TWI322314B - Multi-domain vertical alignment liquid crystal display panel and thin film transistor array substrate thereof - Google Patents

Description

15671twf.doc/g IX. Description of the Invention: [Technical Field] The present invention relates to a display panel, and more particularly to a multi-domain vertical alignment 'MVA' liquid crystal display panel and Thin film transistor array. [Prior Art] For the rapid advancement of the multimedia society, most of them have benefited from the dramatic advancement of semiconductor components or display devices. In terms of displays, Thin Film Transistor Liquid Crystal Display (TFT-LCD), which has superior properties such as high quality, good space utilization efficiency, low power consumption, and no radiation, has gradually become the mainstream of the market. At present, the market's performance requirements for liquid crystal displays are toward High Contrast Ratio, No Gray Scale Inversion, Little Color Shift, and High Brightness.

Luminance), high color richness, high color saturation, fast response and wide viewing angle. At present, technologies capable of achieving wide viewing angle requirements include, for example, twisted nematic liquid day (TN) plus viewing angle film (Viewing Film), in-plane switching (IPS) liquid crystal display, and marginal field switching type. (Fringe Field Switching) liquid crystal display and multi-domain vertical alignment film transistor liquid crystal display. Here, a description will be given of a conventional multi-domain vertical alignment liquid crystal display. 1A and 1B are schematic cross-sectional views showing a state in which a driving voltage is turned off and on in a conventional multi-domain vertical alignment liquid crystal display panel. Please refer to FIG. 1 A 'Multi-domain vertical alignment liquid crystal display panel 1 彩色 is made of color tear film 15671twf.doc/g color filter film array 102, thin film transistor array 104, liquid crystal The layer l〇6 and the alignment protrusion 108 are formed. The liquid crystal layer 1〇6 is disposed between the color light-passing sheet 102 and the thin film transistor array 1〇4, and is composed of a plurality of liquid crystal molecules 105. When the driving voltage is not yet turned on (v=〇), the long axis of the liquid crystal molecules 105 is a vertical thin film transistor array 1〇4 and a color filter 102, and the liquid crystal molecules 1〇5 adjacent to the alignment protrusions 108 have A pretilt angle. In May, as shown in FIG. 1B, after the driving voltage (V#0) is turned on, an electric field is generated between the color filter 102 and the thin film transistor array 1〇4, and the liquid crystal molecules 105 are based on the direction of the electric field. Dumped. Moreover, the multi-domain vertical alignment liquid crystal display panel 100 changes the direction of the electric field by the alignment protrusions and the slits 112 of the halogen electrodes, so that the liquid crystal molecules 1〇5 can exhibit various different tilt directions after the driving voltage is turned on. (As shown in Fig. 1A), the purpose of increasing the viewing angle range of the liquid crystal display is achieved. Among them, the alignment protrusions 108 are disposed on the color filter 1〇2. 2 is a schematic cross-sectional view showing the multi-domain vertical alignment liquid crystal display panel 1 of FIG. Referring to FIG. 2, it can be seen from the principle of electromagnetic boundary effect that the electric field direction of the edge of the 昼素 electrode 1〇3 is opposite to the electric field direction of other parts of the 昼素 electrode 1〇3 (here, the pixel electrode 1 可 can be assumed The edge of 3 is provided with a virtual alignment protrusion 114, as shown in FIG. 2, causing the liquid crystal molecules 105 located at the edge of the pixel electrode 103 to be inconsistent in the direction of inversion, thereby generating black lines in the area 116, thereby making the black line (djsciinati〇n) The transmittance of the multi-domain vertical alignment liquid crystal display panel 1 下降 decreases, and the response time increases. 1322314 l567ltwf.doc/g SUMMARY OF THE INVENTION It is an object of the present invention to provide a thin film transistor array which improves the transmittance, contrast, and response rate of a display panel. Another object of the present invention is to provide a multi-domain vertical alignment liquid crystal display panel which has good light transmittance, contrast, and response rate because of providing excellent display quality. The invention proposes a thin film transistor array mainly composed of a substrate and a sweeping wire disposed thereon, (4) wiring, a fine transistor and a pixel electricity, and the H-wiring wiring system and the data wiring are distinguished on the substrate. The = 电极 电极 个 个 个 个 个 个 个 个 个 个 个 个 个 个 个 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼 昼Crystal. Further, the halogen is narrow: slit? flank slits' and these flank slits are connected to the main edge' and each of the main slits has at least a meandering end. A multi-domain vertical alignment type liquid crystal display panel is mainly provided by a liquid crystal array, a color filter, and a liquid crystal layer, and a light film system is disposed above the thin film transistor array. The two men's, - placed between the sap filter and the thin film transistor array. For each of the tortuosity, the axis is such a curved end portion of the main slit. The display panel is further described in the above-mentioned multi-domain vertical alignment liquid crystal 匕 个 aligning projections, which are arranged in color. Filter on 1567ltwf.doc/g. In one example, the alignment protrusions are, for example, strip-like alignment protrusions, and extend in a direction parallel to, for example, the direction in which the main slits on the pixel electrodes extend. Moreover, in another preferred embodiment, each of the alignment projections has, for example, at least one branch and corresponds to the edge of the halogen electrode of the thin film transistor array. The invention reduces the area of black lines generated in the vertical alignment liquid crystal display panel without increasing the additional process and cost, thereby increasing the opening π rate of the display panel and improving the contrast and response of the display image. speed. The above and other objects, features, and advantages of the present invention will become more apparent from the understanding of the appended claims. [Embodiment] FIG. 3A is a cross-sectional view showing a multi-domain vertical alignment liquid crystal display panel according to an embodiment of the present invention. Figure 3B is a partial top plan view of the thin film transistor array of Figure 3A. Referring first to Fig. 3A, the multi-domain vertical alignment liquid crystal display panel 3GG is mainly composed of a thin film transistor array 31 (), a color filter 320, and a liquid crystal layer 33. Wherein, the color light-receiving sheet 32 is arranged above the thin film transistor array, and the liquid crystal layer 33 is composed of the plurality of solid liquid crystal molecules 332 and is disposed on the color filter 320 and the binding transistor array. Between 310.

Referring to FIG. 3A and FIG. 3A simultaneously, the thin film transistor array 310 is mainly composed of a substrate M1, a plurality of bucks and wires 3u, a plurality of data wires 3A, a plurality of thin film transistors 316, and a plurality of halogen electrodes 318. Constituting (Fig. 3B, 15671 twf.doc/g LIMITING THE INVENTION The invention has been disclosed in the preferred embodiment as above. The invention is not limited to the invention, and any stipulations are not intended to be used in the scope and scope. Without departing from the spirit of the present invention, the scope defined by the patent scope is a protective panel of the quasi-invention. The over-transmission voltage is a two-directional twin crystal display. FIG. 2 is a schematic view of the outer core and the four-sided schematic diagram of FIG.夕 Vertical Vertical Alignment Liquid Crystal Display Panel 100 FIG. 3A' is a schematic cross-sectional view of the present invention. The medium multi-domain vertical alignment liquid crystal is shown in FIG. _ — The alignment protrusion of the liquid crystal display panel, the schematic diagram of the multi-domain vertical alignment column. The thin film transistor array of Fig. 3B:=;=:r 322 ==: Use the example: 'Multi-domain vertical alignment liquid map. Schematic diagram of the film transistor array [Main component symbol description] 1〇〇, 300: multi-domain vertical alignment liquid crystal display panel 102, 320: color filter 1322314 15671twf.doc/g 103, 318: halogen electrode 104, 310 : Thin film transistor array 105, 332: liquid crystal molecules 106, 330: liquid crystal layer 108, 322: alignment protrusion '112: slit 114: virtual alignment protrusion 116: region. * 311: substrate 312: scan wiring 314: data wiring 316: thin film transistor 317: meandering end portion 318a of main slit: main slit 318b: side slit 319 · · halogen region · V: driving voltage Θ : meander angle 12 8

Claims (1)

X. Patent application scope: 1. A thin film transistor array substrate, comprising: a substrate; a plurality of scanning wires disposed on the substrate; a plurality of data wires arranged on the substrate, wherein the wires and the data wires are arranged Separating a plurality of halogen regions on the substrate. A plurality of thin film transistors are disposed on the substrate, and two or two crystals are included in the halogen regions, wherein the systems are And the g-amp; Corresponding to [the = film transistor], and each of the halogen electrodes has a plurality of main slits and a plurality of side slits, wherein the side slits are connected to the side edges of the main slits, and each The main slit has at least one meandering end. The thin film transistor array substrate according to claim 1, wherein the meandering angle of each of the meandering ends is between 〇 and 45 degrees = 3 · as described in claim 1 The thin film transistor array substrate, wherein the meandering ends are stepped continuous meandering ends. 4. A multi-domain vertical alignment liquid crystal display panel, comprising: a thin film transistor array substrate, comprising: a substrate; a plurality of scanning wires disposed on the substrate; a plurality of data wires disposed on the substrate, wherein the The scanning wiring and the data wiring system distinguish a plurality of pixel regions on the substrate; 98-11-24 a plurality of thin film transistors are disposed on the substrate, and the germanium crystal system is located in the pixel regions In one of the g-mode electro-crystalline systems, the striated 35 wires and the plurality of pixel electrodes are disposed on the substrate, and the electrodes are located in the halogen regions. One of the thin film transistors, and each of the books ==:== a plurality of side slits '(four) core == some side edges of the main slits' and each of the main slits has at least a color twilight The film is disposed above the thin film transistor substrate; the light film 2 crystal layer is disposed on the thin film transistor substrate and the color filter surface 4 is disposed between the liquid crystal display and the liquid crystal display. The meandering angle of the end of the two-folded end of the middle of the zigzag is a multi-domain vertical alignment liquid crystal display δχ described in the face item of 0 degree to 45 degrees. The meandering end is a stepped continuous zigzag end. The multi-domain vertical alignment liquid crystal of the four items is displayed. The plurality of vertical alignment liquid crystals are arranged on the color filter display panel, such as the multi-domain vertical alignment liquid crystal display according to Item 7 of 1312. The protrusions are strip-shaped alignment protrusions, and the direction of extension of the strip-shaped alignment protrusions of the 1322314 f 98-11-24 is parallel to the extension direction of the main slits. The multi-domain vertical alignment liquid crystal display panel of claim 7, wherein each of the alignment protrusions has at least one branch, and the branches correspond to edges of the pixel electrodes. % 15 ^-9 1322314 furnace ^月Μ日修知正正无页-3b ^ ΙΙΙΙ1··Μ·Ι 111·» -mJ 15671TW_J Figure 5