WO2006015509A1 - Afficheur a cristaux liquides a alignement vertical multi-domaines - Google Patents

Afficheur a cristaux liquides a alignement vertical multi-domaines Download PDF

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Publication number
WO2006015509A1
WO2006015509A1 PCT/CN2004/000919 CN2004000919W WO2006015509A1 WO 2006015509 A1 WO2006015509 A1 WO 2006015509A1 CN 2004000919 W CN2004000919 W CN 2004000919W WO 2006015509 A1 WO2006015509 A1 WO 2006015509A1
Authority
WO
WIPO (PCT)
Prior art keywords
substrate
liquid crystal
crystal display
protrusions
slit
Prior art date
Application number
PCT/CN2004/000919
Other languages
English (en)
Chinese (zh)
Inventor
Jianhua Chen
Yupu Lin
Ronglie Xu
Original Assignee
Quanta Display Inc.
Quanta Display Japan Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quanta Display Inc., Quanta Display Japan Inc. filed Critical Quanta Display Inc.
Priority to PCT/CN2004/000919 priority Critical patent/WO2006015509A1/fr
Publication of WO2006015509A1 publication Critical patent/WO2006015509A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707—Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G02F1/134336—Matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background

Definitions

  • the present invention relates to a wide viewing angle liquid crystal display, and more particularly to a Multi-Domain Vertical Alignment (MVA) liquid crystal display.
  • VMA Multi-Domain Vertical Alignment
  • liquid crystal displays are moving toward increasing display, high brightness, high contrast, large viewing angle, large area, and full color.
  • liquid crystal displays still have problems such as narrow viewing angle range and high price. Therefore, how to increase the range of viewing angles is one of the urgent problems to be improved.
  • Many wide viewing angle liquid crystal display solutions have been proposed, including multi-region vertical alignment liquid crystal displays, In-Plane Switching (IPS) liquid crystal displays, and Fringe Field Switching (FFS) liquid crystals. Display and more.
  • the multi-region vertical alignment type liquid crystal display utilizes the liquid crystal region for display to be divided into a plurality of regions, so that the liquid crystal molecules are tilted in a plurality of directions, thereby increasing the viewing angle range of the liquid crystal display.
  • FIG. 1 is a schematic plan view showing one of pixels (pixels) of a known multi-region vertical alignment type liquid crystal display.
  • a scan wiring 102, a data wiring 104, a thin film transistor 120, and a pixel electrode 112 are disposed on a substrate (not shown).
  • the thin film transistor 120 includes a gate 106, a channel layer 108, and a source/drain 110a/110b.
  • the gate 106 is electrically connected to the scan line 102
  • the source 110a is electrically connected to the data line 104.
  • the pole 110b is electrically connected to the pixel electrode 112 through the contact window 116.
  • a plurality of strip slits (S 1 it) 114 are generally formed in the pixel electrode 112, and are disposed on another substrate (not shown) having a color filter layer.
  • a plurality of strip-like protrusions 118 are disposed on the pixel electrode 112, and are more in an electrode film (not shown) on another substrate having a color filter layer.
  • Strip slits 114 thus, by the combination of the slits 114 and the protrusions 118, the liquid crystal molecules disposed between the two substrates can be tilted in multiple directions, thereby achieving the purpose of increasing the viewing angle range of the liquid crystal display.
  • the multi-region vertical alignment type liquid crystal display can increase the viewing angle range by the design of the protrusions 118 and the slits 114, it has a good left and right viewing angle.
  • the liquid crystal molecules in the liquid crystal display are mainly tilted in four specific directions, if the liquid crystal display is to be viewed from other angles, especially from the upper right corner, the lower right corner, the upper left corner, and the lower left corner of the display, Then its perspective performance is not as good as the left and right perspective.
  • the above-described multi-region vertical alignment type liquid crystal display is one of the types of wide viewing angle liquid crystal displays, but its subsequent development may be limited by the above problems. Accordingly, there is still a need to develop a multi-region vertical alignment type liquid crystal display having more liquid crystal tilting directions. Summary of the invention
  • an object of the present invention is to provide a multi-region vertical alignment type liquid crystal display to solve the problem that the viewing angle range of the known multi-region vertical alignment type liquid crystal display is still limited, and the full viewing angle cannot be achieved.
  • An object of the present invention is to provide another multi-region vertical alignment type liquid crystal display to solve the problem that the known multi-region vertical alignment type liquid crystal display has a limited viewing angle range and cannot achieve a full viewing angle.
  • An object of the present invention is to provide yet another multi-region vertical alignment type liquid crystal display to solve the problem that the known multi-region vertical alignment type liquid crystal display has a limited viewing angle range and cannot achieve a full viewing angle.
  • the invention provides a multi-region vertical alignment type liquid crystal display, which is composed of a first substrate, a second substrate and a liquid crystal layer between the first substrate and the second substrate.
  • the first substrate is provided with a plurality of first protrusions
  • the first protrusions are composed of a plurality of radial protrusions arranged in a strip shape.
  • the second substrate is configured There are a plurality of second protrusions, and the second protrusions are strip-like protrusions, and the first protrusions are interlaced with the second protrusions.
  • the present invention proposes another multi-region vertical alignment type liquid crystal display comprising a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate.
  • the first substrate includes a first electrode film
  • the first electrode film has a plurality of first slits
  • the first slit is formed by a plurality of radial slits arranged in a strip shape.
  • the second substrate includes a second electrode film, and the second electrode film has a plurality of second slits therein, and the second slit is a strip slit, and the first slit and the second slit The slits are alternately arranged.
  • the present invention proposes a multi-region vertical alignment type liquid crystal display comprising a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate.
  • a plurality of protrusions are disposed on the first substrate, and the protrusions are composed of a plurality of radial protrusions arranged in a strip shape.
  • the second substrate includes an electrode film, and the electrode film has a plurality of slits therein, and the slit is a strip slit, and the protrusions are arranged alternately with the slits.
  • the present invention proposes a multi-region vertical alignment type liquid crystal display comprising a first substrate, a second substrate, and a liquid crystal layer between the first substrate and the second substrate.
  • the first substrate includes an electrode film
  • the electrode film has a plurality of slits therein, wherein the slits are formed by a plurality of radial slits arranged in a strip shape.
  • a plurality of protrusions are disposed on the second substrate, and the protrusions are strip-like protrusions, and the protrusions are arranged alternately with the slits.
  • the liquid crystal molecules in the multi-region vertical alignment type liquid crystal display can have more tilting directions, thereby increasing the dumping area. symmetry.
  • the multi-region vertical alignment type liquid crystal display of the present invention can have a viewing angle range of almost full viewing angle.
  • Figure 1 is a top plan view showing a pixel structure of a known multi-region vertical alignment type liquid crystal display.
  • Figure 2 is a top plan view of a multi-region vertical alignment type liquid crystal display in accordance with a first preferred embodiment of the present invention.
  • Fig. 3A is a schematic cross-sectional view showing a multi-region vertical alignment type liquid crystal display obtained from the I-1' section of Fig. 2.
  • Figure 3B is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display in accordance with a third preferred embodiment of the present invention.
  • Figure 4 is a top plan view of a multi-region vertical alignment type liquid crystal display in accordance with a second preferred embodiment of the present invention.
  • Figure 5A is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to a fourth preferred embodiment of the present invention.
  • Figure 5B is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to a fifth preferred embodiment of the present invention.
  • Figure 6A is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to a sixth preferred embodiment of the present invention.
  • Figure 6B is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to a seventh preferred embodiment of the present invention.
  • Figure 7A is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to an eighth preferred embodiment of the present invention.
  • Figure 7B is a cross-sectional view showing a multi-region vertical alignment type liquid crystal display according to a ninth preferred embodiment of the present invention.
  • Figure 8 is an illustration of a partially enlarged region 232 of the multi-region vertical alignment type liquid crystal display of Figure 2; Intention.
  • Figure 9 is a schematic illustration of another type of protrusion or slit 231 ⁇ of a multi-region vertical alignment type liquid in accordance with a first preferred embodiment of the present invention.
  • Fig. 2 is a top plan view showing a vertical alignment type liquid crystal display according to a first preferred embodiment of the present invention, wherein the ⁇ - ⁇ cross section in Fig. 2 is as shown in Fig. 3A.
  • the vertical alignment type liquid crystal display of the first preferred embodiment of the present invention comprises a first substrate 200, a second substrate 202, and a liquid crystal layer 204 disposed between the first substrate 200 and the second substrate 202.
  • the first substrate 200 is, for example, a color filter film substrate on which the color filter layer 206 is disposed
  • the second substrate 202 is, for example, a thin film transistor array substrate on which a switching element (for example, a thin film transistor) and a pixel electrode are disposed. described as follows.
  • the first substrate 200 includes a color filter layer 206, and the color filter layer 206 is composed of, for example, a plurality of red filter films (R), a plurality of green filter films (G), and a plurality of blue colors.
  • the color filter film (B) is formed, and a black matrix layer is formed between the red filter film, the green filter film, and the blue filter film.
  • an electrode film 208 is disposed on the color filter layer 206, and the material of the electrode film 208 is, for example, indium tin oxide (IT0).
  • a plurality of strip-like protrusions 210 are disposed on the electrode film 208, and the material of the strip-shaped protrusions 210 is, for example, a transparent polymer material.
  • the second substrate 202 includes, for example, a scanning wiring 212, a data wiring 214, a switching element (for example, a thin film transistor) 216, and a pixel electrode 218.
  • the thin film transistor 216 includes a gate 220, a channel layer 222, and a source/drain 224a/224b.
  • the gate 220 is electrically connected to the scan line 212
  • the source 224a is electrically connected to the data line 214.
  • the pole 224b is electrically connected to the pixel electrode 218 through the contact window 226.
  • a plurality of protrusions 228 are disposed on the pixel electrode 218, and the protrusions 228 are composed of a plurality of radial protrusions 230 arranged in a strip shape, and the strip-shaped protrusions 210 and the radial protrusions arranged in a strip shape are arranged.
  • the objects 230 are staggered correspondingly.
  • the material of these radial protrusions 230 is, for example, a transparent polymer material.
  • 230 of these radial protrusions As shown in Figure 2, the X-shaped protrusions.
  • the radial extension directions of the radial protrusions 230 are, for example, at an angle of 45 degrees with respect to the extending direction of the strip-like protrusions 210 (such as the corners indicated in Fig. 2).
  • the radial projections 230 may also be X-shaped but non-intersecting protrusions 231 (as shown in Figure 9).
  • the present invention is not limited to the radial projections 230, 231 - which are quadrilateral radiation projections, which can also be designed as multi-radial projections according to actual needs.
  • the present invention replaces the known strip-like protrusions with the radial protrusions 230 arranged in a strip shape
  • the electrode film 208 and the pixels The electric field generated between the electrodes 218 may cause the liquid crystal molecules 234 in the liquid crystal layer 204 to be dumped in the direction of the distribution of the imaginary line 233 as shown in the partially enlarged region 232 of FIG. 2 (the partial enlarged region 232 is illustrated in FIG. 8).
  • the liquid crystal molecules 234 in the liquid crystal layer 204 are aligned from the center of the radial protrusions 230 in various directions, so that the liquid crystal molecules 234 can be tilted, thereby increasing the symmetry of the liquid crystal molecules 234, and becoming nearly omnidirectional ( The arrangement of the corners.
  • the present invention can increase the viewing angle range of the multi-region vertical alignment type liquid crystal display by the configuration of the radial protrusions 230.
  • the electrode film 208 of the opposite substrate in the gap between the adjacent two radial protrusions 230 further includes a circular protrusion 236 disposed therein, thereby ensuring liquid crystal Under the action of the electric field, the molecules 234 do not undergo a darkening phenomenon at the interface of the adjacent two radial protrusions 230. That is, the arrangement of the circular protrusions 236 can suppress the field lines of the electric field from extending in the lateral direction, so that the liquid crystal molecules 234 at the interface of the adjacent two radial protrusions 230 do not have the problem of discontinuous arrangement, so Reduce the chance of dark areas.
  • the linear protrusions 237 as shown in FIG. 4 may be disposed on the electrode film 208 of the opposite substrate in the gap between the adjacent two radial protrusions 230, and This linear protrusion 237 also has the effect of the above-described circular protrusion 236.
  • the above-mentioned circular protrusion 236 or linear protrusion 237 can also be designed as a slit.
  • a circular or linear slit may be formed in the electrode film 208 of the opposite substrate in the gap between the adjacent two radial protrusions 230, so that the liquid crystal molecules 234 may be prevented from being dark at the interface. Zone phenomenon.
  • the radial protrusions 230 arranged in a strip shape may be disposed on the pixel electrode 218 on the second substrate 202, as shown in FIG. 3B, in the third preferred embodiment of the present invention.
  • the electrodes are disposed on the electrode film 208 on the first substrate 200.
  • the vertical alignment type liquid crystal display of FIG. 3B is provided with strip-shaped radial protrusions 230 on the electrode film 208 on the first substrate 200, and strips are arranged on the pixel electrodes 218 on the second substrate 202.
  • Protrusion 210 is provided with strip-shaped radial protrusions 230 on the electrode film 208 on the first substrate 200, and strips are arranged on the pixel electrodes 218 on the second substrate 202.
  • the matching of the strip-shaped protrusions 230 on the electrode film 208 and the strip-like protrusions 210 on the pixel electrode 218 can be utilized, so that the liquid crystal molecules 234 in the liquid crystal layer 204 are tilted in multiple directions, thereby increasing.
  • the present invention can also utilize the design of the slits to cause the liquid crystal molecules 234 to be tilted in multiple directions. Further, the purpose of increasing the viewing angle range is achieved, which is described in detail below.
  • An electrode film 208a is disposed on the color filter layer 206 on the first substrate 200, and the strip film 208a has a plurality of strip slits 238 therein, and the strip slits 238 are located at a position with the previous strip protrusions 210 ( As shown in Figure 3A) the same location.
  • a pixel electrode 218a is disposed on the second substrate 202, and the pixel electrode 218a has a plurality of radial slits 240 arranged in a strip shape, and the positions of the radial slits 240 are arranged in a stripe arrangement.
  • the shaped protrusions 230 are located at the same location, and in a preferred embodiment, the radial slots 240 are shaped, for example, as X-shaped slits.
  • the radial slits 240 can also be slits 231 that are X-shaped but do not intersect at the center (as shown in Figure 9).
  • the present invention is not limited to the radial slit 240, which is a slit that is quadrangular, and it can also be designed as a multi-radial slit according to actual needs.
  • the other components in FIG. 5A are the same as FIG. 3A, and are not here. Let me repeat.
  • the liquid crystal molecules 234 in the liquid crystal layer 204 can be rendered by the combination of the strip slits 238 in the electrode film 208a and the stripe-shaped radial slits 240 in the pixel electrodes 218a.
  • a circular slit or a linear slit may be disposed in the electrode film 208a of the opposite substrate in the gap between the adjacent two radial slits 240, and the position thereof is The previous circular protrusions 236 (shown in FIG. 2) or the linear protrusions 237 (shown in FIG. 4) are located at the same position, thus preventing dark spots in the liquid crystal molecules 234 at the interface of the adjacent two radial slits 240. Effect.
  • the slits may be replaced by circular or linear protrusions disposed on the electrode film 208a of the opposing substrate in the gap between the adjacent two radial slits 240.
  • the radial slits 240 arranged in a strip shape may be disposed in the pixel electrode 218a on the second substrate 202, or may be as shown in the fifth preferred embodiment of the present invention as shown in FIG. 5B.
  • the strip slit 238 is disposed in the pixel electrode 218a on the second substrate 202.
  • the present invention can also be utilized as shown in FIG. 6A and FIG. 6B, the design of the slit matching protrusion shown in FIG. 7A and FIG. 7B, so that the liquid crystal molecules 234 are tilted in multiple directions, thereby achieving the purpose of increasing the viewing angle range, which is described in detail below.
  • FIG. 6A a sixth preferred embodiment of the present invention is shown.
  • the vertical alignment type liquid crystal display of FIG. 6A is provided with an electrode film 208a on the color filter layer 206 on the first substrate 200, and the electrode film 208a has a plurality of strip slits 238 therein, and the positions of the strip slits 238 are located. The same position as the previous strip protrusion 210 (shown in FIG. 3A).
  • radial projections 230 arranged in a strip shape as shown in FIG. 3A are disposed.
  • the other components in FIG. 6A are the same as those in FIG. 3A, and are not described herein again.
  • the liquid crystal molecules 234 in the liquid crystal layer 204 can be multi-directional. Dumping, in order to achieve the purpose of increasing the range of viewing angles.
  • circular protrusions, linear protrusions, and circles may be disposed on the electrode film 208a of the opposite substrate in the gap between adjacent two radial protrusions 230.
  • a slit or a linear slit and is located at the same position as the previous circular protrusion 236 (shown in FIG. 2) or the linear protrusion 237 (shown in FIG. 4), thereby preventing the liquid crystal molecules 234 from being adjacent to each other.
  • a phenomenon in which a dark region occurs at the interface of the two radial protrusions 230.
  • the radial protrusions 230 arranged in a strip shape may be disposed on the pixel electrode 218 on the second substrate 202, as shown in the seventh preferred embodiment of the present invention as shown in FIG. 6B.
  • the strip slit 238 is disposed on the electrode film 208 on the first substrate 200, and the strip slit 238 is disposed in the pixel electrode 218a on the second substrate 202.
  • FIG. 7A there is shown an eighth preferred embodiment of the present invention.
  • the vertical alignment type liquid crystal display of Fig. 7A is provided with a plurality of strip-like protrusions 210 as shown in Fig. 3A on the electrode film 208 on the first substrate 200.
  • a pixel electrode 218a is disposed on the second substrate 202, and the pixel electrode 218a has a plurality of radial slits 240 arranged in a strip shape, and the positions of the radial slits 240 are arranged in a stripe arrangement.
  • the shaped protrusions 230 (shown in Figure 3A) are located at the same location.
  • other components in FIG. 7A are the same as FIG.
  • the liquid crystal molecules 234 in the liquid crystal layer 204 can be rendered.
  • circular protrusions, linear protrusions, and circles may be disposed on the electrode film 208 of the opposite substrate in the gap between adjacent two radial slits 240.
  • a slit or a linear slit and is located at the same position as the previous circular protrusion 236 (shown in FIG. 2) or the linear protrusion 237 (shown in FIG. 4), thereby preventing the liquid crystal molecules 234 from being adjacent to each other.
  • a dark region occurs at the interface of the second radial slit 240.
  • the radial slits 240 arranged in a strip shape may be disposed in the pixel electrode 218a on the second substrate 202, as shown in the ninth preferred embodiment of the present invention as shown in FIG. 7B.
  • the electrode film 208a is disposed on the first substrate 200.
  • the strip protrusion 210 is disposed on the pixel electrode 218 on the second substrate 202.
  • the liquid crystal molecules in the multi-region vertical alignment type liquid crystal display can have more tilting directions, thereby increasing the dumping.
  • the symmetry of the area can have a viewing angle range of almost full viewing angle.

Abstract

Un afficheur à cristaux liquides à alignement vertical multi-domaines se compose du premier substrat, du deuxième substrat et de l’afficheur à cristaux liquides disposé entre le premier substrat et le deuxième substrat, une première protubérance multiple étant disposée sur le premier substrat et une deuxième protubérance multiple étant disposée sur le deuxième substrat. La première protubérance est constituée de multiples bandelettes disposées en rayons et la deuxième protubérance se présente sous la forme de bandelettes. La première protubérance correspond alternativement au deuxième substrat.
PCT/CN2004/000919 2004-08-09 2004-08-09 Afficheur a cristaux liquides a alignement vertical multi-domaines WO2006015509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2004/000919 WO2006015509A1 (fr) 2004-08-09 2004-08-09 Afficheur a cristaux liquides a alignement vertical multi-domaines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2004/000919 WO2006015509A1 (fr) 2004-08-09 2004-08-09 Afficheur a cristaux liquides a alignement vertical multi-domaines

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WO2006015509A1 true WO2006015509A1 (fr) 2006-02-16

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003131208A (ja) * 2001-10-25 2003-05-08 Toppan Printing Co Ltd Ｍｖａ−ｌｃｄ用カラーフィルタ及びその製造方法
CN1477427A (zh) * 2002-06-29 2004-02-25 京东方显示器科技公司 垂直取向模式的液晶显示装置
CN1482499A (zh) * 2002-09-13 2004-03-17 奇美电子股份有限公司 液晶显示器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003131208A (ja) * 2001-10-25 2003-05-08 Toppan Printing Co Ltd Ｍｖａ−ｌｃｄ用カラーフィルタ及びその製造方法
CN1477427A (zh) * 2002-06-29 2004-02-25 京东方显示器科技公司 垂直取向模式的液晶显示装置
CN1482499A (zh) * 2002-09-13 2004-03-17 奇美电子股份有限公司 液晶显示器

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