CN104460016A - 3D display panel and 3D liquid crystal display device - Google Patents
3D display panel and 3D liquid crystal display device Download PDFInfo
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- CN104460016A CN104460016A CN201410831599.3A CN201410831599A CN104460016A CN 104460016 A CN104460016 A CN 104460016A CN 201410831599 A CN201410831599 A CN 201410831599A CN 104460016 A CN104460016 A CN 104460016A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 93
- 239000004020 conductor Substances 0.000 claims description 12
- 239000012811 non-conductive material Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 14
- 238000002834 transmittance Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000003792 cranial nerve Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a 3D display panel and a 3D liquid crystal display device, wherein the 3D display panel comprises: the first substrate and the second substrate are oppositely arranged; a common electrode layer between the first substrate and the second substrate; set up in first base plate and deviate from second base plate one side, and the electrically conductive grating layer of being connected with the common electrode layer electricity, electrically conductive grating layer includes shading district and the printing opacity district that sets up along first direction interval. The grating layer is directly arranged on one side of the first substrate, which is deviated from the second plate, so that the base material for manufacturing the slit grating is saved, the manufacturing cost is reduced on the basis of ensuring that the 3D liquid crystal display device realizes the 3D display effect, the thickness of the 3D liquid crystal display device is reduced, and the display effect is also improved. In addition, the grating layer is a conductive grating layer, and the conductive grating layer is electrically connected with the common electrode layer of the 3D liquid crystal display device, so that part of static electricity can be released through the conductive grating layer, and the antistatic capability of the 3D liquid crystal display device is further improved.
Description
Technical Field
The invention relates to the technical field of 3D display, in particular to a 3D display panel and a 3D liquid crystal display device.
Background
When people observe an object, the two eyes are in different horizontal positions, namely, the interpupillary distance exists, so that the entity images observed by the left eye and the right eye are different, parallax exists between the two eyes, and due to the existence of the parallax, the people can perceive the three-dimensional stereo change of the object through the processing of cranial nerves, namely the so-called 3D (three-dimensional) vision principle.
By utilizing the principle, a 3D display technology is developed, wherein the 3D naked eye display technology is the final trend of 3D display, and the existing grating for 3D naked eye display mainly comprises a slit grating and a lenticular grating, wherein, referring to fig. 1, in order to adopt a principle schematic diagram of slit grating display, the slit grating 100 is used as a parallax barrier and is matched with parallax images of left and right eyes to realize three-dimensional display. Based on this, in the existing 3D display panel, the slit grating is usually formed on the surface of a substrate, and then the substrate is attached to the 3D display module, which not only has high cost, but also the increased substrate affects the transmittance of light, thereby affecting the display effect.
Disclosure of Invention
In view of this, the present invention provides a 3D display panel and a 3D liquid crystal display device, and particularly, the technical solution provided by the present invention proposes: a 3D display panel comprising: the first substrate and the second substrate are oppositely arranged; a common electrode layer between the first substrate and the second substrate; the first substrate is arranged on the first substrate, the first substrate is arranged on one side of the second substrate, the first substrate is electrically connected with the common electrode layer, and the conductive grating layer comprises a shading area and a light-transmitting area which are arranged at intervals along a first direction.
Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:
the grating layer is directly arranged on one side of the first substrate, which is far away from the second plate, so that the base material for manufacturing the slit grating is saved, the cost for manufacturing the 3D liquid crystal display device is reduced on the basis of ensuring the 3D liquid crystal display device to realize the 3D display effect, the thickness of the 3D liquid crystal display device is reduced, and the display effect of the 3D liquid crystal display device is also improved. In addition, the grating layer provided by the invention is a conductive grating layer, and the conductive grating layer is electrically connected with the common electrode layer of the 3D liquid crystal display device, so that part of static electricity can be released through the conductive grating layer, and the antistatic capability of the 3D liquid crystal display device is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a slit grating display;
fig. 2 is a schematic structural diagram of a 3D display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another 3D display panel according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another 3D display panel according to an embodiment of the present invention;
fig. 5a is a schematic structural diagram of a conductive grating layer according to an embodiment of the present invention;
fig. 5b is a schematic structural diagram of another conductive grating layer according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a 3D liquid crystal display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As background art, in the conventional 3D display panel, the slit grating is usually formed on the surface of a substrate, and then the substrate is attached to the 3D display module, which is not only costly, but also the increased substrate affects the transmittance of light, thereby affecting the display effect.
Based on this, the 3D display panel provided by the embodiment of the present invention is described in detail with reference to fig. 2 to fig. 5b, and for clarity, the electrical connection between the conductive grating layer 4 and the common electrode layer 3 in fig. 2, fig. 3 and fig. 4 is represented by a connection line. In practical applications, the conductive grating layer and the common electrode layer may be electrically connected by a wire or a conductive adhesive, and the like, which is not particularly limited.
Referring to fig. 2, a schematic structural diagram of a 3D display panel according to an embodiment of the present invention is provided, where the 3D display panel includes a first substrate 1 and a second substrate 2 that are disposed opposite to each other, a common electrode layer 3 is disposed between the first substrate 1 and the second substrate 2 and on a side of the first substrate 1 that is away from the second substrate 2, and a conductive grating layer 4 is electrically connected to the common electrode layer 3, and the conductive grating layer 4 includes a light shielding region 41 and a light transmitting region 42 that are disposed at an interval along a first direction X.
Specifically, in the 3D display panel provided in the embodiment of the present invention, the common electrode layer may be formed on the color film substrate or on the array substrate, so that the first substrate provided in the embodiment of the present invention may be the array substrate, and the second electrode plate is the color film substrate; alternatively, the first substrate provided in the embodiment of the present invention may be a color film substrate, and the second electrode plate is an array substrate, which is not limited in particular.
And when the common electrode layer is located on the array substrate, the pixel electrode layer in the 3D display panel may be located between the array substrate and the common electrode layer and insulated from the common electrode layer, or the pixel electrode layer is located on a side of the common electrode layer away from the array substrate and insulated from the common electrode layer.
As can be seen from the above, the conductive grating layer provided in the embodiment of the present invention does not include a substrate for supporting, and the conductive grating layer provided in the embodiment of the present invention is directly formed on the surface of the first substrate away from the second substrate, so that the 3D display panel provided in the embodiment of the present invention has many advantages, such as low cost, high display effect, and thin thickness.
In addition, the conductive grating layer provided by the embodiment of the invention can be directly formed on the surface of the first substrate and also can be directly formed on the surface of the polarizer. Based on the 3D display panel structure provided in fig. 2, the 3D display surface provided in the embodiment of the present invention further includes a polarizer located on a side of the first substrate away from the second substrate. Specifically, referring to fig. 3, a structural schematic diagram of another 3D display panel provided in the embodiment of the present invention is shown, where the 3D display panel includes a first substrate 1 and a second substrate 2 that are disposed opposite to each other, a common electrode layer 3 is disposed between the first substrate 1 and the second substrate 2, a conductive grating layer 4 that is disposed on a side of the first substrate 1 away from the second substrate 2 and electrically connected to the common electrode layer 3, and the conductive grating layer 4 includes a light shielding region 41 and a light transmitting region 42 that are disposed at an interval along the first direction X.
In addition, the 3D display panel further includes: the first polarizer 5 is arranged on one side, away from the second substrate 2, of the first substrate 1, and the conductive grating layer 4 is arranged between the first substrate 1 and the first polarizer 5.
In the 3D display panel structure corresponding to fig. 3 of the present invention, the common electrode layer may be formed on the color filter substrate or on the array substrate, which is the same as the 3D display panel structure provided in the embodiment corresponding to fig. 2, so that the first substrate provided in the embodiment of the present invention may be the array substrate, and the second electrode plate is the color filter substrate; alternatively, the first substrate provided in the embodiment of the present invention may be a color film substrate, and the second electrode plate is an array substrate, which is not limited in particular.
And when the common electrode layer is located on the array substrate, the pixel electrode layer in the 3D display panel may be located between the array substrate and the common electrode layer and insulated from the common electrode layer, or the pixel electrode layer is located on a side of the common electrode layer away from the array substrate and insulated from the common electrode layer.
In addition, for the 3D display panel structure corresponding to fig. 3 of the present invention, the conductive grating layer may be directly formed on the surface of the first substrate on the side away from the second substrate, or may be directly formed on the surface of the first polarizer on the side toward the first substrate.
Corresponding to the 3D display panel provided in any of the above embodiments, the conductive grating layer provided in the embodiment of the present invention includes a light-shielding region and a light-transmitting region that are disposed at an interval along a first direction; wherein, the shading area is a strip shading area, and the light transmission area is a strip light transmission area. At this time, the conductive grating layer provided by the embodiment of the present invention should satisfy:
P＝2*m*E/(E-m)
and P is the sum of the widths of the adjacent strip-shaped shading areas and the strip-shaped light transmission areas, m is the width of any pixel of the 3D display module, and E is the distance between two eyes.
Specifically, based on the structure of the 3D display panel provided in fig. 2, referring to fig. 4, a schematic structural diagram of another 3D display panel provided in an embodiment of the present invention is shown, wherein the first substrate 1 is a color filter substrate, the second substrate 2 is an array substrate, and the common electrode layer 3 is disposed on one side of the first substrate 1 facing the second electrode plate; the 3D display panel provided by the embodiment of the invention includes the pixel electrode layer 6, wherein the pixel electrode layer 6 is disposed on the surface of the second substrate 2 facing the first substrate 1, and the width of each pixel in the pixel electrode layer 6 is the same. The conductive grating layer 4 provided by the embodiment of the present invention is located on the surface of the first substrate 1 on the side away from the second substrate 2, the light-shielding region 41 and the light-transmitting region 42 are both in the shape of a bar, and the conductive grating layer 4 satisfies the following conditions:
P＝2*m*E/(E-m)
each parameter is as shown in fig. 4, P is the sum of the widths of the adjacent strip-shaped shading area and the strip-shaped light-transmitting area, m is the width of any pixel of the 3D display module, and E is the binocular spacing.
In any of the above embodiments, the grating layer provided by the present invention is a conductive grating layer, and the conductive grating layer is electrically connected to the common electrode layer. Therefore, the light-shielding region of the conductive grating layer and/or the light-transmitting region of the conductive grating layer are conductive layers, that is, for the conductive grating layer, at least one type of region is conductive, that is, only the light-shielding region is a conductive layer, or only the light-transmitting region is a conductive layer, or both the light-shielding region and the light-transmitting region are conductive layers, which is not limited in the embodiments of the present invention.
Specifically, when the light-shielding region provided by the embodiment of the present invention is a conductive layer:
in the conductive grating layer, when the shading area is a conductive layer, the shading area of the conductive grating layer is made of a first conductive material, and the first conductive material is metal; in addition, in other embodiments of the present invention, the first conductive material may also be other materials besides metal, as long as the first conductive material is opaque and conductive, and the embodiment of the present invention is not particularly limited. The conductive grating layer comprises a shading area and a light transmitting area which are arranged along a first direction, wherein the shading area is a conductive layer with shading and conductive functions, and the light transmitting area can be directly arranged as a hollow area or made of a transparent and non-conductive material; or,
further, when the shading area is a conductive layer, the light-transmitting area can also be a conductive layer, so that the conductive area of the conductive grating layer is increased, and the antistatic capability of the 3D display panel is further improved, wherein the light-transmitting area of the conductive grating layer is made of a second conductive material, and the second conductive material is indium tin oxide or nano silver; similarly, in other embodiments of the present invention, the second conductive material may also be other materials as long as the material is transparent and conductive, and the embodiment of the present invention is not particularly limited.
When the shading areas are conducting layers, each shading area in the conducting grating layer can be electrically connected with the public electrode layer independently, and further, all the shading areas are electrically communicated with each other and then are electrically connected with the public electrode layer as a conducting whole, namely, at least one side end part of each shading area of the conducting grating layer is electrically connected together. Referring to fig. 5a specifically, a schematic structural diagram of another conductive grating layer provided in the embodiment of the present invention is shown, wherein the conductive grating layer 4 includes a light-shielding region 41 and a light-transmitting region 42, and one side end portions of all the light-shielding regions 41 in the conductive grating layer 4 are electrically connected together; alternatively, referring to fig. 5b, a schematic structural diagram of another conductive grating layer provided in the embodiment of the present invention is shown, where the conductive grating layer 4 includes a light-shielding region 41 and a light-transmitting region 42, and both side ends of all the light-shielding regions 41 in the conductive grating layer 4 are electrically connected together; or, the end parts of any one side of two adjacent light-shielding areas in the conductive grating layer are electrically connected together, and the end parts of the other adjacent light-shielding areas are electrically connected together at the other side. In other embodiments of the present invention, other electrical connections may be adopted, and the present invention is not limited thereto. In addition, when the light-transmitting area is a conductive layer, the light-transmitting area is electrically connected with the shading area, and the whole conductive grating layer is integrated through the electrical connection between the shading areas.
In addition, when the shading region in the conductive grating layer provided by the embodiment of the present invention is a non-conductive layer:
in the conductive grating layer, when the shading area is a non-conductive layer, namely the shading area of the conductive grating layer is a non-conductive material, and the non-conductive material is ink; in addition, in other embodiments of the present invention, the non-conductive material may be other materials besides the ink, as long as the non-conductive material is opaque and non-conductive, and the present invention is not limited in particular. Since the light-shielding region is a non-conductive layer, the light-transmitting region in the conductive grating layer must be a conductive layer, wherein the light-transmitting region of the conductive grating layer is made of a third conductive material, and the third conductive material is indium tin oxide or nano silver.
When the light-transmitting area is the conducting layer, each light-transmitting area in the conducting grating layer can be independently electrically connected with the public electrode layer, and further, all the light-transmitting areas are electrically communicated with each other and then are electrically connected with the public electrode layer as a conducting whole, namely, at least one side end part of the light-transmitting area of the conducting grating layer is electrically connected together. Wherein, one side end parts of all the light transmission areas in the conductive grating layer are electrically connected together; or the end parts of the two sides of all the light-transmitting areas in the conductive grating layer are electrically connected together; or, the end parts of any one side of two adjacent light-transmitting areas in the conductive grating layer are electrically connected together, and the end parts of the other adjacent light-transmitting areas are electrically connected together at the other side. In other embodiments of the present invention, other electrical connections may be adopted, and the present invention is not limited thereto.
Correspondingly, an embodiment of the present invention further provides a 3D liquid crystal display device, and as shown in fig. 6, is a schematic structural diagram of the 3D liquid crystal display device provided in the embodiment of the present invention, where the 3D liquid crystal display device includes the 3D display panel 10 provided in any one of the embodiments and the backlight module 20 disposed on one side of the 3D display panel 10. Alternatively, the backlight module may be a CCFL (Cold cathode fluorescent Lamp) backlight module or an LED (Light Emitting Diode) backlight module, which is not limited in particular.
The embodiment of the invention provides a 3D display panel and a 3D liquid crystal display device, wherein the 3D display panel comprises a first substrate and a second substrate which are oppositely arranged, and a common electrode layer is arranged between the first substrate and the second substrate; set up in first base plate and deviate from second base plate one side, and the electrically conductive grating layer of being connected with the common electrode layer electricity, electrically conductive grating layer includes shading district and the printing opacity district that sets up along first direction interval.
As can be seen from the above, in the technical scheme provided by the embodiment of the invention, the grating layer is directly arranged on the side of the first substrate away from the second plate, so that the base material for manufacturing the slit grating is saved, the cost for manufacturing the 3D liquid crystal display device is reduced on the basis of ensuring that the 3D liquid crystal display device realizes the 3D display effect, the thickness of the 3D liquid crystal display device is reduced, and the display effect of the 3D liquid crystal display device is also improved. In addition, the grating layer provided by the embodiment of the invention is a conductive grating layer, and the conductive grating layer is electrically connected with the common electrode layer of the 3D liquid crystal display device, so that part of static electricity can be released through the conductive grating layer, and the antistatic capability of the 3D liquid crystal display device is further improved.
Claims (12)
1. A3D display panel, comprising:
the first substrate and the second substrate are oppositely arranged;
a common electrode layer between the first substrate and the second substrate;
the first substrate is arranged on the first substrate, the first substrate is arranged on one side of the second substrate, the first substrate is electrically connected with the common electrode layer, and the conductive grating layer comprises a shading area and a light-transmitting area which are arranged at intervals along a first direction.
2. The 3D display panel according to claim 1, wherein the 3D display panel further comprises: the first polaroid is arranged on one side, away from the second substrate, of the first substrate, and the conductive grating layer is arranged between the first substrate and the first polaroid.
3. The 3D display panel according to claim 1, wherein the light-shielding regions are stripe-shaped light-shielding regions, and the light-transmitting regions are stripe-shaped light-transmitting regions.
4. The 3D display module panel of claim 3, wherein the conductive grating layer satisfies:
P＝2*m*E/(E-m)
and P is the sum of the widths of the adjacent strip-shaped shading areas and the strip-shaped light transmission areas, m is the width of any pixel of the 3D display module, and E is the distance between two eyes.
5. The 3D display panel according to claim 1, wherein the light-shielding region of the conductive grating layer and/or the light-transmitting region of the conductive grating layer is a conductive layer.
6. The 3D display panel according to claim 5, wherein the light-shielding region of the conductive grating layer is a metal conductive material.
7. The 3D display panel according to claim 6, wherein the light-transmitting region of the conductive grating layer is indium tin oxide or nano-silver conductive material.
8. The 3D display panel according to claim 6, wherein at least one side end portions of the light-shielding regions of the conductive grating layer are electrically connected together.
9. The 3D display panel according to claim 5, wherein the light-shielding region of the conductive grating layer is a non-conductive material, and the non-conductive material is ink.
10. The 3D display panel according to claim 9, wherein the light-transmitting region of the conductive grating layer is an indium tin oxide or nano-silver conductive material.
11. The 3D display panel of claim 10, wherein at least one side end of the light-transmitting regions of the conductive grating layer are electrically connected together.
12. A3D liquid crystal display device, comprising the 3D display panel according to any one of claims 1 to 11 and a backlight module disposed on one side of the 3D display panel.
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| CN201410831599.3A CN104460016B (en) | 2014-12-23 | 2014-12-23 | 3D display panel and 3D liquid crystal display device |
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| CN201410831599.3A CN104460016B (en) | 2014-12-23 | 2014-12-23 | 3D display panel and 3D liquid crystal display device |
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| CN106842691A (en) * | 2017-03-31 | 2017-06-13 | 成都京东方光电科技有限公司 | A kind of liquid crystal display panel and preparation method, display device |
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| CN106950630A (en) * | 2017-05-22 | 2017-07-14 | 京东方科技集团股份有限公司 | A kind of grating and 3 d display device |
| CN106950630B (en) * | 2017-05-22 | 2019-10-01 | 京东方科技集团股份有限公司 | A kind of grating and 3 d display device |
| WO2019019634A1 (en) * | 2017-07-27 | 2019-01-31 | 京东方科技集团股份有限公司 | 3d display device and method for preparing same |
| CN109307946A (en) * | 2017-07-27 | 2019-02-05 | 京东方科技集团股份有限公司 | A kind of display device and preparation method thereof |
| CN109307946B (en) * | 2017-07-27 | 2020-12-04 | 京东方科技集团股份有限公司 | Display device and preparation method thereof |
| US11409153B2 (en) | 2017-07-27 | 2022-08-09 | Beijing Boe Display Technology Co., Ltd. | 3D device and manufacturing method thereof |
| CN111474799A (en) * | 2020-05-15 | 2020-07-31 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
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| CN104460016B (en) | 2017-08-08 |
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