CN211061818U - Display device - Google Patents
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- CN211061818U CN211061818U CN201922439865.9U CN201922439865U CN211061818U CN 211061818 U CN211061818 U CN 211061818U CN 201922439865 U CN201922439865 U CN 201922439865U CN 211061818 U CN211061818 U CN 211061818U
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Abstract
The utility model discloses a display device. The display device includes a display panel and a first light control unit; the first light control unit comprises a first transparent substrate, a second transparent substrate and a first display medium layer, wherein the first transparent substrate and the second transparent substrate are arranged oppositely, and the first display medium layer is arranged between the transparent substrates; a first electrode and a second electrode are arranged on one sides of the first transparent substrate and the second transparent substrate facing the first display medium layer; a first polarizing film and a second polarizing film are arranged on the sides, departing from the first display medium layer, of the first transparent substrate and the second transparent substrate, and the polarization directions are parallel; one side of the first transparent substrate, which is far away from the first display medium layer, is a light incident side of the first light control unit; the first display medium layer comprises liquid crystal molecules and two-way dye molecules, and the long axis directions of the liquid crystal molecules and the two-way dye molecules are parallel; the alignment direction of the liquid crystal molecules is vertical to the polarization direction of the first polaroid; the first transparent substrate is also provided with a first prism structure. The device can strengthen wide visual angle slant emergent light, promotes the luminance at wide visual angle.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a display device.
Background
The Display comprises a passive light Emitting Display and an active light Emitting Display, the passive light Emitting Display is a Display device which needs to Display by means of a backlight source, and is mainly a liquid Crystal Display (L acquired Crystal Display, L CD), the active light Emitting device is a Display device which can be excited to emit light, and is mainly an Organic light Emitting Diode (O L ED) Display and a Micro Organic light Emitting Diode (O L) Display.
The current display architecture gradually moves towards a dual-cell display architecture, which is to add a liquid crystal cell to the existing display structure, so that the image quality of the display screen of the display can be improved and the display function can be improved through the function of the liquid crystal cell. However, the dual-box display may cause insufficient brightness in the oblique direction and cause the image to be unclear.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a display device can strengthen wide visual angle slant emergent light, promotes the luminance at wide visual angle.
An embodiment of the utility model provides a display device, include:
a display panel and a first light control unit;
the first light control unit is used for switching a wide view angle and a narrow view angle when the display panel displays a picture;
the first light control unit comprises a first transparent substrate, a second transparent substrate and a first display medium layer, wherein the first transparent substrate and the second transparent substrate are arranged oppositely, and the first display medium layer is arranged between the first transparent substrate and the second transparent substrate;
a first electrode is arranged on one side, facing the first display medium layer, of the first transparent substrate; a second electrode is arranged on one side, facing the display medium layer, of the second transparent substrate; the first display medium layer comprises liquid crystal molecules and two-way dye molecules; a first polaroid is arranged on one side of the first transparent substrate, which is far away from the first display medium layer; a second polaroid is arranged on one side, away from the first display medium layer, of the second transparent substrate; one side of the first transparent substrate, which is far away from the first display medium layer, is a light incident side of the first light control unit;
the first transparent substrate is also provided with a first prism structure;
the alignment direction of liquid crystal molecules in the first display medium layer is vertical to the polarization direction of the first polaroid, and the polarization directions of the first polaroid and the second polaroid are parallel;
the long axis direction of the dichroic dye molecules in the first display medium layer is parallel to the long axis direction of the liquid crystal molecules in the first display medium layer.
The embodiment of the utility model provides a display device, through setting up the switching of light control unit wide and narrow visual angle when showing the picture to display panel, in the light control unit, through setting up first prism structure on the first transparent substrate, the major axis direction of the two to nature dyestuff molecule in the first display medium layer is parallel with the major axis direction of the liquid crystal molecule in the first display medium layer, the alignment direction of liquid crystal molecule is perpendicular with the polarization direction of first polaroid, the polarization direction of first polaroid is parallel with the polarization direction of second polaroid, when showing the picture under wide and narrow visual angle, the light beam of incidenting to the light control unit is refracted by first prism structure, the contained angle of refracted light and incident surface reduces, partial perpendicular incidence to the light control unit, the oblique light control unit and incidenting to display panel, the light intensity of the oblique light beam of incidenting to display panel has been increased, therefore, the oblique emergent light of the display device with wide visual angle is enhanced, and the brightness of the wide visual angle is improved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, a brief description is given below of the drawings required for describing the embodiments. It should be clear that the described figures are only drawings of some of the embodiments of the invention to be described, not all, and that for a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a display device under a wide viewing angle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a display device under a narrow viewing angle according to an embodiment of the present invention;
fig. 3 is a schematic top view of a first prism structure according to an embodiment of the present invention;
fig. 4 is a schematic top view of a first prism structure according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another display device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another display device according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural view of a display device under a wide viewing angle provided by the embodiment of the present invention, and fig. 2 is a schematic structural view of a display device under a narrow viewing angle provided by the embodiment of the present invention. Referring to fig. 1 and 2, the display device 100 includes:
a display panel 110 and a first light control unit 120;
the first light control unit 120 is configured to perform wide and narrow viewing angle switching when the display panel 110 displays a picture;
the first light management unit 120 includes a first transparent substrate 121, a second transparent substrate 122 disposed opposite to each other, and a first display medium layer 123 disposed between the first transparent substrate 121 and the second transparent substrate 122;
a first electrode 124 is arranged on one side of the first transparent substrate 121 facing the first display medium layer 123; a second electrode 125 is disposed on one side of the second transparent substrate 122 facing the display medium layer 123; the first display medium layer 123 includes liquid crystal molecules 1231 and dichroic dye molecules 1232; a first polarizer 126 is arranged on one side of the first transparent substrate 121, which is far away from the first display medium layer 123; a second polarizer 127 is arranged on one side of the second transparent substrate 122, which is far away from the first display medium layer 123; one side of the first transparent substrate 121 facing away from the first display medium layer 123 is a light incident side of the first light controlling unit 120;
a first prism structure 128 is further disposed on the first transparent substrate 121;
the alignment direction of the liquid crystal molecules 1231 in the first display medium layer 123 is perpendicular to the polarization direction of the first polarizer 126, and the polarization directions of the first polarizer 126 and the second polarizer 127 are parallel;
the long axis direction of the dichroic dye molecules 1232 in the first display medium layer 123 is parallel to the long axis direction of the liquid crystal molecules 1231 in the first display medium layer 123.
Specifically, the polarization directions of the first polarizer 126 and the second polarizer 127 are both the X direction, the alignment direction of the liquid crystal molecules 1231 in the first display medium layer 123 is the Y direction, and the X direction is perpendicular to the Y direction; the long axis direction of the liquid crystal molecules 1231 regulates the long axis direction of the liquid crystal molecules 1231, that is, the long axis direction of the dichroic dye molecules 1232 changes with the change of the long axis direction of the liquid crystal molecules 1231, the long axis direction of the dichroic dye molecules 1232 is parallel to the long axis direction of the liquid crystal molecules 1231, and the dichroic dye molecules 1232 absorb the light beam having the polarization direction parallel to the long axis direction of the dichroic dye molecules 1232.
As shown in fig. 1, there is no voltage difference between the first electrode 124 and the second electrode 125, and the long axis direction of the liquid crystal molecules 1231 is along the Y direction, and the long axis direction of the dichroic dye molecules 1232 is also along the Y direction. The light beam vertically enters the entrance plane of the first light control unit 120, the light beam passing through the first polarizer 126 is linearly polarized light, the polarization direction is the X direction, the linearly polarized light vertically enters the first prism structure 128, the linearly polarized light is refracted by the first prism structure 128, the light beam direction is deflected, and the light beam perpendicular to the plane of the first polarizer 126 is modulated into a light beam not perpendicular to the plane of the first polarizer 126, so that the light intensity of the light beam obliquely entering the first display medium layer 123 is enhanced. The polarization direction of the oblique light incident to the first display medium layer 123 is parallel to the XZ plane, and since the long axis direction of the dichroic dye molecules 1232 in the first display medium layer 123 is along the Y direction, the Y direction XZ plane is perpendicular, and the polarization direction of the oblique light is perpendicular to the long axis of the dichroic dye molecules 1232, the dichroic dye molecules 1232 do not absorb the oblique light beam, and the light beam obliquely incident to the first display medium layer 123 passes through the first display medium layer 123 and is obliquely incident to the display panel 110, thereby realizing a wide viewing angle display picture.
As shown in fig. 2, a voltage difference exists between the first electrode 124 and the second electrode 125, the long axis direction of the liquid crystal molecules 1231 is along the Z direction, and the long axis direction of the dichroic dye molecules 1232 is also along the Z direction. The polarization direction of the oblique light incident to the first display medium layer 123 is parallel to the XZ plane, and the polarization direction of the oblique light is perpendicular to the propagation direction, so an included angle exists between the polarization direction of the oblique light and the long axis direction of the dichroic dye molecules 1232, the dichroic dye molecules 1232 can absorb the polarization component parallel to the long axis of the dichroic dye molecules 1232 in the oblique light, the polarization light perpendicular to the long axis of the dichroic dye molecules 1232 passes through the first display medium layer 123 to be incident to the display panel 110, the transmission direction of the polarization light perpendicular to the long axis of the dichroic dye molecules 1232 is along the Z direction, that is, the light beam incident to the display panel 110 is only perpendicular to the incident light, and the narrow viewing angle display images at two sides of the X-direction display device are realized.
The embodiment of the utility model provides a display device, through the light intensity of the wide visual angle oblique incidence to display panel's light beam of prism structure reinforcing, the light intensity reinforcing of the slant light beam that display panel jetted out has consequently strengthened the slant emergent light at the wide visual angle of display device, promotes the luminance at wide visual angle.
Optionally, referring to fig. 1 or fig. 2, the first prism structure 128 is located on a side of the first transparent substrate 121 facing the first display medium layer 123; the first prism structure 128 is provided with a planarization layer 129 on a side facing the first display medium layer 123; the first electrode 124 is located on a side of the planarization layer 129 facing away from the first prism structure 128.
Specifically, the more uniform the intensity of the light beam incident on the display panel 110, the higher the picture quality of the display screen, so it is necessary to ensure that the intensity of the light beam incident on the display panel 110 is uniform, that is, the modulation effect of the first light control unit 120 on the light beam incident on the incident surface is the same. The switching of the wide and narrow viewing angles can be achieved by applying a voltage between the first electrode 124 and the second electrode 125 of the first light controlling unit 120, and thus the thickness of the first display medium layer 123 sandwiched between the first electrode 124 and the second electrode 125 should be the same, and the first electrode 124 and the second electrode 125 should be parallel to each other. A planarization layer 129 is disposed on a side of the first prism structure 128 facing the first display medium layer 123, and the first electrode 124 is disposed on a side of the planarization layer 129 away from the first prism structure 128, so that the first electrode 124 and the second electrode 125 are parallel to each other, thereby improving the image quality of the display image of the display device.
Alternatively, referring to fig. 1 or 2, the first prism structure 128 includes a plurality of prism units 1281; the plurality of prism units 1281 may be arranged in parallel; or a plurality of prism units 1281 may be arranged in an array.
Specifically, fig. 3 is a schematic view of a top-down structure of a first prism structure provided in the embodiment of the present invention, and fig. 4 is a schematic view of a top-down structure of another first prism structure provided in the embodiment of the present invention. As shown in fig. 3, the first prism structure 128 includes a plurality of prism units 1281, each of the prism units 1281 extending in the Y direction, the plurality of prism units 1281 being arranged in the X direction. As shown in fig. 4, the first prism structure 128 includes a plurality of prism units 1281, each prism unit 1281 is a rectangular pyramid structure, and the plurality of prism units 1281 are arranged in an array in the XY plane.
Fig. 5 is a schematic structural diagram of another display device according to an embodiment of the present invention. As shown in fig. 5, the display device 100 further includes a backlight unit 210 and a third polarizer 221;
the display panel 110 is a liquid crystal display panel; the liquid crystal display panel is positioned on one side of the second transparent substrate 122 departing from the first display medium layer 123; the backlight module 210 is located on a side of the first transparent substrate 121 away from the first display medium layer 123; the third polarizer 221 is located on the side of the liquid crystal display panel facing away from the first light management unit 120; the polarization direction of the third polarizer 221 is perpendicular to the polarization direction of the second polarizer 127.
Specifically, the lcd panel is a passive light emitting display device, the backlight module 210 is required to provide a backlight source for the display panel 110, the lcd panel utilizes the liquid crystal filled between the upper and lower polarizers with mutually perpendicular polarization directions, and then utilizes the electric field to control the rotation of liquid crystal molecules to change the direction of light traveling, and different electric fields form different gray-scale brightness to perform image display, as shown in fig. 5, the second polarizer 127 of the first light control unit 120 is multiplexed as the lower polarizer of the lcd panel, the polarization direction of the second polarizer 127 is the X direction, that is, the polarization direction of the lower polarizer of the lcd panel is the X direction, the third polarizer 221 is the upper polarizer of the lcd panel, the polarization direction of the third polarizer 221 is the Y direction, and the Y direction is perpendicular to the X direction.
Fig. 6 is a schematic structural diagram of another display device according to an embodiment of the present invention. As shown in fig. 6, the display device 100 further includes a backlight unit 210 and a fourth polarizer 222;
the display panel 110 is a liquid crystal display panel; the liquid crystal display panel is positioned on one side of the first transparent substrate 121 departing from the first display medium layer 123; the backlight module 210 is located on a side of the liquid crystal display panel away from the first light control unit 120; the fourth polarizer 222 is located between the liquid crystal display panel and the backlight module 210; the polarization direction of the fourth polarizer 222 is perpendicular to the polarization direction of the first polarizer 126.
Specifically, as shown in fig. 6, the first polarizer 126 of the first light control unit 120 is multiplexed as an upper polarizer of the liquid crystal display panel, the polarization direction of the first polarizer 126 is the X direction, that is, the polarization direction of the upper polarizer of the liquid crystal display panel is the X direction, the fourth polarizer 222 is a lower polarizer of the liquid crystal display panel, the polarization direction of the fourth polarizer 222 is the Y direction, and the Y direction is perpendicular to the X direction.
Optionally, referring to fig. 6, the display device 100 further includes a second light control unit 230;
the second light management unit 230 is located between the fourth polarizer 222 and the backlight module 210;
the second light control unit 230 includes: a third transparent substrate 231 and a fourth transparent substrate 232 which are oppositely arranged, and a second display medium layer 233 which is arranged between the third transparent substrate 231 and the fourth transparent substrate 232;
a third electrode 234 is arranged on one side of the third transparent substrate 231 facing the second display medium layer 233; a fourth electrode 235 is arranged on one side of the fourth transparent substrate 232 facing the second display medium layer 233; the second display medium layer 233 includes liquid crystal molecules 2331 and dichroic dye molecules 2332; a fifth polarizing plate 236 is arranged on one side of the third transparent substrate 231, which is far away from the second display medium layer 233; the side of the third transparent substrate 231 facing away from the second display medium layer 233 is the light incident side of the second light controlling unit 230;
a second prism structure 237 is further disposed on the third transparent substrate 231;
the alignment direction of the liquid crystal molecules 2331 in the second display medium layer 233 is perpendicular to the polarization direction of the fifth polarizer 236, and the polarization directions of the fifth polarizer 236 and the fourth polarizer 222 are parallel;
the long axis direction of the dichroic dye molecules 2332 in the second display medium layer 233 is parallel to the long axis direction of the liquid crystal molecules 2331 in the second display medium layer 233.
Specifically, the polarization direction of the fourth polarizer 222 is the Y direction, the fourth polarizer 222 is multiplexed as a polarizer on the side of the fourth transparent substrate 232 facing away from the second display medium layer 233 in the second light control unit 230, the polarizer on the side of the third transparent substrate 231 facing away from the second display medium layer 233 in the second light control unit 230, that is, the polarization direction of the fifth polarizer 236 is parallel to the polarization direction of the fourth polarizer 222, the polarization direction of the fifth polarizer 236 is also the Y direction, and the alignment direction of the liquid crystal molecules 2331 in the second display medium layer 233 is the X direction.
In the above embodiment, the first light control unit 120 can realize the narrow viewing angle image display along the two sides of the X-direction display device, and similarly, in this embodiment, the second light control unit 120 can realize the narrow viewing angle image display along the two sides of the Y-direction display device, thereby realizing the four-direction peep-proof function of the display device.
Optionally, with continued reference to fig. 1, the display panel 110 is a self-luminous display panel; the self-luminous display panel is located on a side of the first transparent substrate 121 away from the first display medium layer 123.
As shown in fig. 7, the self-luminous display panel includes a substrate 111 and a plurality of light emitting elements 112 located on a side of the substrate 111 facing the first display medium layer 123, where the light emitting elements 112 are O L ED or Micro-L ed.o L ED or Micro-L ED, and generally include red light O L ED, blue light O L ED and green light O L ED, and respectively emit red light, blue light and green light to realize a display screen of the display device, and in this embodiment, the O L ED or the Micro-L ED may also be O L ED of other colors, without specific limitation.
Optionally, with continued reference to FIG. 7, the self-emissive display panel further includes a light conversion layer 113 located on the side of the O L ED or the Micro-L ED facing the first display medium layer 123.
Specifically, the light conversion layer 113 may be a filter layer or an organic light emitting layer. The light conversion layer 113 is a filter layer, which may include filter units of three colors, for example, as shown in fig. 7, the filter layer includes a red filter unit 1131, a green filter unit 1132 and a blue filter unit 1133, the white light beam emitted by the light emitting device 112 is incident on the filter layer, the red filter unit 1131 allows only the red light beam to pass through and emits red light, the green filter unit 1132 allows only the green light beam to pass through and emits green light, and the blue filter unit 1133 allows only the blue light beam to pass through and emits blue light, thereby realizing a display screen of the display device. The filter layer in this embodiment may further include filter units of three or more colors.
Fig. 8 is a schematic structural diagram of another display device according to an embodiment of the present invention. The light conversion layer 113 includes an organic light emitting layer, which may include organic light emitting units of two colors, for example, as shown in fig. 8, the organic light emitting layer includes a red organic light emitting unit 1134 and a green organic light emitting unit 1135, the light emitting element 112 emits a blue light beam, after the blue light beam enters the organic light emitting layer, the red organic light emitting unit 1134 is excited to generate red light after receiving the blue light beam, the green organic light emitting unit 1135 is excited to generate green light after receiving the blue light beam, and a region without the organic light emitting unit emits blue light, thereby implementing a display screen of the display device. The organic light emitting layer in this embodiment may also be an organic light emitting unit including three or more colors.
Optionally, with continued reference to fig. 7, the display device 100 further includes a third light control unit 240; the third light management unit 240 is located on a side of the first light management unit 120 facing away from the display panel 110;
the third light control unit 240 includes: a fifth transparent substrate 241, a sixth transparent substrate 242, and a third display medium layer 243 disposed between the fifth transparent substrate 241 and the sixth transparent substrate 242;
a fifth electrode 244 is disposed on one side of the fifth transparent substrate 241 facing the third display medium layer 243; a sixth electrode 245 is arranged on one side of the sixth transparent substrate 242 facing the third display medium layer 243; the third display medium layer 243 includes liquid crystal molecules 2431; a sixth polarizing plate 246 is disposed on a side of the sixth transparent substrate 242 facing away from the third display medium layer 243; one side of the fifth transparent substrate 241 facing away from the third display medium layer 243 is a light incident side of the third light controlling unit 243;
a third prism structure 247 is further disposed on the fifth transparent substrate 241;
the alignment direction of the liquid crystal molecules 2431 in the third display medium layer 243 is parallel to the polarization direction of the second polarizing plate 127, and the sixth polarizing plate 246 is parallel to the direction of the second polarizing plate 126.
Specifically, as shown in fig. 7, the polarization directions of the sixth polarizing plate 246 and the second polarizing plate 127 are along the X direction, and the long axis direction of the liquid crystal molecules 2431 in the third display medium layer 243 is also along the X direction. The first light control unit 120 can realize narrow viewing angle screen display along both sides of the X-direction display device, the transmission direction of the light beam emitted by the first light control unit 120 is parallel to the YZ plane, the third light control unit 240 does not include dichroic dye molecules, the polarization direction of the light beam directly passing through the third light control unit 240 and entering the sixth polarizer 246 is the X direction, the polarized light component in the Y direction cannot be emitted, the light beam cannot be emitted obliquely on the YZ plane, and narrow viewing angle screen display along both sides of the Y-direction display device is realized.
The foregoing is only a preferred embodiment of the invention and the technical principles applied thereto. The present invention is not limited to the specific embodiments described herein, and various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art may be made without departing from the scope of the invention. Therefore, although the present invention has been described in more detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A display device, comprising:
a display panel and a first light control unit;
the first light control unit is used for switching a wide view angle and a narrow view angle when the display panel displays a picture;
the first light control unit comprises a first transparent substrate, a second transparent substrate and a first display medium layer, wherein the first transparent substrate and the second transparent substrate are arranged oppositely, and the first display medium layer is arranged between the first transparent substrate and the second transparent substrate;
a first electrode is arranged on one side, facing the first display medium layer, of the first transparent substrate; a second electrode is arranged on one side, facing the display medium layer, of the second transparent substrate; the first display medium layer comprises liquid crystal molecules and two-way dye molecules; a first polaroid is arranged on one side of the first transparent substrate, which is far away from the first display medium layer; a second polaroid is arranged on one side, away from the first display medium layer, of the second transparent substrate; one side of the first transparent substrate, which is far away from the first display medium layer, is a light incident side of the first light control unit;
the first transparent substrate is also provided with a first prism structure;
the alignment direction of liquid crystal molecules in the first display medium layer is vertical to the polarization direction of the first polaroid, and the polarization directions of the first polaroid and the second polaroid are parallel;
the long axis direction of the dichroic dye molecules in the first display medium layer is parallel to the long axis direction of the liquid crystal molecules in the first display medium layer.
2. The display device of claim 1, wherein the first prism structure is located on a side of the first transparent substrate facing the first display medium layer; a planarization layer is arranged on one side, facing the first display medium layer, of the first prism structure; the first electrode is located on a side of the planarization layer facing away from the first prism structure.
3. The display device according to claim 1, wherein the first prism structure comprises a plurality of prism units;
a plurality of the prism units are arranged in parallel; or a plurality of prism units are arranged in an array.
4. The display device according to claim 1, further comprising a backlight unit and a third polarizing plate;
the display panel is a liquid crystal display panel;
the liquid crystal display panel is positioned on one side of the second transparent substrate, which is far away from the first display medium layer;
the backlight module is positioned on one side of the first transparent substrate, which is far away from the first display medium layer;
the third polarizer is positioned on one side of the liquid crystal display panel, which is far away from the first light control unit;
the polarization direction of the third polarizer is perpendicular to the polarization direction of the second polarizer.
5. The display device according to claim 1, further comprising a backlight unit and a fourth polarizing plate;
the display panel is a liquid crystal display panel;
the liquid crystal display panel is positioned on one side of the first transparent substrate, which is far away from the first display medium layer;
the backlight module is positioned on one side of the liquid crystal display panel, which is far away from the first light control unit;
the fourth polaroid is positioned between the liquid crystal display panel and the backlight module;
the polarization direction of the fourth polarizer is perpendicular to the polarization direction of the first polarizer.
6. The display device of claim 5, further comprising a second light management unit;
the second light control unit is positioned between the fourth polarizer and the backlight module;
the second light control unit includes: the display panel comprises a third transparent substrate, a fourth transparent substrate and a second display medium layer, wherein the third transparent substrate and the fourth transparent substrate are arranged oppositely, and the second display medium layer is arranged between the third transparent substrate and the fourth transparent substrate;
a third electrode is arranged on one side, facing the second display medium layer, of the third transparent substrate; a fourth electrode is arranged on one side, facing the second display medium layer, of the fourth transparent substrate; the second display medium layer comprises liquid crystal molecules and two-way dye molecules; a fifth polaroid is arranged on one side, away from the second display medium layer, of the third transparent substrate; one side of the third transparent substrate, which is far away from the second display medium layer, is a light incident side of the second light control unit;
a second prism structure is further arranged on the third transparent substrate;
the alignment direction of liquid crystal molecules in the second display medium layer is vertical to the polarization direction of the fifth polaroid, and the polarization direction of the fifth polaroid is parallel to that of the fourth polaroid;
the long axis direction of the dichroic dye molecules in the second display medium layer is parallel to the long axis direction of the liquid crystal molecules in the second display medium layer.
7. The display device according to claim 1, wherein the display panel is a self-light emitting display panel; the self-luminous display panel is positioned on one side of the first transparent substrate, which is far away from the first display medium layer.
8. The display device according to claim 7, wherein the self-light emitting display panel comprises a substrate and a plurality of light emitting elements on a side of the substrate facing the first display medium layer;
the light-emitting element is O L ED or Micro-L ED.
9. The display device according to claim 8, wherein the self-light emitting display panel further comprises a light conversion layer on a side of the O L ED or Micro-L ED facing the first display medium layer.
10. The display device of claim 7, further comprising a third light management unit; the third light control unit is positioned on one side of the first light control unit, which faces away from the display panel;
the third light control unit includes: the display panel comprises a fifth transparent substrate, a sixth transparent substrate and a third display medium layer, wherein the fifth transparent substrate and the sixth transparent substrate are arranged oppositely, and the third display medium layer is arranged between the fifth transparent substrate and the sixth transparent substrate;
a fifth electrode is arranged on one side, facing the third display medium layer, of the fifth transparent substrate; a sixth electrode is arranged on one side, facing the third display medium layer, of the sixth transparent substrate; the third display medium layer comprises liquid crystal molecules and two-way dye molecules; a sixth polarizing film is arranged on one side, away from the third display medium layer, of the sixth transparent substrate; one side of the fifth transparent substrate, which is far away from the third display medium layer, is a light incident side of the third light control unit;
a third prism structure is further arranged on the fifth transparent substrate;
the alignment direction of the liquid crystal molecules in the third display medium layer is parallel to the polarization direction of the second polaroid, and the direction of the sixth polaroid is parallel to the direction of the second polaroid.
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| CN201922439865.9U CN211061818U (en) | 2019-12-30 | 2019-12-30 | Display device |
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| CN201922439865.9U CN211061818U (en) | 2019-12-30 | 2019-12-30 | Display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558367A (en) * | 2020-11-04 | 2021-03-26 | 北海惠科光电技术有限公司 | Display screen, driving method thereof and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558367A (en) * | 2020-11-04 | 2021-03-26 | 北海惠科光电技术有限公司 | Display screen, driving method thereof and display device |
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