CN102866546A - Display device and display panel - Google Patents
Display device and display panel Download PDFInfo
- Publication number
- CN102866546A CN102866546A CN2012103857120A CN201210385712A CN102866546A CN 102866546 A CN102866546 A CN 102866546A CN 2012103857120 A CN2012103857120 A CN 2012103857120A CN 201210385712 A CN201210385712 A CN 201210385712A CN 102866546 A CN102866546 A CN 102866546A
- Authority
- CN
- China
- Prior art keywords
- electrode
- picture element
- element unit
- substrate
- spacing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims abstract description 86
- 230000005684 electric field Effects 0.000 claims description 35
- 230000010415 tropism Effects 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 239000010409 thin film Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- RQIPKMUHKBASFK-UHFFFAOYSA-N [O-2].[Zn+2].[Ge+2].[In+3] Chemical compound [O-2].[Zn+2].[Ge+2].[In+3] RQIPKMUHKBASFK-UHFFFAOYSA-N 0.000 description 1
- -1 aluminium tin-oxide Chemical compound 0.000 description 1
- JYMITAMFTJDTAE-UHFFFAOYSA-N aluminum zinc oxygen(2-) Chemical compound [O-2].[Al+3].[Zn+2] JYMITAMFTJDTAE-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133613—Direct backlight characterized by the sequence of light sources
-
- 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
- G02F1/13775—Polymer-stabilized liquid crystal layers
-
- 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
- G02F1/13793—Blue phases
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
A display device comprises a display panel and a light source module. The display panel comprises a first substrate, a second substrate and a display medium. The first substrate is provided with a plurality of first electrodes and second electrodes which are alternately arranged, and a first space is arranged between every two adjacent first electrodes. The second substrate has a plurality of third electrodes and fourth electrodes alternately arranged thereon, and a second distance is formed between each two adjacent electrodes, wherein the second distance is not equal to the first distance. The light source module comprises a first wavelength light source group, a second wavelength light source group and a third wavelength light source group. When the first wavelength light source group is lighted, the display medium is driven through the first electrode and the second electrode. When the second wavelength light source group is lighted, the display medium is driven through the third electrode and the fourth electrode. A display panel is also disclosed.
Description
[technical field]
The invention relates to a kind of display device and display panel, and particularly relevant for a kind of display device and display panel with Different electrodes spacing.
[background technology]
For the demand in response to the consumption masses, the numerous and confused exploitation that drops into blue phase (blue phase) liquid crystal display with rapid answer characteristic of the relevant dealer of display.Take blue phase (blue phase) liquid crystal material as example, generally need transverse electric field to operate so that it has the function of light valve.Someone adopts the electrode design of coplanar conversion IPS (In-Plane Switching) display module to drive blue phase liquid crystal molecule in blue phase (blue phase) liquid crystal display at present.
Although blue phase liquid crystal has the advantages such as tropism such as rapid answer time and optics, and the higher shortcoming of driving voltage is arranged, its driving voltage needs usually up to 55 volts.In addition, have the blue-phase liquid crystal display panel of the picture element unit of plane conversion type, the occupied zone of its strip pattern is dark space D, so that the penetrance of blue-phase liquid crystal display panel is not good.Therefore, adopting blue phase liquid crystal is the space that the design of the display device of display medium or display panel still is improved.
[summary of the invention]
The invention provides a kind of display device and display panel thereof, utilize the Different electrodes spacing to produce good penetrance and to solve its colour cast problem.
The present invention proposes a kind of display device, comprises a display panel and a light source module.Aforesaid display panel comprises a first substrate, a second substrate and a display medium.Wherein have a plurality of the first electrodes and a plurality of the second electrode that are arranged alternately each other on the first substrate, have one first spacing between each first electrode and adjacent the second electrode.Second substrate is positioned at the subtend of first substrate, have a plurality of third electrodes and a plurality of the 4th electrode that are arranged alternately each other on the second substrate, wherein have one second spacing between each third electrode and adjacent the 4th electrode, and the second spacing and the first spacing are unequal.Display medium is between first substrate and second substrate.
The present invention proposes a kind of display panel in addition, and this display panel has at least one the first picture element unit, at least one the second picture element unit and at least one the 3rd picture element unit.Wherein the first picture element unit, the second picture element unit and the 3rd picture element unit comprise respectively a first substrate, a second substrate, a chromatic filter layer and a display medium.Have a plurality of the first electrodes and a plurality of the second electrode that are arranged alternately each other on the aforesaid first substrate, wherein have first-class pitch spacing between each first electrode and adjacent the second electrode.
Based on above-mentioned, in display device of the present invention and the display panel, has different spacings between the Different electrodes group, to produce the electric field of different sizes.In display device, utilize the different light source groups of electric field driven of the different sizes that this different spacing produces, with the penetrance of improving display device and the problem of colour cast.In addition, in display panel of the present invention, the different big or small different picture element unit of electric field driven that utilize this different spacing to produce, the effect that can reach the penetrance of improving display panel and improve the colour cast problem equally.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
[description of drawings]
Fig. 1 is the schematic perspective view according to the display device of one embodiment of the invention.
Fig. 2 A is the local top view of the first substrate of Fig. 1.
Fig. 2 B is the local top view of the second substrate of Fig. 1.
Fig. 3 is the pixel circuit schematic diagram of the display device of Fig. 1.
Fig. 4 is the part sectioned view of the display device of Fig. 1.
Fig. 5 is the schematic perspective view according to the display panel of one embodiment of the invention.
Fig. 6 is the pixel circuit schematic diagram of the display panel of Fig. 5.
Fig. 7 is the part sectioned view of the display panel of Fig. 5.
Fig. 8 is the driving voltage-penetrance curve map (V-T curves) of the display device of Fig. 1.
[main element symbol description]
100: display device
110,200: display panel
112,222: first substrate
112a, 222a: the first electrode
112b, 222b: the second electrode
114,224: second substrate
114a: third electrode
114b: the 4th electrode
116,228: display medium
120: light source module
122: the first wavelength light source groups
124: second wave length light source group
126: the three-wavelength source groups
220: the first picture element unit
220a: red picture element unit
226: chromatic filter layer
226a: red filter pattern
226b: blue filter pattern
226c: green filter pattern
240: the second picture element unit
240a: green picture element unit
260: the three picture element unit
260a: blue picture element unit
D1: the first spacing
D2: the second spacing
W, w1: live width
D3, d4, d5: wait pitch spacing
T: transistor
DL: data line
SL: sweep trace
CL: common electrode line
E1, E2, E3: transverse electric field
[embodiment]
The first embodiment
Fig. 1 is the schematic perspective view according to the display device of one embodiment of the invention.Please refer to Fig. 1, display device 100 comprises a display panel 110 and a light source module 120.Aforesaid display panel 110 comprises a first substrate 112, a second substrate 114 and a display medium 116.Wherein, second substrate 114 is positioned at the subtend of first substrate 112, and display medium 116 is between first substrate 112 and second substrate 114.Light source module 120 is positioned at a side of display panel 110.In the present embodiment, be take 120 of light source modules near that side of first substrate 112 as example, but light source module 120 also can be situated near second substrate 114 those sides.
Fig. 2 A is the local top view of the first substrate 112 of Fig. 1.Please also refer to Fig. 1 and Fig. 2 A, have a plurality of the first electrode 112a and a plurality of the second electrode 112b that are arranged alternately each other on the first substrate 112, have one first spacing d1 between each first electrode 112a and adjacent the second electrode 112b.Fig. 2 B is the local top view of the second substrate 114 of Fig. 1.Then please also refer to Fig. 1 and Fig. 2 B, have a plurality of third electrode 114a and a plurality of the 4th electrode 114b that are arranged alternately each other on the second substrate 114, wherein have one second spacing d2 between each third electrode 114a and adjacent the 4th electrode 114b, and the second spacing d2 and the first spacing d1 are unequal.
Refer again to Fig. 1, aforesaid light source module 120 comprises one first wavelength light source group 122, a second wave length light source group 124 and a three-wavelength source group 126.When display panel 110 presented display frame, first, second and three-wavelength source group 122,124 and 126 were sequentially lighted.When the first wavelength light source group 122 of light source module 120 is lit, drive display medium 116 by the first electrode 112a on the first substrate 112 and the second electrode 112b.When the second wave length light source group 124 of light source module 120 is lit, drive display medium 116 by the third electrode 114a on the second substrate 114 and the 4th electrode 114b.
After the first electrode 112a and the second electrode 112b were applied in voltage, the first spacing d1 can affect the electric field level that produces between the first electrode 112a and the second electrode 112b.In like manner, the second spacing d2 can affect the electric field level that produces between third electrode 114a and the 4th electrode 114b.In the present embodiment, the first spacing d1 and the second spacing d2 are unequal, the electric field level that meaning namely produces between the first electrode 112a and the second electrode 112b can and third electrode 114a and the 4th electrode 114b between the electric field level that produces different.In the present embodiment, utilize the electric field driven light sources with different wavelengths groups of different sizes, display device 100 produces the problem that penetrations reduce when applying single voltage with improvement, and the colour cast situation that produces when avoiding high voltage.
Fig. 3 is the pixel circuit schematic diagram of the display device of Fig. 1.Specifically, the first electrode 112a and a transistor T of the present embodiment are electrically connected, the second electrode 112b be electrically connected with electrode wires CL altogether.One end and the sweep trace SL of transistor T join, and the other end and data line DL join.At this, whether transistor T can write as the voltage information on-off element of the first electrode 112a, and the pattern of transistor T can be bottom grid film transistor or top grid type thin film transistor (TFT).When transistor T is unlocked when making the voltage information write the first electrode 112a, the first electrode 112a is applied in a voltage, and its magnitude of voltage is different from the magnitude of voltage of common electrode line CL, so that have voltage difference between the first electrode 112a and the second electrode 112b.At this moment, produce an electric field between the first electrode 112a and the second electrode 112b, to drive display medium 116.Then, when the first wavelength light source group 122 in the light source module 120 was lit, the first electrode 112a and the second electrode 112b on the first substrate 112 drove display medium 116 in aforesaid mode.
In the present embodiment, the mode of the third electrode 114a on the second substrate 114 and the 4th electrode 114b driving display medium 116 is identical with the first electrode 112a and the second electrode 112b.Third electrode 114a is same to be electrical connected with a transistor, and the 4th electrode 114b be electrically connected with electrode wires altogether.When the second wave length light source group 124 in the light source module 120 was lit, the third electrode 114a on the second substrate 114 and the 4th electrode 114b drove display medium 116 in aforesaid mode.
In the present embodiment, when the first wavelength light source group 122 is lit, drive display medium 116 by the first electrode 112a on the first substrate 112 and the second electrode 112b.When the second wave length light source group 124 of light source module 120 is lit, drive display medium 116 by the third electrode 114a on the second substrate 114 and the 4th electrode 114b.After the first wavelength light source group 122 and second wave length light source group 124 are lit, then the three-wavelength source group 126 when light source module 120 is lit, can drive display medium 116 by the first electrode 112a on the first substrate 112 and the second electrode 112b, or drive display medium 116 by the third electrode 114a on the second substrate 114 and the 4th electrode 114b.
Specifically, each wavelength light source group 122,124 of light source module 120,126 wavelength size are not identical.At this, the wavelength of the first wavelength light source group 122 is greater than the wavelength of second wave length light source group 124, and the wavelength of second wave length light source group 124 is greater than the wavelength of three-wavelength source group 126.For instance, what the first wavelength light source group 122 was sent is ruddiness, and what second wave length light source group 124 was sent is green glow, and what three-wavelength source group 126 was sent is blue light.That is to say, the display device 100 of the present embodiment is to adopt look order method, the image of red, green, blue three looks is switched to produce the effect of colour mixture fast on time shaft, and utilize different electrode separation d1, d2 to produce the display medium 116 that wavelength light source group 122,124,126 that different big or small electric fields drive different colours corresponds to.
In addition, the first spacing d1 between the first electrode 112a and adjacent the second electrode 112b is less than the second spacing d2 between third electrode 114a and adjacent the 4th electrode 114b.In other words, in the present embodiment, to drive the first the longest wavelength light source group 122 of wavelength with less the first spacing d1 of the spacing between two electrode 112a, the 112b, with the second larger spacing d2 of the spacing between two electrode 114a, the 114b drive wavelength time second wave length light source group 124.In the present embodiment, the difference between the first spacing d1 and the second spacing d2 is more than or equal to 0.2 micron; Among another embodiment, the first spacing d1 and the second spacing d2 difference be more than or equal to 0.5 micron, and less than or equal to 5 microns; In preferred embodiment, the difference of the first spacing d1 and the second spacing d2 is more than or equal to 0.8 micron, and less than or equal to 1.5 microns, for example the difference of the first spacing d1 and the second spacing d2 is about 1 micron.
Refer again to Fig. 2 A and Fig. 2 B, in the present embodiment, is identical with the live width w of the second electrode 112b with the first electrode 112a, and the live width w of third electrode 114a and the 4th electrode 114b also is all mutually example and describes.Certainly, the live width w of the live width w of the first electrode 112a and the second electrode 112b can be incomplete same.In like manner, the live width w of the live width w of third electrode 114a and the 4th electrode 114b also can be incomplete same, the demand when being familiar with the person skilled in art and can making design alteration with realistic use to each electrode live width.In addition, illustrate such as Fig. 2 A and Fig. 2 B, the first spacing d1 and the second spacing d2 are respectively first-class pitch spacing.That is to say, the size of each the first spacing d1 between the first electrode 112a and the second electrode 112b equates, and the size of each the second spacing d2 between third electrode 114a and the 4th electrode 114b equates.
Fig. 4 is the part sectioned view of the display device of Fig. 1.Please refer to Fig. 4, the first electrode 112a and the second electrode 112b are arranged alternately on first substrate 112, and third electrode 114a and the 4th electrode 114b are arranged alternately on second substrate 114.The first electrode 112a and the second electrode 112b be the position at grade, and third electrode 114a and the 4th electrode 114b are at grade.In other words, to be the display device 100 of switching (In-Plane Switching, IPS) formula take display device 100 as copline describe as example the present embodiment.At this, the first electrode 112a, the second electrode 112b, third electrode 114a and the 4th electrode 114b can be transparency electrodes, its material comprises metal oxide, and it for example is indium tin oxide, indium-zinc oxide, aluminium tin-oxide, aluminium zinc oxide, indium germanium zinc oxide or other suitable metal oxide or the above-mentioned at least stack layer of the two.
In addition, in the present embodiment, display medium 116 is to have the tropisms (optically isotropic) such as optics when not bestowed an electric field.According to the present embodiment, above-mentioned display medium 116 comprises blue phase liquid crystal, and it is such as being that polymer stabilizing type blue phase liquid crystal (polymer-stabilized blue phase liquid crystals) or polymer stabilizing type etc. are to phase liquid crystal (polymer-stabilized isotropicphase liquid crystals) etc.In the present embodiment, display medium 116 is to see through the formation of electric field and drive, and display medium 116 is changed, so that the effect of display medium 116 performance light valves between the tropism such as optics and optical anisotropy.
From the above, illustrate such as Fig. 4, when the first wavelength light source group 122 of light source module 120 is lit, have a transverse electric field E1 between the first electrode 112a on the first substrate 112 and the second electrode 112b, to drive display medium 116.When the second wave length light source group 124 of light source module 120 is lit, has another transverse electric field E2 between the third electrode 114a on the second substrate 114 and the 4th electrode 114b, to drive display medium 116.That is to say, in the present embodiment, the direction of electric field mainly is distributed on the direction of parallel first substrate 112 and second substrate 114, and because electrode separation d1, d2 are not identical, the size of transverse electric field E1, the E2 of generation is not identical yet.
The second embodiment
Fig. 5 is the schematic perspective view according to the display panel of one embodiment of the invention.Display panel 200 has at least one the first picture element unit 220, at least one the second picture element unit 240 and at least one the 3rd picture element unit 260.In Fig. 5, be to comprise that take display panel 200 first a picture element unit 220, second picture element unit 240 and the 3rd picture element unit 260 describe as example, but the present invention does not limit the quantity of the first picture element unit 220, the second picture element unit 240 and the 3rd picture element unit 260.Wherein the first picture element unit 220, the second picture element unit 240 and the 3rd picture element unit 260 comprise respectively a first substrate 222, a second substrate 224, a chromatic filter layer 226 and a display medium 228.
Have a plurality of the first electrode 222a and a plurality of the second electrode 222b that are arranged alternately each other on the aforesaid first substrate 222, wherein have first-class pitch spacing d3 between each first electrode 222a and adjacent the second electrode 222b.Second substrate 224 is positioned at the subtend of first substrate 222, and chromatic filter layer 226 is positioned on first substrate 222 or the second substrate 224.In the present embodiment, be take 226 of chromatic filter layers at second substrate 224 as example, but chromatic filter layer 226 also can be situated on the first substrate 222.
Between the first electrode 222a and the second electrode 222b etc. pitch spacing d3 can affect electric field level between two electrode 222a and the 222b.Owing to waiting pitch spacing d3 and waiting pitch spacing d4 and unequal, so when corresponding to the first picture element unit 220 and the first electrode 222a that corresponds to the second picture element unit 240 and the second electrode 222b difference when driven, both can produce the electric field that varies in size.In the present embodiment, utilize the different picture elements of different electric field driven unit 220,240,260, can improve that display panel 200 produces the problem that penetrations reduce when applying single voltage, and the colour cast situation that produces when avoiding high voltage.
Fig. 6 is the pixel circuit schematic diagram of the display panel of Fig. 5.The pixel circuit of the present embodiment is similar to the pixel circuit of the embodiment of Fig. 1, therefore adopts identical label to represent same or analogous element.Specifically, the first electrode 222a and a transistor T of the present embodiment are electrically connected, the second electrode 222b be electrically connected with electrode wires CL altogether.One end and the sweep trace SL of transistor T join, and the other end and data line DL join.At this, whether transistor T can write as the voltage information on-off element of the first electrode 222a.For instance, when transistor T is unlocked when making the voltage information write the first electrode 222a, the first electrode 222a is applied in a voltage, and its magnitude of voltage is different from the magnitude of voltage of common electrode line CL, so that have voltage difference between the first electrode 222a and the second electrode 222b.At this moment, produce an electric field between the first electrode 222a and the second electrode 222b, to drive display medium 228.
Refer again to Fig. 5, the position has a red filter pattern 226a, a blue filter pattern 226b and a green filter pattern 226c at the chromatic filter layer 226 of second substrate 224, so that the first picture element unit 220, the second picture element unit 240 and the 3rd picture element unit 260 are respectively a red picture element unit 220a, a green picture element unit 240a and a blue picture element unit 260a.In other words, the present embodiment is that (Color filter, CF) substrate describes as example take second substrate 224 as colorized optical filtering.As aforementioned, chromatic filter layer 226 also can with the common position of the first electrode 222a and the second electrode 222b on first substrate 222, this moment, first substrate 222 can be that colorized optical filtering is integrated in (Color filter on Array on the thin film transistor (TFT) array, COA) substrate, or thin film transistor (TFT) array is integrated in (Array on Colorfilter, AOC) substrate on the chromatic filter layer 226.Yet the present invention is not limited with above-mentioned.
In the present embodiment, between the first electrode 222a of red picture element unit 220a and the second electrode 222b etc. pitch spacing d3 less than between the first electrode 222a of green picture element unit 240a and the second electrode 222b etc. pitch spacing d4.In other words, in the present embodiment, waiting the first less electrode 222a of pitch spacing d3 and the second electrode 222b to drive the long red picture element unit 220a of wavelength, and with etc. larger the first electrode 222a of pitch spacing d4 and the second electrode 222b drive wavelength inferior green picture element unit 240a.
In addition, between the first electrode 222a of green picture element unit 240a and the second electrode 222b etc. pitch spacing d4 less than between the first electrode 222a of blue picture element unit 260a and the second electrode 222b etc. pitch spacing d5.In other words, correspond between the first electrode 222a of red picture element unit 220a and the second electrode 222b etc. pitch spacing d3 less than between the first electrode 222a that corresponds to green pixel electrode and the second electrode 222b etc. pitch spacing d4, and correspond between the first electrode 222a of green picture element unit 240a and the second electrode 222b etc. pitch spacing d4 less than between the first electrode 222a of blue picture element unit 260a and the second electrode 222b etc. pitch spacing d5.That is to say, wait pitch spacing d5 greater than waiting pitch spacing d4, and etc. pitch spacing d4 greater than etc. pitch spacing d3.
Hold above-mentioned, be not limited to this Deng pitch spacing d4 with the relation that waits pitch spacing d5, in another embodiment that does not illustrate, between the first electrode 222a of green picture element unit 240a and the second electrode 222b etc. pitch spacing d4 be equal between the first electrode 222a of blue picture element unit 260a and the second electrode 222b etc. pitch spacing d5.In addition, between the first electrode 222a red picture element unit 220a of the first picture element unit 220() and the second electrode 222b etc. pitch spacing d3 and the second picture element unit 240(green picture element unit 240a) the first electrode 222a and the second electrode 222b between etc. the difference between the pitch spacing d4 more than or equal to 0.2 micron; Among another embodiment, wait pitch spacing d3 and etc. the difference between the pitch spacing d4 more than or equal to 0.5 micron, and less than or equal to 5 microns; In preferred embodiment, wait pitch spacing d3 and etc. the difference between the pitch spacing d4 more than or equal to 0.8 micron, and less than or equal to 1.5 microns, such as wait pitch spacing d3 and etc. the difference between the pitch spacing d4 be about 1 micron.
Refer again to Fig. 5, in the present embodiment, be that the live width w1 with the first electrode 222a and the second electrode 222b is all example mutually, but the live width w1 of the first electrode 222a and the second electrode 222b also can be incomplete same.For instance, the live width of the first electrode 222a that can part is wider, or be that the second electrode 222b live width of part is wider, be familiar with the person skilled in art and can make design alteration to each electrode live width, the demand during with realistic the application.
Fig. 7 is the part sectioned view of the display panel of Fig. 5.As illustrating among Fig. 7, the first electrode 222a and the second electrode 222b are arranged alternately on first substrate 222, and the first electrode 222a and the second electrode 222b be the position at grade.In other words, the present embodiment is to switch (In-Plane Switching take display panel as copline, IPS) display panel of formula is that example describes, and when having a transverse electric field E3 between the first electrode 222a and the second electrode 222b, can drive display medium 228.
In addition, in the present embodiment, display medium 228 has the tropisms (optically isotropic) such as optics when not bestowed an electric field.According to the present embodiment, above-mentioned display medium 228 comprises blue phase liquid crystal, and it is such as being that polymer stabilizing type blue phase liquid crystal (polymer-stabilized blue phase liquid crystals) or polymer stabilizing type etc. are to phase liquid crystal (polymer-stabilized isotropicphase liquid crystals) etc.In the present embodiment, display medium 228 is to see through the formation of electric field and drive, and display medium 228 is changed, so that the effect of display medium 228 performance light valves between the tropism such as optics and optical anisotropy.
Fig. 8 is the driving voltage-penetrance curve map (V-T curves) of the display device of Fig. 1.Please refer to Fig. 8, curve A among Fig. 8, curve B, curve C are respectively the first wavelength light source group 122, second wave length light source group 124, when three-wavelength source group 126 is lit, drive the driving voltage of display medium and the relation curve of penetrance with the identical electrodes spacing.Curve map by Fig. 8 can find out, when driving display medium with the identical electrodes spacing, and the obvious curve of deviation B of curve A and curve C.And if under identical penetrance, the driving voltage of curve A is apparently higher than curve B and curve C.
Then please refer to curve D, curve D is the first wavelength light source group 122 when being lit, and changes with the driving voltage of the electrode drive display medium of less electrode separation and the relation curve of penetrance.Curve A and curve D are compared, can find out that curve D can be more consistent with curve B and curve C when changing with the less electrode drive display medium of electrode separation.Therefore, can be understood by the comparison of the curve A among Fig. 8 and curve D, adopt different electrode separations to change the electric field intensity of electrode, can effectively adjust the relation of driving voltage and penetrance, and can increase penetrance, avoid when high driving voltage, producing the colour cast problem.
From the above, in the embodiment in figure 1, be that the first electrode 112a and the second electrode 112b drive the first wavelength light source group 122, and utilize third electrode 114a and the 4th electrode 114b to drive secondary light source set of wavelengths 124.Because the first spacing d1 between the first electrode 112a and the second electrode 112b is less than the second spacing d2 between third electrode 114a and the 4th electrode 114b, so can improve by this and the situation of colour cast when being adjusted at high driving voltage.
In sum, in the display device of the present invention, utilize the spacing between the Different electrodes group different, producing the electric fields of different sizes, and with the different light source groups of electric field driven of different sizes, with the penetrance of improving display device and the problem of colour cast.In addition, in display panel of the present invention, utilize the spacing between the Different electrodes group different, to produce the electric field of different sizes, and with the different big or small different picture element unit of electric field driven, the effect that can reach the penetrance of improving display panel and improve the colour cast problem equally.
Although the present invention discloses as above with embodiment; so it is not to limit the present invention; have in the technical field under any and usually know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (24)
1. display device comprises:
One display panel comprises:
One first substrate has a plurality of the first electrodes and a plurality of the second electrode that are arranged alternately each other on this first substrate, wherein have one first spacing between each first electrode and adjacent this second electrode;
One second substrate, be positioned at the subtend of this first substrate, have a plurality of third electrodes and a plurality of the 4th electrode that are arranged alternately each other on this second substrate, wherein have one second spacing between each third electrode and adjacent the 4th electrode, and this second spacing and this first spacing are unequal; And
One display medium is between this first substrate and this second substrate;
One light source module is positioned at a side of this display panel, and this light source module comprises one first wavelength light source group, a second wave length light source group and a three-wavelength source group, and this first, second and the three-wavelength source group sequentially light,
Wherein, when this first wavelength light source group of this light source module is lit, drive this display medium by described the first electrode on this first substrate and described the second electrode, and
When this second wave length light source group of this light source module is lit, drive this display medium by the described third electrode on this second substrate and described the 4th electrode.
2. display device according to claim 1, it is characterized in that, when this three-wavelength source group of this light source module is lit, drives this display medium or drive this display medium by the described third electrode on this second substrate and described the 4th electrode by described the first electrode on this first substrate and described the second electrode.
3. display device according to claim 1 is characterized in that, the wavelength of described the first wavelength light source group is greater than the wavelength of described second wave length light source group, and the wavelength of described second wave length light source group is greater than the wavelength of described three-wavelength source group.
4. display device according to claim 3 is characterized in that, this first spacing between each first electrode and adjacent this second electrode is less than this second spacing between each third electrode and adjacent the 4th electrode.
5. display device according to claim 1 is characterized in that, the difference between this first spacing and this second spacing is more than or equal to 0.2 micron.
6. display device according to claim 1 is characterized in that, the difference between this first spacing and this second spacing is more than or equal to 0.5 micron, and less than or equal to 5.0 microns.
7. display device according to claim 1 is characterized in that, the difference between this first spacing and this second spacing is more than or equal to 0.8 micron, and less than or equal to 1.5 microns.
8. display device according to claim 1 is characterized in that, the live width of described the first electrode is identical with the live width of described the second electrode.
9. display device according to claim 1 is characterized in that, the live width of the live width of described the first electrode and described the second electrode is incomplete same.
10. display device according to claim 1, it is characterized in that when this first wavelength light source group of this light source module is lit, having a transverse electric field between described the first electrode on this first substrate and described the second electrode, driving this display medium, and
When this second wave length light source group of this light source module is lit, has a transverse electric field between the described third electrode on this second substrate and described the 4th electrode, to drive this display medium.
11. display device according to claim 1 is characterized in that, this display medium has the tropisms such as optics when not bestowed an electric field.
12. display device according to claim 1 is characterized in that, this first spacing and this second spacing are respectively first-class pitch spacing.
13. a display panel, it has at least one the first picture element unit, at least one the second picture element unit and at least one the 3rd picture element unit, and wherein this first picture element unit, this second picture element unit and the 3rd picture element unit comprise respectively:
One first substrate has a plurality of the first electrodes and a plurality of the second electrode that are arranged alternately each other on this first substrate, wherein have first-class pitch spacing between each first electrode and adjacent this second electrode;
One second substrate is positioned at the subtend of this first substrate;
One chromatic filter layer is positioned on this first substrate or this second substrate; And
One display medium, between this first substrate and this second substrate,
Wherein, between this first electrode of this first picture element unit and this second electrode etc. between this first electrode of pitch spacing and this second picture element unit and this second electrode etc. pitch spacing unequal.
14. display panel according to claim 13, it is characterized in that, this chromatic filter layer has a red filter pattern, a blue filter pattern and a green filter pattern, so that this first picture element unit, this second picture element unit and the 3rd picture element unit are respectively a red picture element unit, a green picture element unit and a blue picture element unit.
15. display panel according to claim 14 is characterized in that, between this first electrode of this redness picture element unit and this second electrode etc. pitch spacing less than between this first electrode of this green picture element unit and this second electrode etc. pitch spacing.
16. display panel according to claim 14 is characterized in that, between this first electrode of this green picture element unit and this second electrode etc. pitch spacing less than between this first electrode of this blueness picture element unit and this second electrode etc. pitch spacing.
17. display panel according to claim 14 is characterized in that, between this first electrode of this green picture element unit and this second electrode etc. pitch spacing equal between this first electrode of this blueness picture element unit and this second electrode etc. pitch spacing.
18. display panel according to claim 13, it is characterized in that, between this first electrode of this first picture element unit and this second electrode etc. between this first electrode of pitch spacing and this second picture element unit and this second electrode etc. the difference between the pitch spacing more than or equal to 0.2 micron.
19. display device according to claim 13, it is characterized in that, between this first electrode of this first picture element unit and this second electrode etc. between this first electrode of pitch spacing and this second picture element unit and this second electrode etc. the difference between the pitch spacing more than or equal to 0.5 micron, and less than or equal to 5.0 microns.
20. display device according to claim 13, it is characterized in that, between this first electrode of this first picture element unit and this second electrode etc. between this first electrode of pitch spacing and this second picture element unit and this second electrode etc. the difference between the pitch spacing more than or equal to 0.8 micron, and less than or equal to 1.5 microns.
21. display panel according to claim 13 is characterized in that, the live width of described the first electrode is identical with the live width of described the second electrode.
22. display panel according to claim 13 is characterized in that, the live width of the live width of described the first electrode and described the second electrode is incomplete same.
23. display panel according to claim 13 is characterized in that, has a transverse electric field between described the first electrode and described the second electrode, to drive this display medium.
24. display panel according to claim 13 is characterized in that, this display medium has the tropisms such as optics when not bestowed an electric field.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101130108A TWI473067B (en) | 2012-08-20 | 2012-08-20 | Display apparatus and display panel |
| TW101130108 | 2012-08-20 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049629.XA Division CN104570516A (en) | 2012-08-20 | 2012-10-12 | Display device and display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102866546A true CN102866546A (en) | 2013-01-09 |
| CN102866546B CN102866546B (en) | 2015-06-10 |
Family
ID=47445499
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210385712.0A Expired - Fee Related CN102866546B (en) | 2012-08-20 | 2012-10-12 | Display device and display panel |
| CN201510049629.XA Pending CN104570516A (en) | 2012-08-20 | 2012-10-12 | Display device and display panel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510049629.XA Pending CN104570516A (en) | 2012-08-20 | 2012-10-12 | Display device and display panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102866546B (en) |
| TW (1) | TWI473067B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937760A (en) * | 2012-07-26 | 2013-02-20 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN103472636A (en) * | 2013-09-06 | 2013-12-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, driving method thereof and display device |
| CN105652533A (en) * | 2016-03-08 | 2016-06-08 | 友达光电股份有限公司 | Display device, operation method of display device, and pixel circuit of display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4922239A (en) * | 1987-02-02 | 1990-05-01 | Hitachi, Ltd. | Multi-shade color liquid crystal display apparatus |
| KR20020091454A (en) * | 2001-05-30 | 2002-12-06 | 주식회사 현대 디스플레이 테크놀로지 | Apparatus for liquid crystal display |
| TW583478B (en) * | 1999-10-21 | 2004-04-11 | Matsushita Electric Ind Co Ltd | Liquid crystal display unit |
| CN1808242A (en) * | 2006-01-26 | 2006-07-26 | 彭冠璋 | Liquid crystal display device and backlight source thereof |
| CN101673007A (en) * | 2008-09-12 | 2010-03-17 | 精工爱普生株式会社 | Liquid crystal device and electronic apparatus |
| CN101718928A (en) * | 2009-12-29 | 2010-06-02 | 友达光电股份有限公司 | Electrode structure, display panel and dsiplay |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI225959B (en) * | 2002-04-19 | 2005-01-01 | Toshiba Corp | Liquid crystal display |
| KR20080021381A (en) * | 2006-09-04 | 2008-03-07 | 엘지.필립스 엘시디 주식회사 | Liquid crystal display |
| EP2077466A1 (en) * | 2008-01-07 | 2009-07-08 | TPO Displays Corp. | Electrode structure for an LCD device |
| JPWO2011101888A1 (en) * | 2010-02-17 | 2013-06-17 | 株式会社東芝 | Liquid crystal display |
| CN101943829B (en) * | 2010-08-11 | 2012-05-16 | 昆山龙腾光电有限公司 | In-plane switching liquid crystal display panel and liquid crystal display |
| CN103176315A (en) * | 2011-12-20 | 2013-06-26 | 群康科技(深圳)有限公司 | Display device and electronic device |
-
2012
- 2012-08-20 TW TW101130108A patent/TWI473067B/en not_active IP Right Cessation
- 2012-10-12 CN CN201210385712.0A patent/CN102866546B/en not_active Expired - Fee Related
- 2012-10-12 CN CN201510049629.XA patent/CN104570516A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4922239A (en) * | 1987-02-02 | 1990-05-01 | Hitachi, Ltd. | Multi-shade color liquid crystal display apparatus |
| TW583478B (en) * | 1999-10-21 | 2004-04-11 | Matsushita Electric Ind Co Ltd | Liquid crystal display unit |
| KR20020091454A (en) * | 2001-05-30 | 2002-12-06 | 주식회사 현대 디스플레이 테크놀로지 | Apparatus for liquid crystal display |
| CN1808242A (en) * | 2006-01-26 | 2006-07-26 | 彭冠璋 | Liquid crystal display device and backlight source thereof |
| CN101673007A (en) * | 2008-09-12 | 2010-03-17 | 精工爱普生株式会社 | Liquid crystal device and electronic apparatus |
| CN101718928A (en) * | 2009-12-29 | 2010-06-02 | 友达光电股份有限公司 | Electrode structure, display panel and dsiplay |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937760A (en) * | 2012-07-26 | 2013-02-20 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN102937760B (en) * | 2012-07-26 | 2015-11-25 | 友达光电股份有限公司 | Liquid crystal display panel |
| CN103472636A (en) * | 2013-09-06 | 2013-12-25 | 京东方科技集团股份有限公司 | Liquid crystal display panel, driving method thereof and display device |
| WO2015032144A1 (en) * | 2013-09-06 | 2015-03-12 | 京东方科技集团股份有限公司 | Liquid crystal display panel, driving method therefor and display device |
| US9430979B2 (en) | 2013-09-06 | 2016-08-30 | Boe Technology Group Co., Ltd. | Liquid crystal display panel, method for driving the same and display device |
| CN105652533A (en) * | 2016-03-08 | 2016-06-08 | 友达光电股份有限公司 | Display device, operation method of display device, and pixel circuit of display device |
| CN105652533B (en) * | 2016-03-08 | 2020-01-10 | 友达光电股份有限公司 | Display device, operation method of display device, and pixel circuit of display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102866546B (en) | 2015-06-10 |
| CN104570516A (en) | 2015-04-29 |
| TWI473067B (en) | 2015-02-11 |
| TW201409452A (en) | 2014-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106019753B (en) | Display device | |
| CN102549487B (en) | Liquid crystal display panel | |
| TWI570495B (en) | Electric field driving display device | |
| US10018881B2 (en) | Fringe-field-switching mode liquid crystal display panel with double-sided electrode structure | |
| CN202285072U (en) | Color filter substrate, array substrate, liquid crystal display panel and display device | |
| US9581852B2 (en) | Color filter substrate, display panel and display device | |
| CN103135294B (en) | Pixel structure of liquid crystal display panel | |
| KR101913244B1 (en) | Display apparatus | |
| US9195100B2 (en) | Array substrate, liquid crystal panel and display device with pixel electrode and common electrode whose projections are overlapped | |
| JP5004691B2 (en) | Pixel electrode structure and pixel electrode repair method | |
| US20120327352A1 (en) | Liquid crystal display apparatus | |
| CN102866546B (en) | Display device and display panel | |
| US20140168590A1 (en) | Liquid crystal display panel | |
| CN102866543A (en) | Pixel unit, array substrate and liquid crystal display device | |
| CN105223726A (en) | Colored filter substrate and method for making and liquid crystal indicator and driving method | |
| CN103064221B (en) | Transparent display device | |
| CN103513478A (en) | Displayer | |
| TWI518414B (en) | Display panel and manufacturing method thereof | |
| US20130148068A1 (en) | Liquid crystal display | |
| CN102385198A (en) | Liquid crystal display (LCD) device and system | |
| CN104122734A (en) | Lens structure | |
| CN107632478A (en) | Curved surface liquid crystal display panel | |
| US9804453B2 (en) | Display device | |
| CN103543565A (en) | Displayer | |
| US9025120B2 (en) | Liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20201012 |