CN109521598B - Display panel and display device - Google Patents
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- CN109521598B CN109521598B CN201811528681.3A CN201811528681A CN109521598B CN 109521598 B CN109521598 B CN 109521598B CN 201811528681 A CN201811528681 A CN 201811528681A CN 109521598 B CN109521598 B CN 109521598B
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- 239000000758 substrate Substances 0.000 claims abstract description 84
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000007769 metal material Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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
- G02F1/133553—Reflecting elements
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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
-
- 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
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
-
- 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
- G02F1/133528—Polarisers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
-
- 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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein a plurality of pixel units are formed on the second substrate, the pixel units comprise a plurality of first pixel units and a plurality of second pixel units, the first pixel units and the second pixel units are alternately arranged, the display panel further comprises an optical direction layer, the optical direction layer is arranged on one side, away from the liquid crystal layer, of the first substrate, the optical direction layer comprises a plurality of first reflecting surfaces and a plurality of second reflecting surfaces, the first reflecting surfaces are used for reflecting light emitted from the first pixel units towards the first direction, and the second reflecting surfaces are used for reflecting light emitted from the second pixel units towards the second direction. The display device comprises the display panel. According to the display panel and the display device, the light emitted by the light emitted from the first substrate can be transmitted to the left and right fields which are completely independent through the optical direction layer, so that the same display panel can display different images at the same time, and the cost is saved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
A thin film transistor liquid crystal display panel (TFT-LCD) has advantages of good picture quality, small volume, light weight, low driving voltage, low power consumption, no radiation, and relatively low manufacturing cost, and is dominant in the field of flat panel display.
The liquid crystal display panel is widely applied to consumer electronics and automobiles, and the current liquid crystal display panel can only display a single image. In an automobile, a driver generally needs one display panel to display a navigation map, a reversing radar and the like, and passengers need one display panel as an entertainment facility to watch movies and the like, so that two liquid crystal display panels are needed, and the cost is greatly increased.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a display panel and a display device, which can simultaneously display two different display images and reduce the cost.
The invention provides a display panel, which comprises a first substrate, a second substrate arranged opposite to the first substrate and a liquid crystal layer positioned between the first substrate and the second substrate, wherein a plurality of pixel units are limited and formed on the second substrate by scanning lines and data lines, the plurality of pixel units comprise a plurality of first pixel units and a plurality of second pixel units, the first pixel units and the second pixel units are alternately arranged, the display panel also comprises an optical direction layer, the optical direction layer is arranged on one side of the first substrate far away from the liquid crystal layer, the optical direction layer comprises a plurality of first reflection surfaces and a plurality of second reflection surfaces, the first reflection surfaces are used for reflecting light rays emitted from the first pixel units in a first direction, and the second reflection surfaces are used for reflecting light rays emitted from the second pixel units in a second direction.
Furthermore, the first substrate comprises a first substrate and a color resistance layer arranged on the first substrate, the color resistance layer comprises a plurality of blue color resistances, red color resistances and green color resistances, the blue color resistances, the red color resistances and the green color resistances are arranged at intervals, and the plurality of pixel units are arranged in one-to-one correspondence with the color resistances.
Further, the light direction layer comprises a plurality of first reflecting mirrors and a plurality of second reflecting mirrors, the first reflecting surfaces and the second reflecting surfaces are respectively arranged on one sides of the first reflecting mirrors and the second reflecting mirrors facing the first substrate, the first reflecting mirrors and the second reflecting mirrors are alternately arranged, and the first reflecting surfaces and the second reflecting surfaces are arranged in a back-to-back mode.
Further, the first reflector and the second reflector are inclined at a certain angle relative to the first substrate.
Further, the optical direction layer includes a plurality of first prisms and second prisms, the first reflection surfaces and the second reflection surfaces are respectively disposed on the first prisms and the second prisms at a side facing away from the first substrate, the first prisms and the second prisms are alternately disposed, and the first reflection surfaces and the second reflection surfaces are disposed facing away from the first substrate.
Furthermore, the first reflecting surface and the second reflecting surface are inclined at a certain angle relative to the first substrate, the inclination angle of the first reflecting surface relative to the first substrate is A, and the inclination angle of the second reflecting surface relative to the first substrate is (180-A).
Further, the optical direction layer comprises a plurality of third prisms, the first reflecting surface and the second reflecting surface are respectively arranged on two side surfaces of the third prisms, the plurality of first reflecting surfaces and the plurality of second reflecting surfaces are alternately arranged, and microstructures are arranged on the first reflecting surfaces and the second reflecting surfaces.
Further, the microstructure is a wire grid.
Furthermore, each pixel unit is internally provided with a switch element; the display panel further comprises a control circuit, the control circuit comprises a first signal source, a second signal source and a control module, the control module comprises a double-view-angle signal receiving unit, a time sequence control unit and a pixel distribution unit, the first signal source and the second signal source are used for respectively sending out a first signal and a second signal and transmitting the first signal and the second signal to the double-view-angle signal receiving unit, the double-view-angle signal receiving unit transmits the first signal and the second signal to the time sequence control unit and the pixel distribution unit, the time sequence control unit and the pixel distribution unit transmit the first signal and the second signal to the second substrate after converting the first signal and the second signal, the first signal is transmitted to a switch element in the first pixel unit, and the second signal is transmitted to a switch element in the second pixel unit.
The invention also provides a display panel, which comprises the display panel and the backlight module, wherein the backlight module is arranged on one side of the second substrate, which is far away from the liquid crystal layer.
According to the display panel and the display device, the light emitted by the light emitted from the first substrate can be transmitted to the left and right fields which are completely independent through the optical direction layer, so that the same display panel can display different images at the same time, and the cost is saved. In addition, because the optical direction layer is arranged on the outer side of the first substrate, the angle of the light rays is changed after the light rays vertically penetrate out of the first substrate, and the phenomena of light leakage, color mixing and the like are avoided. Meanwhile, the light only needs to be reflected once, the light utilization rate is high, and the light path is uniform and is not easy to generate stripes.
Brief description of the drawings
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the invention.
Fig. 2 is a schematic diagram illustrating a positional relationship between a color resist layer and an optical direction layer of the display panel in fig. 1.
Fig. 3 is a block diagram of a control circuit of the display panel of fig. 1.
Fig. 4 is a schematic structural diagram of a display panel according to a second embodiment of the invention.
Fig. 5 is a schematic structural diagram of a display panel according to a third embodiment of the invention.
Fig. 6 is a schematic structural diagram of a display device according to an embodiment of the invention.
Preferred embodiments of the invention
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
First embodiment
Referring to fig. 1, a display panel according to a first embodiment of the present invention includes a first substrate 10, a second substrate 30 disposed opposite to the first substrate 10, and a liquid crystal layer 50 disposed between the first substrate 10 and the second substrate 30. The first substrate 10 includes a first substrate 11, and a color resist layer 12 and a light-shielding layer 14 provided on the first substrate 11. The second substrate 30 includes a second substrate 31, and a common electrode 32, an insulating layer 34, and a pixel electrode 36 provided on the first substrate 31, the insulating layer 34 being provided between the common electrode 32 and the pixel electrode 36. The second substrate 30 is defined by scan lines (not shown) and data lines (not shown) to form a plurality of pixel units P, and each pixel unit P is provided with a switching element (not shown), such as a thin film transistor. The plurality of pixel units P includes a plurality of first pixel units P1 and a plurality of second pixel units P2, and the first pixel units P1 and the second pixel units P2 are alternately arranged. The display panel further comprises an optical direction layer 70, the optical direction layer 70 being provided on a side of the first substrate 10 remote from the liquid crystal layer 50. The optical direction layer 70 includes a plurality of first reflection surfaces 72 for reflecting the light emitted from the first pixel cell P1 in a first direction, and a plurality of second reflection surfaces 74 for reflecting the light emitted from the second pixel cell P2 in a second direction.
In this embodiment, the light-shielding layer 14 is a black matrix, and the black matrix is disposed between two adjacent pixel units P.
In this embodiment, the color resist layer 12 includes a plurality of blue color resists, red color resists and green color resists, the blue color resists, the red color resists and the green color resists are disposed at intervals, and the plurality of pixel units P are disposed in one-to-one correspondence with the color resists. As shown in fig. 2, one pixel corresponds to three color resistors, i.e., a blue photoresist, a red photoresist and a green photoresist, the three color resistors R1, B1 and G1 of the first pixel and the three color resistors R2, B2 and G2 of the second pixel are alternately arranged, the three color resistors R1, B1 and G1 of the first pixel are arranged corresponding to the first pixel unit P1, and the three color resistors R2, B2 and G2 of the second pixel are arranged corresponding to the second pixel unit P2.
In this embodiment, the display panel further includes an upper polarizer 81 and a lower polarizer 83, the upper polarizer 81 is disposed between the light direction layer 70 and the first substrate 10, and the lower polarizer 83 is disposed on a side of the second substrate 30 away from the liquid crystal layer 50.
In this embodiment, the light direction layer 70 includes a plurality of first reflectors and a plurality of second reflectors, and the first reflective surfaces 72 and the second reflective surfaces 74 are respectively disposed on the sides of the first reflectors and the second reflectors facing the first substrate 10. The first and second mirrors are alternately arranged, and the first and second reflecting surfaces 72 and 74 are oppositely arranged.
In this embodiment, the first and second reflecting mirrors are inclined at a certain angle with respect to the first substrate 10. Specifically, the first and second reflecting mirrors are inclined at 112.5 ° and 67.5 ° with respect to the first substrate 10, respectively, so that the light reflected by the first and second reflecting surfaces 72 and 74 is emitted at 135 ° and 45 ° with respect to the first substrate 10.
In this embodiment, the first and second mirrors are covered with a metal material to form the first and second reflecting surfaces 72 and 74. Specifically, the metal material may be aluminum.
As shown in fig. 3, the display panel further includes a control circuit, the control circuit includes a first signal source 91, a second signal source 92 and a control module 94, the control module 94 includes a dual-view signal receiving unit 942, a timing control unit 944 and a pixel distribution unit 946, the first signal source 91 and the second signal source 92 are configured to respectively emit a first signal and a second signal and transmit the first signal and the second signal to the dual-view signal receiving unit 942, the dual-view signal receiving unit 942 transmits the first signal and the second signal to the timing control unit 944 and the pixel distribution unit 946, the timing control unit 944 and the pixel distribution unit 946 convert the first signal and the second signal and transmit the first signal and the second signal to the second substrate 30, and transmit the first signal to a switching element in the first pixel unit, and transmit the second signal to a switching element in the second pixel unit.
In the display panel, the light emitted by the light emitted from the first substrate 10 can be transmitted to the left and right fields which are completely independent through the optical direction layer 70, so that the same display panel can simultaneously display different images, and the cost is saved. Moreover, since the optical direction layer 70 is disposed outside the first substrate 10, the light rays perpendicularly exit the first substrate 10 and then change the angle, thereby avoiding the occurrence of light leakage, color mixing and other phenomena. Meanwhile, the light only needs to be reflected once, the light utilization rate is high, and the light path is uniform and is not easy to generate stripes.
Second embodiment
Referring to fig. 4, a display panel according to a second embodiment of the present invention is different from the first embodiment in that in the present embodiment, the optical direction layer 70 includes a plurality of first prisms 76 and second prisms 77, and the first reflection surfaces 72 and the second reflection surfaces 74 are respectively disposed on the first prisms 76 and the second prisms 77 at a side facing away from the first substrate 10. The first prisms 76 and the second prisms 77 are alternately disposed, and the first reflection surfaces 72 and the second reflection surfaces 74 are oppositely disposed.
In this embodiment, the first reflective surface 72 and the second reflective surface 74 are inclined at a certain angle with respect to the first substrate 10, the inclination angle of the first reflective surface 72 with respect to the first substrate 10 is a, and the inclination angle of the second reflective surface 74 with respect to the first substrate 10 is (180 ° -a). Specifically, the first prism 76 and the second prism 77 are triangular prisms, one side surface of which is disposed in parallel with the first substrate 10, and three apex angles of the triangular prism cross section are 50 °, and 80 °, respectively, the apex angle opposite to the first substrate 10 is 50 °, and the apex angle opposite to the first reflection surface 72 and the second reflection surface 74 is 80 °. The light is emitted perpendicularly from the first substrate 10 and then emitted toward the first reflection surface 72 and the second reflection surface 74, the light is totally reflected by the first reflection surface 72 and the second reflection surface 74, and the light is emitted in two different directions after being reflected.
In the present embodiment, the first prism 76 and the second prism 77 are made of glass.
In the display panel, the light emitted by the light emitted from the first substrate 10 can be transmitted to the left and right fields which are completely independent through the optical direction layer 70, so that the same display panel can simultaneously display different images, and the cost is saved. Moreover, since the optical direction layer 70 is disposed outside the first substrate 10, the light rays perpendicularly exit the first substrate 10 and then change the angle, thereby avoiding the occurrence of light leakage, color mixing and other phenomena. Meanwhile, light only needs to be reflected once, the light utilization rate is high, and the light path is uniform and is not easy to generate interference fringes.
Third embodiment
Referring to fig. 5, a display panel according to a third embodiment of the present invention is different from the first embodiment in that in the present embodiment, the optical direction layer 70 includes a plurality of third prisms 79, the first reflective surfaces 72 and the second reflective surfaces 74 are respectively disposed on two side surfaces of the third prisms 79, the plurality of first reflective surfaces 72 and the plurality of second reflective surfaces 74 are alternately disposed, and the first reflective surfaces 72 and the second reflective surfaces 74 are both provided with microstructures 792. In particular, the microstructures 792 can be wire grids. The wire height of the wire grid may be 5 microns and the period may be 5 microns.
In this embodiment, the microstructure 792 may be a metal wire grid formed on the third prisms 79 by using a metal material, or may be a concave wire grid formed on the third prisms 79 by a nanoimprint method. Specifically, the metal material forming the metal wire grid may be aluminum.
In this embodiment, the third prism 79 is a triangular prism, the first reflection surface 72 and the second reflection surface 74 of the triangular prism are adjacent to the first substrate 10, and the vertex angle between the first reflection surface 72 and the second reflection surface 74 is opposite to the first substrate 10. Specifically, the section of the triangular prism is an isosceles right triangle, and the first reflecting surface 72 and the second reflecting surface 74 are arranged on the right-angled sides of the isosceles right triangle.
In this embodiment, the third prism 79 is made of glass.
In the display panel, the light emitted by the light emitted from the first substrate 10 can be transmitted to the left and right fields which are completely independent through the optical direction layer 70, so that the same display panel can simultaneously display different images, and the cost is saved. Moreover, since the optical direction layer 70 is disposed outside the first substrate 10, the light rays perpendicularly exit the first substrate 10 and then change the angle, thereby avoiding the occurrence of light leakage, color mixing and other phenomena. Meanwhile, light only needs to be reflected once, the light utilization rate is high, and the light path is uniform and is not easy to generate interference fringes.
Fourth embodiment
As shown in fig. 6, the present invention further provides a display device, which includes any one of the display panels and the backlight module 100, wherein the backlight module 100 is disposed on a side of the second substrate 30 away from the liquid crystal layer 50.
In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.
In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the ordinal adjectives "first", "second", etc., used to describe an element are merely to distinguish between similar elements and do not imply that the elements so described must be in a given sequence, either temporally, spatially, in ranking, or in any other manner.
As used herein, the meaning of "a plurality" or "a plurality" is two or more unless otherwise specified.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Industrial applicability
According to the display panel and the display device provided by the embodiment of the invention, the light emitted by the optics emitted from the first substrate can be transmitted to the left and right fields which are completely independent through the optical direction layer, so that the same display panel can simultaneously display different images, and the cost is saved. In addition, because the optical direction layer is arranged on the outer side of the first substrate, the angle of the light rays is changed after the light rays vertically penetrate out of the first substrate, and the phenomena of light leakage, color mixing and the like are avoided. Meanwhile, the light only needs to be reflected once, the light utilization rate is high, and the light path is uniform and is not easy to generate stripes.
Claims (5)
1. A display panel comprising a first substrate (10), a second substrate (30) arranged opposite to the first substrate (10), and a liquid crystal layer (50) between the first substrate (10) and the second substrate (30), a plurality of pixel cells (P) being defined by scanning lines and data lines on the second substrate (30), characterized in that the plurality of pixel cells (P) comprises a plurality of first pixel cells (P1) and a plurality of second pixel cells (P2), the first pixel cells (P1) and the second pixel cells (P2) being arranged alternately, the display panel further comprising an optical direction layer (70), the optical direction layer (70) being arranged on a side of the first substrate (10) remote from the liquid crystal layer (50), the optical direction layer (70) comprising a plurality of first reflective surfaces (72) and a plurality of second reflective surfaces (74), the first reflective surfaces (72) being adapted to reflect light rays exiting the first pixel cells (P1) in a direction, the second reflecting surface (74) is used for reflecting the light emitted from the second pixel unit (P2) towards a second direction, the optical direction layer (70) comprises a plurality of third prisms (79), the third prisms (79) are prisms, the first reflecting surface (72) and the second reflecting surface (74) of the prisms are adjacent to the first substrate (10), the vertex angle between the first reflecting surface (72) and the second reflecting surface (74) is opposite to the first substrate (10), the first reflecting surface (72) and the second reflecting surface (74) are respectively arranged on two side surfaces of the third prisms (79), the first reflecting surface (72) and the second reflecting surface (74) are alternately arranged, microstructures (792) are arranged on the first reflecting surface (72) and the second reflecting surface (74), the microstructures (792) are metal grids, and the light emitted from the first pixel unit (P1) passes through the first reflecting surface (72) and the second reflecting surface (792) And then on both sides of the first reflective surface (72), and the light emitted from the second pixel cell (P2) is located on both sides of the second reflective surface (74) before passing through the second reflective surface (74) and after passing through the second reflective surface (74).
2. The display panel according to claim 1, wherein the first substrate (10) comprises a first substrate (11) and a color resist layer (12) disposed on the first substrate (11), the color resist layer (12) comprises a plurality of blue color resists, red color resists and green color resists, the blue color resists, the red color resists and the green color resists are disposed at intervals, and the plurality of pixel units (P) are disposed in one-to-one correspondence with the color resists.
3. The display panel of claim 2, wherein the three color resists of the first pixel are interleaved with the three color resists of the second pixel, the three color resists of the first pixel are disposed corresponding to the first pixel unit (P1), and the three color resists of the second pixel are disposed corresponding to the second pixel unit (P2).
4. A display panel as claimed in claim 1 characterized in that each of the pixel cells (P) is provided with a switching element; the display panel further comprises a control circuit, the control circuit comprises a first signal source (91), a second signal source (92) and a control module (94), the control module (94) comprises a dual-view signal receiving unit (942), a timing control unit (944) and a pixel distribution unit (946), the first signal source (91) and the second signal source (92) are used for respectively emitting a first signal and a second signal and transmitting the first signal and the second signal to the dual-view signal receiving unit (942), the dual-view signal receiving unit (942) transmits the first signal and the second signal to the timing control unit (944) and the pixel distribution unit (946), the timing control unit (944) and the pixel distribution unit (946) convert the first signal and the second signal and transmit the first signal to the second substrate (30) and transmit the first signal to the switching element in the first pixel unit (P1), the second signal is transmitted to a switching element in the second pixel cell (P2).
5. A display device comprising a display panel according to any one of claims 1 to 4 and a backlight module (100), the backlight module (100) being disposed on a side of the second substrate (30) remote from the liquid crystal layer (50).
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| CN201811528681.3A CN109521598B (en) | 2018-12-13 | 2018-12-13 | Display panel and display device |
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| CN201811528681.3A CN109521598B (en) | 2018-12-13 | 2018-12-13 | Display panel and display device |
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| CN111338108B (en) * | 2020-04-08 | 2023-04-18 | 上海天马微电子有限公司 | Display device |
| CN111323962A (en) * | 2020-04-08 | 2020-06-23 | 上海天马微电子有限公司 | Display device |
| CN112071279A (en) * | 2020-09-16 | 2020-12-11 | 昆山龙腾光电股份有限公司 | Display device with switchable single and double viewing angles and control method |
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Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Applicant before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
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