CN114509899B - Display panel and electronic device - Google Patents
Display panel and electronic device Download PDFInfo
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- CN114509899B CN114509899B CN202210137448.2A CN202210137448A CN114509899B CN 114509899 B CN114509899 B CN 114509899B CN 202210137448 A CN202210137448 A CN 202210137448A CN 114509899 B CN114509899 B CN 114509899B
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- 230000000007 visual effect Effects 0.000 abstract description 12
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- 238000002834 transmittance Methods 0.000 description 3
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
- G02F1/133512—Light shielding layers, e.g. black matrix
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Abstract
The application provides a display panel and electronic device, this display panel has first display area and second display area, display panel includes first base plate, the second base plate that sets up relatively with first base plate and a plurality of liquid crystal molecules of setting between first base plate and second base plate, be provided with first electrode and second electrode on the first base plate, form the electric field between second electrode and the first electrode, in order to realize display panel's wide visual angle demonstration, be provided with the third electrode on the second base plate, the third electrode includes the first sub-electrode piece that corresponds first display area setting, form the electric field between first sub-electrode piece and the second electrode that corresponds, in order to realize the narrow visual angle demonstration of first display area, so through the electric field between control first sub-electrode piece and the second electrode in order to realize the wide visual angle switching of first display area, avoid the control position to show the content influence driver's oblique view in the large-scale, in order to alleviate the problem that is unfavorable for safe driving that current vehicle-mounted display device exists.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel and an electronic device.
Background
Along with the development of the vehicle-mounted liquid crystal display device, a multifunctional integrated display device which integrates an original front instrument panel of a driving position and a central control liquid crystal display device is developed. The integration method is to simply integrate two or more independent liquid crystal display devices of the dashboard and the center control position together using a cover plate. However, with the increase of the display size of the central control display device, the display screen influences the strabismus sight of the driver to a certain extent, which is unfavorable for safe driving.
Disclosure of Invention
The application provides a display panel and electronic device to alleviate the technical problem that current on-vehicle display device exists that is unfavorable for safe driving.
In order to solve the problems, the technical scheme provided by the application is as follows:
the embodiment of the application provides a display panel, has first display area and second display area, the display panel includes:
a first substrate on which a first electrode and a second electrode are arranged, which are insulated from each other;
a second substrate arranged opposite to the first substrate, wherein a third electrode is arranged on the second substrate, and the third electrode comprises a first sub-electrode block arranged corresponding to the first display area;
a plurality of liquid crystal molecules disposed between the first substrate and the second substrate;
the second electrode is arranged on one side of the first electrode facing the second substrate so as to form an electric field between the first electrode and the second electrode, and the first electrode and the second electrode are at least arranged in the first display area and the second display area; the first sub-electrode block is disposed opposite to the second electrode in the first display area to form an electric field therebetween.
In the display panel provided by the embodiment of the application, the display panel further comprises a first non-display area, the first substrate is provided with a control terminal and a control circuit corresponding to the first non-display area, and the control circuit is electrically connected with the first sub-electrode block through the control terminal so as to apply voltage to the first sub-electrode block.
In the display panel provided in the embodiment of the present application, the control circuit is a flexible circuit board or a driving IC.
In the display panel provided by the embodiment of the application, the display panel further comprises a sealant arranged between the first substrate and the second substrate and a conductive adhesive arranged on one side, away from the liquid crystal molecules, of the sealant, wherein the sealant surrounds the liquid crystal molecules, and the first sub-electrode block is electrically connected with the control terminal through the conductive adhesive.
In the display panel provided by the embodiment of the application, the display panel further includes a second non-display area disposed between the first display area and the second display area, the first electrode and the second electrode are further disposed in the second non-display area, and an electric field is formed between the first electrode and the second electrode so that the second non-display area is in a normally black mode.
In the display panel provided in the embodiment of the present application, the first substrate includes:
a first substrate;
a plurality of transistors disposed on the first substrate;
the first electrode is arranged on one side of the transistor away from the first substrate;
the second electrode is electrically connected to the transistor.
In the display panel provided by the embodiment of the application, the display panel further comprises a second non-display area arranged between the first display area and the second display area, and the second substrate is provided with a shading layer with a whole design corresponding to the second non-display area.
In the display panel provided in the embodiment of the present application, the second substrate includes:
a second substrate;
the light shielding layer is arranged on one side of the second substrate facing the first substrate, and corresponds to the first display area and the second display area, and a plurality of openings are formed in the first display area and the second display area;
the color film layer is arranged in the opening;
the third electrode is arranged on one side of the second substrate far away from the first substrate.
In the display panel provided by the embodiment of the application, the third electrode further includes a second sub-electrode block, the second sub-electrode block is disposed corresponding to the first display area, and the second sub-electrode block and the first sub-electrode block are disposed at intervals.
The embodiment of the application also provides an electronic device, which comprises the display panel of one of the previous embodiments.
The beneficial effects of this application are: in this application provided display panel and electron device, display panel has first display area and second display area, display panel include first base plate, with the second base plate that first base plate set up relatively and set up first base plate with a plurality of liquid crystal molecules between the second base plate, be provided with first electrode and the second electrode of mutual insulation on the first base plate, the second electrode is located first electrode orientation one side of second base plate is in order to form the electric field between the two, in order to realize display panel's wide viewing angle shows, be provided with the third electrode on the second base plate, the third electrode is including corresponding first sub-electrode piece that first display area set up, first sub-electrode piece with be located first display area the second electrode sets up relatively in order to form the electric field between the two, in order to realize first display area's narrow viewing angle shows, through the control first sub-electrode piece with electric field between the second electrode is in order to realize first display area's wide viewing angle switches over in order to realize, and then has avoided the special viewing angle of driver's of the first display area to have realized that the driver has had the vehicle-mounted visual angle and has been difficult to realize the display device of the major driver's visual angle and has solved the problem of the driver's safety and has been difficult to driver.
Drawings
In order to more clearly illustrate the embodiments or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic top view of a display panel according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of fig. 1 along A-A'.
Fig. 3 is a schematic cross-sectional view of fig. 1 along the direction B-B'.
Fig. 4 is a schematic diagram showing a distribution of contrast ratio of a first display area according to a viewing angle when different voltages are applied to a first sub-electrode block according to an embodiment of the present application.
Fig. 5 is a schematic top view of another display panel according to an embodiment of the present disclosure.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments that can be used to practice the present application. The directional terms mentioned in this application, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., are only referring to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the application and is not intended to be limiting of the application. In the drawings, like elements are designated by like reference numerals. In the drawings, the thickness of some layers and regions are exaggerated for clarity of understanding and ease of description. I.e., the size and thickness of each component shown in the drawings are arbitrarily shown, but the present application is not limited thereto.
Referring to fig. 1 to 3, fig. 1 is a schematic top view of a display panel according to an embodiment of the present disclosure, fig. 2 is a schematic cross-sectional view along A-A 'direction in fig. 1, and fig. 3 is a schematic cross-sectional view along B-B' direction in fig. 1. The display panel 100 is a liquid crystal display panel, and the display panel 100 has a first display area AA1 and a second display area AA2, where the first display area AA1 and the second display area AA2 are respectively used for displaying pictures with different functions, for example, in a vehicle-mounted system, the first display area AA1 is used as a central control display area for displaying played audio information and the like, and the second display area AA2 is used as an instrument display area for displaying navigation pictures and the like.
Specifically, the display panel 100 includes a first substrate 10, a second substrate 20 disposed opposite to the first substrate 10, and a plurality of liquid crystal molecules 30 disposed between the first substrate 10 and the second substrate 20. The first substrate 10 is provided with a first electrode 11 and a second electrode 12 which are insulated from each other, and the first electrode 11 and the second electrode 12 are at least arranged in the first display area AA1 and the second display area AA2. And the second electrode 12 is disposed at a side of the first electrode 11 facing the second substrate 20 to form an electric field therebetween for controlling deflection of the liquid crystal molecules 30 of the corresponding region. The second substrate 20 is provided with a third electrode 21, the third electrode 21 includes a first sub-electrode block 211 disposed corresponding to the first display area AA1, and the first sub-electrode block 211 is disposed opposite to the second electrode 12 disposed in the first display area AA1 to form an electric field therebetween, so as to control the switching of the viewing angle of the first display area AA1, so that the first display area AA1 is switched between a wide viewing angle and a narrow viewing angle.
The first substrate 10 includes a first substrate 13 and a plurality of transistors 14 provided on the first substrate 13. Optionally, the first substrate 13 includes a glass substrate, a plastic substrate, and the like, and the transistor 14 includes a conventional thin film transistor, for example, the transistor 14 may include an active layer, a gate electrode, a source drain electrode, a drain electrode, and the like, which are not described herein. The first electrode 11 is disposed on a side of the transistor 14 away from the first substrate 13, the first electrode 11 is disposed on the whole surface, and a first insulating layer 15 is further disposed between the first electrode 11 and the transistor 14, so that the first electrode 11 and the transistor 14 are insulated from each other.
The second electrode 12 is disposed on a side of the first electrode 11 away from the transistor 14, the second electrode 12 is a patterned electrode pattern, and a second insulating layer 16 is further disposed between the second electrode 12 and the first electrode 11 to insulate the second electrode 12 and the first electrode 11 from each other. Each of the second electrodes 12 corresponds to one of the transistors 14, and each of the second electrodes 12 is electrically connected to the corresponding transistor 14, so that the transistor 14 can control the corresponding second electrode 12 to provide a driving voltage to the corresponding second electrode 12, so that an electric field is formed between the second electrode 12 and the first electrode 11, and further control the liquid crystal molecules 30 in the corresponding region to deflect, so that the wide viewing angle display of the first display area AA1 and the second display area AA2 is achieved. Optionally, the materials of the second electrode 12 and the first electrode 11 are the same, for example, the materials of the first electrode 11 and the second electrode 12 are transparent conductive materials such as Indium Tin Oxide (ITO) to improve the light transmittance of the display panel 100.
It will be appreciated that, since the first electrode 11 is designed as a whole layer and is located between the second electrode 12 and the transistor 14, so that the electrical connection between the second electrode 12 and the corresponding transistor 14 needs to be achieved by passing through the first electrode 11, openings need to be provided in the first electrode 11 to avoid in the electrical connection region between the second electrode 12 and the corresponding transistor 14, and insulation between the first electrode 11 and the second electrode 12 needs to be ensured.
The second substrate 20 includes a second substrate 22, a light shielding layer 23 and a color film layer 24 disposed on a side of the second substrate 22 facing the first substrate 10. Optionally, the material of the second substrate 22 is the same as that of the first substrate 13, for example, the first substrate 13 and the second substrate 22 are both glass substrates. The light shielding layer 23 is used for shielding light to prevent the display panel 100 from leaking light. Alternatively, the material of the light shielding layer 23 includes a Black light shielding material such as Black Matrix (BM). The shading layer 23 is provided with a plurality of openings, and the color film layer 24 is arranged in the openings.
The color film layer 24 includes color films of different colors, such as a red color film, a green color film, and a blue color film, where the color films of different colors can allow light of a specific wavelength to pass through, and intercept light of other wavelengths, such as the red color film allows light of a wavelength in a red light range to pass through and intercepts light of other wavelengths, and correspondingly, the green color film allows light of a wavelength in a green light range to pass through and the blue color film allows light of a wavelength in a blue light range to pass through. And a color film with one color is arranged in each opening.
Optionally, the second substrate 20 further includes a protective layer 25 disposed on a side of the light shielding layer 23 and the color film layer 24 facing the first substrate 10, where a material of the protective layer 25 includes a transparent material such as OC glue. The protective layer 25 can protect the light shielding layer 23 and the color film layer 24, and provide a flat surface for the second substrate 20.
Alternatively, the second substrate 20 is further provided with the third electrode 21 on a side of the second substrate 22 away from the first substrate 10, but the application is not limited thereto, and the third electrode 21 may be further provided on other film layers of the second substrate 20. The third electrode 21 includes at least a first sub-electrode block 211 disposed corresponding to the first display area AA1, and the first sub-electrode block 211 is disposed to enable the first display area AA1 to be switched between a wide viewing angle and a narrow viewing angle. Specifically, when the dc voltage is applied to the first sub-electrode block 211, an electric field is formed between the first sub-electrode block 211 and the second electrode 12 to control the liquid crystal molecules 30 in the corresponding region to deflect, so that the first display area AA1 is turned on for displaying at a narrow viewing angle.
How the first sub-electrode block 211 is arranged to control the first display area AA1 to switch between a wide viewing angle and a narrow viewing angle will be specifically described below:
the display panel 100 further includes a first non-display area NA1, and optionally, the first non-display area NA1 may be disposed on the same side of the first display area AA1 and the second display area AA2. The first substrate 10 is provided with a control terminal 50 and a control circuit corresponding to the first non-display area NA1, and the control circuit is electrically connected to the first sub-electrode block 211 through the control terminal 50 to apply a voltage to the first sub-electrode block 211.
Further, the control circuit is a flexible circuit board (Flexible Print Circuit, FPC) 70, and the control terminal 50 is electrically connected to the flexible circuit board 70. The control terminal 50 is supplied with a direct current voltage through the flexible circuit board 70, and then the control terminal 50 supplies the direct current voltage supplied from the flexible circuit board 70 to the first sub-electrode block 211. It should be noted that, the voltage provided to the first sub-electrode block 211 by the control circuit is an adjustable voltage, and the viewing angle of the first display area AA1 is adjusted by adjusting the voltage applied to the first sub-electrode block 211.
In addition, the control terminal 50 and the first sub-electrode block 211 may be electrically connected by providing a conductive paste 60. Specifically, the display panel 100 further includes a sealant 40 disposed between the first substrate 10 and the second substrate 20, and a conductive paste 60 disposed on a side of the sealant 40 away from the plurality of liquid crystal molecules 30, wherein the sealant 40 surrounds the plurality of liquid crystal molecules 30, and the first sub-electrode block 211 is electrically connected to the control terminal 50 through the conductive paste 60. Naturally, a support column is further disposed between the first substrate 10 and the second substrate 20 to ensure a gap between the first substrate 10 and the second substrate 20, and control the thickness of the box.
It is understood that, in order to dissipate static electricity on the display panel 100, a ground terminal 51 may be further disposed at the first non-display area NA1 of the display panel 100, and the ground terminal 51 may be formed in the same process as the control terminal 50. Also, optionally, the ground terminal 51 is also electrically connected to the flexible circuit board 70, and the ground terminal 51 is also in contact with the surface of the second substrate 20 and/or the first substrate 10 through the corresponding conductive paste 60 to dissipate static electricity on the display panel 100.
The first sub-electrode block 211 is electrically connected with the control terminal 50 through the conductive adhesive 60, and the control terminal 50 is also electrically connected with the flexible circuit board 70, when the narrow viewing angle display is required to be realized, the flexible circuit board 70 provides voltage for the control terminal 50, the control terminal 50 applies voltage to the first sub-electrode block 211 through the conductive adhesive 60, so that a vertical electric field is formed between the first sub-electrode block 211 and the second electrode 12, the liquid crystal molecules 30 in the corresponding area are inclined, the liquid crystal Δnd increases with the increase of the viewing angle to form light leakage, the brightness and the contrast are reduced, and the viewing angle is reduced to realize the narrow viewing angle display. In addition, the voltage of the first sub-electrode block 211 is controlled to control the intensity of the vertical electric field, so that the inclination angle of the liquid crystal molecules 30 in the corresponding area can be controlled, and the size of the visual angle is controlled, when the visual angle is larger than the set visual angle range, the left side and the right side can not observe the picture displayed in the first display area AA1, so that the display of the special visual angle in the area is realized, when the display is applied to the vehicle-mounted display, the influence of the display content in the large-scale center control position on the squint line of a driver can be avoided, and the problem that the existing vehicle-mounted display device is unfavorable for safe driving is solved.
When the wide viewing angle display is required, the first sub-electrode block 211 is not applied with a voltage, the liquid crystal molecules 30 horizontally rotate under the electric field formed between the first electrode 11 and the second electrode 12, and at this time, the first display area AA1 and the second display area AA2 are both normal IPS (In-plane Switching) or FFS (Fringe Field Switching, edge Switching) viewing angle display, and the images displayed by the first display area AA1 and the second display area AA2 can be observed at viewing angles of +/-85 degrees.
Alternatively, when the first display area AA1 implements the narrow viewing angle display, the voltage applied to the first sub-electrode block 211 may be in a range of 3.5V to 5V, so that a better narrow viewing angle effect can be achieved. Specifically, referring to fig. 4, fig. 4 is a schematic distribution diagram of the contrast ratio of the first display area along with the change of the viewing angle when different voltages are applied to the first sub-electrode block according to the simulation in the embodiment of the present application. In fig. 4, the abscissa represents the visual angle, and the ordinate represents the contrast ratio, wherein the curve a represents a schematic diagram of the contrast ratio of the first display area AA1 according to the visual angle when the first sub-electrode block 211 is not provided; curve B shows a schematic view of the contrast ratio of the first display area AA1 according to the viewing angle when the first sub-electrode block 211 is applied with 3.5V dc voltage and the thickness of the second substrate 22 is 0.1T; curve C shows a schematic view of the contrast ratio of the first display area AA1 according to the viewing angle when a direct current voltage of 5V is applied to the first sub-electrode block 211 and the thickness of the second substrate 22 is 0.1T; curve D shows a schematic view of the contrast ratio of the first display area AA1 according to the viewing angle when a 10V dc voltage is applied to the first sub-electrode block 211 and the thickness of the second substrate 22 is 0.1T; curve E shows a change of the contrast ratio of the first display area AA1 with the viewing angle when the dc voltage of 3.5V is applied to the first sub-electrode block 211 and the thickness of the second substrate 22 is 0.05T.
As can be seen from fig. 4, the contrast of the first display area AA1 is reduced with the increase of the viewing angle, and the contrast reduction ratio is more than 50% when the dc voltage of 3.5V to 5V is applied to the first sub-electrode block 211, compared with the case where the dc voltage is not applied, the narrow viewing angle effect can be achieved. In addition, when the same dc voltage is applied to the first sub-electrode block 211, the second substrates 22 having different thicknesses have no significant difference in contrast reduction effect.
In addition, in one embodiment, the display panel 100 further includes a second non-display area NA2 disposed between the first display area AA1 and the second display area AA2, and the light shielding layer 23 is configured on the whole surface corresponding to the second non-display area NA2, so that the light does not exit from the second non-display area NA2, so that the second non-display area NA2 is always in a normally black mode to better distinguish the first display area AA1 from the second display area AA2. Of course, the present application is not limited thereto, and the present application may also control the deflection of the liquid crystal molecules 30 of the second non-display area NA2 by disposing the first electrode 11 and the second electrode 12 in the second non-display area NA2, and forming an electric field between the first electrode 11 and the second electrode 12 so that the second display area AA2 is always in the normally black mode.
In another embodiment, the third electrode 21 further includes a second sub-electrode block 212, where the second sub-electrode block 212 is disposed corresponding to the first display area AA1, and the second sub-electrode block 212 and the first sub-electrode block 211 are disposed at intervals, so that when the first display area AA1 is switched from the narrow viewing angle display to the wide viewing angle display, uniformity of the transmittance of the first display area AA1 and the second display area AA2 can be ensured due to the presence of the third electrode 21 in both the first display area AA1 and the second display area AA2. Alternatively, the thickness of the first sub-electrode block 211 is the same as the thickness of the second sub-electrode block 212, so that the uniformity of the transmittance of the first display area AA1 and the second display area AA2 is better.
It should be noted that the display panel 100 of the present application further includes a backlight module disposed on a side of the first substrate 10 away from the second substrate 20, and the backlight module is configured to provide backlight to the display panel 100. Of course, the display panel 100 further includes a lower polarizer disposed between the first substrate 10 and the backlight module, and an upper polarizer disposed on a side of the second substrate 20 away from the first substrate 10, and these conventional structures are not described herein.
In an embodiment, referring to fig. 1 to 5, fig. 5 is a schematic top view of another display panel according to an embodiment of the present application. Unlike the above embodiment, the control circuit on the display panel 101 is a driving IC80, the control terminal 50 is electrically connected to the driving IC80, and a voltage is supplied to the first sub-electrode block 211 through the driving IC 80. Specifically, the first substrate 10 is further provided with a driving IC80 corresponding to the first non-display area NA1, and the control terminal 50 is electrically connected to the driving IC80 such that the driving IC80 supplies a voltage to the control terminal 50, and the control terminal 50 also supplies a voltage to the first sub-electrode block 211 through the conductive paste 60. The other descriptions refer to the above embodiments, and are not repeated here.
Based on the same inventive concept, the embodiments of the present application also provide an electronic device, which may be a vehicle-mounted display device or the like, including the display panel 100 of one of the above embodiments.
As can be seen from the above embodiments:
the application provides a display panel and electron device in, display panel has first display area and second display area, display panel include first base plate, with the second base plate that first base plate set up relatively and set up first base plate with a plurality of liquid crystal molecules between the second base plate, be provided with first electrode and the second electrode of mutual insulation on the first base plate, the second electrode is located first electrode orientation one side of second base plate is in order to form the electric field between the two, in order to realize display panel's wide viewing angle shows, be provided with the third electrode on the second base plate, the third electrode is including corresponding first sub-electrode piece that first display area set up, first sub-electrode piece with be located first display area the second electrode sets up relatively in order to form the electric field between the two, in order to realize first display area's narrow viewing angle shows, so through control first sub-electrode piece with electric field between the second electrode is in order to realize first display area's wide viewing angle switches over in order to realize that the wide viewing angle shows the special viewing angle of area, and then has avoided the vehicle mounted driver to have solved the display device of the present technology and has realized that the driver has no effect on the vehicle-mounted visual angle and has realized the display area.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The foregoing embodiments of the present application have been described in detail, and specific examples have been employed herein to illustrate the principles and embodiments of the present application, the above embodiments being provided only to assist in understanding the technical solutions of the present application and their core ideas; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. A display panel having a first display area and a second display area, the display panel comprising:
a first substrate on which a first electrode and a second electrode are arranged, which are insulated from each other;
the second substrate is arranged opposite to the first substrate, a third electrode is arranged on the second substrate, the second substrate comprises a second substrate, the third electrode is arranged on one side, far away from the first substrate, of the second substrate, and the third electrode comprises a first sub-electrode block which is arranged corresponding to the first display area;
a plurality of liquid crystal molecules disposed between the first substrate and the second substrate;
the second electrode is arranged on one side of the first electrode facing the second substrate so as to form an electric field between the first electrode and the second electrode, and the first electrode and the second electrode are at least arranged in the first display area and the second display area; the first sub-electrode block is arranged opposite to the second electrode in the first display area so as to form an electric field between the first sub-electrode block and the second electrode;
the display panel further comprises a first non-display area, wherein a control terminal and a grounding terminal are arranged on the first substrate corresponding to the first non-display area, and the grounding terminal and the control terminal are formed in the same process; the display panel further comprises a sealant arranged between the first substrate and the second substrate and a conductive adhesive positioned on one side of the sealant away from the liquid crystal molecules, wherein the sealant surrounds the liquid crystal molecules, and the first sub-electrode block is electrically connected with the control terminal through the conductive adhesive;
the display panel further includes a second non-display region located between the first display region and the second display region, the second non-display region being in a normally black mode.
2. The display panel according to claim 1, wherein the first substrate is provided with a control circuit corresponding to the first non-display region, the control circuit being electrically connected to the first sub-electrode block through the control terminal to apply a voltage to the first sub-electrode block.
3. The display panel according to claim 2, wherein the control circuit is a flexible circuit board or a driver IC.
4. The display panel of claim 1, wherein the first electrode and the second electrode are further disposed in the second non-display region, and an electric field is formed between the first electrode and the second electrode to place the second non-display region in a normally black mode.
5. The display panel according to any one of claims 1 to 4, wherein the first substrate comprises:
a first substrate;
a plurality of transistors disposed on the first substrate;
the first electrode is arranged on one side of the transistor away from the first substrate;
the second electrode is electrically connected to the transistor.
6. The display panel according to claim 1, wherein the second substrate is provided with a light shielding layer of an entire design in correspondence with the second non-display area.
7. The display panel of claim 6, wherein the second substrate further comprises:
the light shielding layer is arranged on one side of the second substrate facing the first substrate, and corresponds to the first display area and the second display area, and a plurality of openings are formed in the first display area and the second display area;
the color film layer is arranged in the opening.
8. The display panel of claim 1, wherein the third electrode further comprises a second sub-electrode block disposed corresponding to the second display area, and the second sub-electrode block and the first sub-electrode block are disposed at a spacing.
9. An electronic device comprising the display panel according to any one of claims 1 to 8.
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