting chips and inclined emitting type light-emitting chips. The vertical emitting type light-emitting chip is arranged in the LED array, and the orientation of main light emitted by the vertical emitting type light-emitting chip is perpendicular to the direction of the display backboard; the inclined emitting type light-emitting chip isarranged in the edge of the LED array , and main light emitted by the inclined emitting type light-emitting chip faces the direction far away from the geometric center of the display backboard. The vertical emitting type light-emitting chip is arranged in the LED array; the inclined emergent light-emitting chip is arranged in the edge of the LED array, the main light rays which are emitted by theinclined emitting type light-emitting chips and face the direction far away from the geometric center of the display back plate form a light condensation effect between the adjacent LED display panels, so that dark fringes are prevented from being generated between the adjacent LED display panels, and the overall display effect is improved.

The invention discloses a liquid crystal panel, a liquid crystal display and a voltage compensation method of the liquid crystal panel. The liquid crystal panel comprises an array substrate, a reference voltage generator and a compensation voltage generator, wherein a signal line and a compensation line are arranged on the array substrate; the signal line comprises a first break line and a second break line; one end of the second break line is connected with one end of the compensation line; the reference voltage generator is used for transmitting a reference voltage signal; one end of the first break line is connected with the reference voltage generator so as to transmit the reference voltage signal; an interval is arranged between the other end of the first break line and the other end of the second break line so as to form a break line; the compensation voltage generator is used for transmitting a compensation voltage signal; the other end of the compensation line is connected with the compensation voltage generator so as to transmit the compensation voltage signal to the second break line; and the compensation voltage signal is greater than the reference voltage signal. By adopting the liquid crystal panel, dark lines can be avoided, and a screen can be normally displayed.

The invention discloses an array substrate, a preparation method thereof and a display device. The array substrate comprises: a substrate, wherein the substrate comprises a display area and an edge area, the edge area comprises a cutting reserved area and a binding area, and the binding area is located between the display area and the cutting reserved area; a planarization layer located on the display area and the edge area, wherein the planarization layer exposes the cutting reserved area and the binding area; an electrode spacer which is positioned on a part of the cutting reserved area andis in contact with the planarization layer; an electrode layer located on the display area and located on the surface of the side, deviating from the underlayer substrate, of the planarization layer;and a plurality of binding connecting wires electrically connected with the binding area, wherein the binding connecting wires extend from the binding area to the cutting reserved area along the top surface of the planarization layer. The electrode spacer is arranged on the cutting reserved area between the adjacent binding connecting wires. According to the array substrate, dark lines in the display area can be avoided.

The invention discloses an array substrate and a liquid crystal display device, the array substrate comprises a plurality of scanning lines arranged in the horizontal direction, a plurality of data lines arranged in the vertical direction and a plurality of pixel units arranged in an array; and any pixel unit comprises a pixel electrode comprising a main area pixel electrode and a secondary area pixel electrode; and a thin film transistor comprising a first thin film transistor for controlling the main area pixel electrode and a second thin film transistor for controlling the secondary area pixel electrode, wherein the main area pixel electrode and the secondary area pixel electrode are arranged on the same side of the first thin film transistor and the second thin film transistor. Throughthe design, the aperture opening ratio of the pixel area can be effectively improved.

The light from the first light source is incident on the reflective surface (13a) of the reflective mixing member (13), and the light from the second light source is incident on the reflective surface (13b). The relationship between the spacing Wp between the part (three corrugated column parts) formed by the reflection surface (13a) and the reflection surface (13b) in the reflection mixing part (13) and the lens spacing Wf is: (Wp / Wf≠1 ). Therefore, light beams with different distributions are incident on each lens portion of the fly-eye lens (14a), thereby preventing uneven brightness of light incident on the liquid crystal display panel (5), and simultaneously preventing color unevenness on the screen.

The invention discloses a polarity-reversal compensation method, device and a liquid crystal display, relates to the technical field of display, and aims at solving the problem that the display effect is poor caused by obvious bright lines and dark lines appearing on a screen of the liquid crystal display. The polarity-reversal compensation method comprises the steps that a data signal corresponding to a reversal pixel row is obtained, and the ascent stage and the descent stage of the data signal is obtained according to the data signal; a vertical pulse clock signal and an output enable signal are set according to the ascent stage and the descent stage of the data signal to enable a scanning signal corresponding the reversal pixel row to be started after the ascent stage or the descent stage of the data signal is finished. The polarity-reversal compensation method is applied to a polarity-reversal compensation device, and the liquid crystal display comprises the polarity-reversal compensation device mentioned in the technical scheme. The polarity-reversal compensation method is used for driving the liquid crystal display to conduct polarity-reversal.

The invention discloses a liquid crystal display panel. The display panel comprises an array substrate and a color film substrate, and each pixel unit on the array substrate comprises a thin film transistor layer and a pixel electrode located on the thin film transistor layer. The pixel electrodes comprise a first pixel electrode and a second pixel electrode, and a spacer region is arranged between the first pixel electrode and the second pixel electrode, therefore, the influence of an electric field between the edge area of the first pixel electrode and the common electrode and an electric field between the edge area of the second pixel electrode and the common electrode on the liquid crystal at the interval area is reduced, and dark fringes generated at the interval area due to large-angle toppling of the liquid crystal at the interval area under the action of the electric fields are prevented.

An embodiment of the invention provides an OLED display panel and a production method and testing method thereof and relates to the technical field of display. By the production method, circuit scratching during the production of the OLED display panel can be avoided. The OLED display panel comprises an array substrate and an encapsulation cover plate, wherein the array substrate comprises a display area and a peripheral wiring area; the peripheral wiring area comprises circuits arranged at the edge of the array substrate and conductive adhesive strips arranged above the circuits; the conductive adhesive strips extend along the direction of the edge close to the display area; the conductive adhesive strips are conductive in a Z direction and non-conductive on an X plane and a Y plane; the Z direction is vertical to the substrate of the array substrate. The OLED display panel is used for an OLED display device.

The invention discloses an LCD apparatus and a backlight device. The backlight device comprises a shell body; optical diaphragms and transmission sheets are arranged in the shell body; more than one light emitting unit is arranged between the optical diaphragms and the transmission sheets in the shell body; first printed circuit boards are arranged between the adjacent light emitting units; more than one first light emitting source is arranged on the first printed circuit boards; diffuser sheets covering the areas between the light emitting units are arranged above the first light emitting sources and are fixed on the shell body through a transparent support column; each light emitting unit comprises a light guide plate; a second printed circuit board is arranged on a first side of the light guide plate below the diffuser sheets; more than one second light emitting source is arranged between the second printed board and the light guide board; a third printed circuit board is arranged on the second side of the light guide board corresponding to the first side; and more than one third light emitting source is arranged between the third printed circuit board and the light guide board. The backlight device disclosed by the invention is applicable to large size LCD apparatuses and is thin.

The invention provides a pixel structure and a liquid crystal panel. The pixel structure comprises a pixel electrode, the pixel electrode comprises a main electrode, a branch electrode connected withthe main electrode and a sealing electrode surrounding the main electrode and the branch electrode, and at least one end of the main electrode and at least one end of the branch electrode are connected with the sealing electrode; a notch electrode is formed on the long side of the sealing electrode, extends into the pixel structure and divides the pixel electrode into at least two pixel subareas,so that one original pixel subarea is changed into a plurality of pixel subareas, the length-width ratio of the pixel subareas is reduced by utilizing a notch, a transverse main electrode is added inthe divided pixel subareas, the divided pixel subareas are divided into a plurality of pixel domains, the length of the branch electrode is shortened, the impedance of the pixel electrode is reduced,and the compensation capacity of the liquid crystal driving signal is improved, so that dark fringe abnormity of the whole pixel structure is avoided, and the display quality of the pixel structure isimproved.

The invention discloses a liquid crystal display device and a pixel structure thereof. The pixel structure includes a first upper electrode, a first transistor, a second upper electrode, and a second transistor. The first upper electrode has a first pattern having a first end and a second end which are opposite to each other and at least one first slit. The first transistor is adjacent to the first end. The second upper electrode has a second pattern having a third end and a fourth end which are opposite to each other and at least one second slit. The third end is adjacent to the second end, and the fourth end is away from the second end. The second transistor is arranged between the second end and the third end. A mirror pattern generated by the second pattern of the second upper electrode according to a Y axis of an X-Y coordinate system is identical to the first pattern of the first upper electrode, and an X axis of the X-Y coordinate system is corresponding to the extension direction of a scanning line of the liquid crystal display device. Accordingly, the liquid crystal display device can avoid dark fringes.

The invention discloses a gate drive circuit, which includes a drive circuit connected by a plurality of shift register units. The drive circuit includes a photocoupler and a photocoupler driver. The coupler is a fast type, which controls the high-frequency switching operation. The primary side of the optocoupler has a current-limiting resistor in series, and the voltage is directly applied to the input side; Step 2: Adopt a dual power supply drive structure, and integrate an optocoupler with high isolation voltage and Overcurrent protection circuit; step 3: overcurrent protection output signal terminal and input interface compatible with TTL level, the maximum delay of the driving electrical signal is 1.5u; step 4: in the gate drive circuit, located in the photocoupler The nearest shift register unit performs gate row drive scanning; step 5: in the gate drive circuit, the nearest shift register unit located in the photocoupler performs gate row drive scan; step 6: for steps 4 and 5 scan results in .

The present invention provides a pixel electrode, the pixel electrode has a closed frame electrode, and the outside of at least one pair of opposite sides of the frame electrode has a zigzag structure, and the extension direction of the tooth grooves of the zigzag structure corresponds to the The extension directions of the branch electrodes are parallel and consistent, so that in the area corresponding to the frame electrode, the liquid crystal can be poured along the direction of the branch electrode as in the inner area of ​​the frame electrode, so as to avoid dark lines in the area corresponding to the frame electrode. The pixel electrode is applied to the HVA liquid crystal display panel, which can effectively increase the transmittance and brightness of the liquid crystal display panel, thereby improving the display effect.

The invention discloses a pixel array substrate, a liquid crystal display (LCD) device and a driving method thereof. The pixel array substrate is provided with a plurality of pixel regions, a black matrix, a plurality of first pixel electrodes and a plurality of second pixel electrodes, wherein each pixel region is divided into three pixel subregions; the black matrix is provided with a plurality of openings, and each opening exposes one pixel region; each first pixel electrode is arranged in one pixel subregion between every two pixel subregions in each pixel region, and the first pixel electrodes are arranged in an intersected shape; the second pixel electrodes are provided with two half intersected parts and a connecting branch for connecting with the two half intersected parts; the two half intersected parts are respectively arranged in the two pixel subregions at the two sides of each pixel region; and the trunk of the edge in parallel to the opening in the half intersected part overlaps the black matrix. The invention can solve the defects of reduced luminance, reduced contrast ratio and striped picture caused by the traditional low color cast design.

The invention discloses a leveling mechanism and a spliced screen; wherein the leveling mechanism comprises a first splicing part, and a second splicing part which is connected to the first splicing part, wherein at least one of the first splicing part and the second splicing part is provided with a communicating part, the communicating part extends in the direction from the back side of the leveling mechanism to the front side of the leveling mechanism, the side, opposite to the front side, of the communicating part is provided with a first containing part, and the side, opposite to the backside, of the communicating part is provided with a second containing part; a leveling part, which is located in the first containing part and can stretch across at least one part of the first splicingpart and at least one part of the second splicing part; a locking part which is located in the second containing part, is connected with the leveling part through the communicating part and pulls theleveling part, so that at least one of the first splicing part and the second splicing part is pulled in a direction from the front surface side toward the back surface side. According to the leveling mechanism, the planeness of the first splicing part and the second splicing part which are spliced with each other can be adjusted.

The present application discloses a liquid crystal display panel, including an array substrate, a color filter substrate, a first polarizer and a second polarizer, the first polarization direction of the first polarizer and the second polarization direction of the second polarizer are perpendicular to each other; Each pixel unit on the array substrate includes a pixel electrode, the pixel electrode includes a stem electrode, the stem electrode includes a first stem electrode arranged along a first direction and a second stem electrode arranged along a second direction, and the first direction and the second stem electrode are arranged along a second direction. The included angle formed by the first polarization direction is different from the right angle. By setting the first stem electrode obliquely relative to the first polarization direction and the second polarization direction, the angle formed by the branch electrodes in two adjacent domain regions and the first stem electrode can be adjusted, which can increase the The included angle between the branch electrode and the first trunk electrode at the small angle area prevents unetched or incomplete etching at the small angle area when patterning the pixel electrode.

An array substrate, a mask plate, a display panel and a display device. The array substrate includes a light-emitting layer, and the light-emitting layer includes a first light-emitting area, a second light-emitting area, and a third light-emitting area, and the second light-emitting area is located between the first light-emitting area and the third light-emitting area; The first light emitting area includes a plurality of first pixel repeating units, the second light emitting area includes a plurality of second pixel repeating units, the third light emitting area includes a plurality of third pixel repeating units, and the first pixel repeating The unit, the second pixel repeating unit and the third pixel repeating unit respectively include n pixels, n≥1 and n is an integer, and the pixel density of the third light-emitting area is smaller than the pixel density of the first light-emitting area, wherein The distance between the central axes of the adjacent second pixel repeating units is smaller than the distance between the central axes of the adjacent third pixel repeating units.

The invention provides a seam elimination device, which includes a first optical assembly arranged directly in front of the display area and a second optical assembly arranged directly in front of the frame area and corresponding to the first optical assembly; the first optical assembly, the second optical assembly The width of the components is consistent with the width of the frame area. Both the first optical component and the second optical component include a plurality of first deflectors; the light exit surfaces of each first deflector are cylinders. The present invention also provides an anti-seam device, which includes a third optical assembly arranged in front of the display area and a fourth optical assembly arranged in front of the frame area and corresponding to the third optical assembly; the third optical assembly, the fourth The widths of the optical components are consistent with the total width of the adjacent spliced ​​frame regions, and the third optical component and the fourth optical component both include a plurality of second deflectors; the light exit surfaces of each deflector are planes. By adopting the present invention, the smooth transition between the light emitted from the frame area and the light emitted from the display area can be realized, and the display effect can be enhanced.

The light from the first light source is incident on the reflective surface (13a) of the reflective mixing member (13), and the light from the second light source is incident on the reflective surface (13b). The relationship between the spacing Wp between the part (three corrugated column parts) formed by the reflection surface (13a) and the reflection surface (13b) in the reflection mixing part (13) and the lens spacing Wf is: (Wp / Wf≠1 ). Therefore, light beams with different distributions are incident on each lens portion of the fly-eye lens (14a), thereby preventing uneven brightness of the light incident on the liquid crystal display panel (5), and simultaneously preventing color unevenness on the screen.

The present invention discloses a pixel unit and an array substrate. The pixel unit comprises a data line, a gate line, a thin-film transistor, and a pixel electrode containing at least two domains, wherein the thin-film transistor is connected to the data line, the gate line, and the pixel electrode, respectively; and the pixel electrode further comprises at least one bucking electrode disposed parallel to the edge of the pixel electrode, with the bucking electrode being electrically connected to the pixel electrode. In such a manner, the pixel unit is able to shield interference of peripheral electric fields with the pixel electrode, allowing for more stable electrode field at the marginal area of the pixel electrode, thereby avoiding dark fringes present in the marginal area of the pixel electrode.

The invention provides a display panel. The display panel comprises a display panel body, a first USB cable drive circuit, a second USB cable drive circuit, a scanning cable drive circuit and a switch tube control cable. A pixel unit comprises a first pixel unit driven by a first data signal, a second pixel unit driven by a second data signal and a third pixel unit driven by both the first data signal and the second data signal; the data signal switch tube is arranged in the area of the third pixel unit. The invention further provides a display device. The display panel and the display device achieve the transition display of the third pixel unit placed between the first pixel unit and the second pixel unit by the breakover of the data signal switch tube, avoid the dark-line phenomenon between the first pixel unit and the corresponding second pixel unit, and improve the display effect of the display panel.

The present invention provides a pixel structure and a liquid crystal panel. The pixel structure includes a pixel electrode. The pixel electrode includes a trunk electrode, a branch electrode connected to the trunk electrode, and a sealing electrode surrounding the trunk electrode and the branch electrode. The trunk electrode is connected to at least one end of the branch electrode. A sealing electrode; wherein, a gap electrode is formed on the long side of the sealing electrode, and the gap electrode extends into the pixel structure, and the pixel electrode is divided into at least two pixel partitions, so that the original one pixel partition becomes a plurality of pixel partitions, Using the notch to reduce the aspect ratio of the pixel partition, and adding a horizontal trunk electrode in the divided pixel partition, further dividing the divided pixel partition into multiple pixel domains, shortening the length of the branch electrodes and reducing the impedance of the pixel electrodes, The compensation ability of the liquid crystal driving signal is improved, so that the abnormal dark lines of the entire pixel structure are avoided, and the display quality of the pixel structure is improved.

The present invention provides a touch liquid crystal display panel, a CF substrate and a touch display device. The touch liquid crystal display panel includes a TFT substrate, a CF substrate and a liquid crystal layer, the TFT substrate includes multiple rows of grid scanning lines, and the CF substrate includes a Multi-row grid scan lines correspond to multi-row RGB color layers. The display and touch of the touch LCD panel adopts a time-sharing drive scanning method. In the time period, n rows of gate scanning lines are scanned; in the second time period of the cycle, touch detection scanning is performed alternately until one frame of screen display is completed, and gate scanning lines are performed k times in one cycle Scanning, the thickness of the RGB color layer corresponding to the gate scanning line of the (k-1)n+1th row is smaller than the thickness of the RGB color layer of other rows, k≥2, n≥1. Through the above methods, the present invention can avoid dark lines and improve display quality.