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CN103713419B - A kind of display system - Google Patents

A kind of display system Download PDF

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Publication number
CN103713419B
CN103713419B CN201310740705.2A CN201310740705A CN103713419B CN 103713419 B CN103713419 B CN 103713419B CN 201310740705 A CN201310740705 A CN 201310740705A CN 103713419 B CN103713419 B CN 103713419B
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liquid crystal
display system
quarter
polarization
contact lens
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CN103713419A (en
Inventor
陈炎顺
董友梅
周莉
李文波
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BOE Technology Group Co Ltd
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BOE Technology Group Co Ltd
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Abstract

The invention discloses a kind of display system, including: liquid crystal panel, described liquid crystal panel has thin film transistor (TFT) tft array substrate, color membrane substrates and the liquid crystal layer between described tft array substrate and color membrane substrates, and described tft array substrate deviates from the side of described liquid crystal layer and has lower polaroid;Two contact lens, each contact lens has upper optical deflecting component.Contact lens is directly worn on user ophthalmic, even if wear corrective eyeglasses during myopia and patients with presbyopia use, people around is the most normal, it is not necessary to wear two width picture frames, improve naturality during user viewing, and then improve the peep-proof effect of display device.Therefore, the display system that the present invention provides can improve naturality when myopia and patients with presbyopia use, has higher peep-proof effect.

Description

Display system
Technical Field
The invention relates to the technical field of display, in particular to a display system.
Background
In the display technology field, in order to meet the requirement of a user for confidential display, generally, only one polarizer is arranged in a liquid crystal display device, and the other polarizer is arranged on special glasses, so that when the user watches the display, the user who does not use the special glasses cannot see the display content on the display device, and only the user wearing the special glasses can watch the picture of the display.
However, for the myopic or presbyopic patients, the users need to wear the correcting glasses in daily life, and when the users need to perform confidential display, the users need to wear a pair of special glasses to read the information displayed in the display device, which brings great inconvenience and burden to the myopic and presbyopic patients, and can cause the questioning and awareness of the users, so that the display system loses the due peep-proof effect.
Therefore, it is one of the technical problems to be solved by those skilled in the art to provide a display system capable of improving the naturalness of the myopic eye and presbyopia patients when using the system to improve the peep-proof effect.
Disclosure of Invention
The invention provides a display system which can improve the naturalness of myopic and presbyopic patients in use and has a high peep-proof effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a display system, comprising:
the liquid crystal display panel is provided with a Thin Film Transistor (TFT) array substrate, a color film substrate and a liquid crystal layer positioned between the TFT array substrate and the color film substrate, and one side of the TFT array substrate, which is far away from the liquid crystal layer, is provided with a lower polarizer;
two contact lenses, each contact lens having an upper polarizing component.
In the display system, the liquid crystal panel is only provided with the lower polarizer on one side of the TFT array substrate, which is far away from the liquid crystal layer, light rays become polarized light after passing through the lower polarizer and still become polarized light after passing out of the liquid crystal panel, and information contained in the light rays emitted by the liquid crystal panel cannot be identified in a naked eye state; the contact lenses in the display system are provided with upper polarization components, and information contained in light rays emitted by the liquid crystal panel can be identified only by wearing the corresponding contact lenses by the left eye and the right eye of a user; the contact lens is directly worn in the eyes of a user, even if the myopic eye and presbyopic patient wear the correcting glasses in the use process, the surrounding people can also look normal without wearing two glasses frames, the naturalness of the user when watching is improved, and the peep-proof effect of the display device is further improved.
Therefore, the display system provided by the invention can improve the naturalness of the myopic eye and presbyopia patients in use and has a higher peep-proof effect.
Preferably, in each of the contact lenses, the upper polarizing member includes a polarizing film made of a flexible biomaterial.
The polarizing film prepared from the flexible biological material can be well fused with human eyes, and the damage to the human eyes caused by wearing the contact lens is reduced.
Preferably, the polarizing film has a concave lens structure, or a convex lens structure. When the polarizing film has a concave lens structure or a convex lens structure, the polarizing film may have a myopia correction function or a hyperopia correction function such as presbyopia, and the polarizing film may function as myopia glasses or hyperopia glasses.
Preferably, the contact lens further comprises a flexible substrate, the polarizing film is superposed with the flexible substrate, and the polarizing film is located on the pupil covering part of the flexible substrate.
Preferably, the flexible substrate has a concave lens structure, or a convex lens structure. The flexible substrate is provided with a concave lens structure or a convex lens structure, so that the contact lens has the functions of myopia glasses or hypermetropia glasses.
Preferably, the polarizing film is located on the light entrance side of the flexible substrate.
Preferably, in the liquid crystal panel, a quarter-wavelength plate is arranged on one side of the liquid crystal layer, which is far away from the TFT array substrate, a preset angle is formed between a fast axis of the quarter-wavelength plate in the liquid crystal panel and a polarization axis of the lower polarizer, and the preset angle is greater than or equal to 0 degree and smaller than or equal to 90 degrees;
the upper polarization component further comprises a quarter-wave plate positioned on the light incident side of the polarization film, and an angle formed between the fast axis of the quarter-wave plate in the upper polarization component and the polarization axis of the polarization film is equal to the preset angle or the sum of the angles is 90 degrees.
The characteristics of the quarter-wave plate are: when the polarization direction of the linearly polarized light incident by the quarter-wave plate is consistent with the fast axis or slow axis direction of the quarter-wave plate, the linearly polarized light still becomes linearly polarized light after passing through the quarter-wave plate; when the polarization direction of linearly polarized light incident by the quarter-wave plate and the direction of the fast axis or the slow axis of the quarter-wave plate form 45 degrees, the linearly polarized light can be converted into circularly polarized light; when the polarization direction of the linearly polarized light incident by the quarter-wave plate and the direction of the fast axis or the slow axis of the quarter-wave plate are at other angles, the linearly polarized light is converted into elliptically polarized light after passing through the quarter-wave plate.
A preset angle is formed between the fast axis of the quarter-wavelength plate and the polarizing axis of the lower polarizer; wherein,
when the preset angle is 90 degrees or 0 degrees, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer, and the included angle between the linearly polarized light and the fast axis of the quarter-wavelength plate is 0 degree or 90 degrees, so that the light which is transmitted through the quarter-wavelength plate is still linearly polarized light; at this time, an included angle between a fast axis of the quarter-wave plate and a polarization axis of the polarizing film in the contact lens is 0 degree or 90 degrees, and when the polarization axis of the polarizing film is perpendicular to or parallel to the polarization axis of the lower polarizing plate, a picture of the liquid crystal panel can be normally displayed through the contact lens.
When the preset angle is 45 degrees, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer, and the included angle between the linearly polarized light and the fast axis of the quarter-wave plate is 45 degrees, so that the light which is transmitted through the quarter-wave plate is circularly polarized light; at this time, when the included angle between the fast axis of the quarter-wave plate in the contact lens and the polarizing axis of the polarizing film is 45 degrees, and the angle between the polarizing axis of the polarizing film in the contact lens and the polarizing axis of the lower polarizing plate in the liquid crystal panel is an arbitrary value, the picture of the liquid crystal panel can be normally displayed through the contact lens.
When the preset angle is other acute angles, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer, and the included angle between the linearly polarized light and the fast axis of the quarter-wavelength plate is an acute angle and is not 45 degrees, so that the light which is transmitted through the quarter-wavelength plate is elliptically polarized light; if the included angle between the fast axis of the quarter-wavelength plate in the contact lens and the polarizing axis of the polarizing film is equal to the preset angle, normal display can be realized when the fast axes of the two quarter-wavelength plates are vertical; if the sum of the included angle between the fast axis of the quarter-wave plate in the contact lens and the polarizing film and the preset angle is 90 degrees, normal display can be performed when the fast axes of the two quarter-wave plates are parallel.
Preferably, the preset angle is 45 degrees.
Preferably, a signal transmitter is further included, the polarizing film including:
a liquid crystal box body;
the liquid crystal layer is positioned in the liquid crystal box body and is doped with dichroic dye molecules;
a driving electrode disposed on the liquid crystal cell body to drive the liquid crystal layer;
the power supply control module is electrically connected with the driving electrode;
and the signal receiver is in signal connection with the signal transmitter and the power control module and controls the power on-off between the power control module and the driving electrode according to the signal transmitted by the signal transmitter.
In the display system, the upper polarization component in the contact lens can be switched between the transparent state and the polarization state, so that the flexibility of a user in use is improved.
Preferably, in order to ensure the sufficiency of the power supply in the contact lens, the power supply control module includes a solar cell.
Drawings
FIG. 1 is a schematic diagram illustrating a display principle of a display system according to an embodiment of the present invention;
FIG. 2 is a schematic view of a polarizing film on a light-exiting side of a flexible substrate in a contact lens according to an embodiment of the invention;
FIG. 3 is a schematic view of a polarizing film in a contact lens according to an embodiment of the invention, the polarizing film being located on the light incident side of a flexible substrate;
FIG. 4 is a schematic diagram illustrating a display principle of a display system provided by an embodiment of the present invention when a liquid crystal panel and a contact lens are both provided with a quarter-wave plate;
FIG. 5 is a schematic diagram of a schematic structure of a switchable polarizer on a contact lens of a display system according to an embodiment of the present invention;
fig. 6 is a schematic view of the control principle of the contact lens shown in fig. 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a display system provided in an embodiment of the present invention includes:
the liquid crystal display panel is provided with a Thin Film Transistor (TFT) array substrate, a color film substrate and a liquid crystal layer 2 positioned between the TFT array substrate and the color film substrate, and one side of the TFT array substrate, which is far away from the liquid crystal layer 2, is provided with a lower polarizer 1;
two contact lenses 3, each having an upper polarizing member.
As shown in fig. 1, the area a and the area B shown in fig. 1 are in a bright state and a dark state, respectively, in the display system, the liquid crystal panel is provided with the lower polarizer 1 only on one side of the TFT array substrate away from the liquid crystal layer 2, light passes through the lower polarizer 1 to become polarized light, and the light is still polarized after passing through the liquid crystal panel, and information contained in the light emitted by the liquid crystal panel cannot be identified in a naked eye state, such as light in the area a and the area B; the contact lens 3 in the display system is provided with an upper polarization part, and information contained in light emitted by the liquid crystal panel can be identified only by wearing the corresponding contact lens 3 by the left eye and the right eye of a user; the contact lens 3 is directly worn in the eyes of a user, even if the myopia and presbyopia patients wear the corrective glasses in the use process, the surrounding people can also look normal without wearing two glasses frames, the naturalness of the user when watching is improved, and the peeping prevention effect of the display device is further improved.
Therefore, the display system provided by the invention can improve the naturalness of the myopic eye and presbyopia patients in use and has a higher peep-proof effect.
In a preferred embodiment, in each contact lens 3, the upper polarizing component comprises a polarizing film made of a flexible biomaterial.
The polarizing film prepared from the flexible biological material can be well fused with human eyes, and the damage to the human eyes caused by wearing the contact lens is reduced.
In a preferred embodiment, the polarizing film has a concave lens structure or a convex lens structure. When the polarizing film has a concave lens structure or a convex lens structure, the polarizing film may have a myopia correction function or a hyperopia correction function such as presbyopia, and the polarizing film may function as myopia glasses or hyperopia glasses.
Of course, in order to ensure the wearing stability of the polarizing film provided in the contact lens 3, as shown in fig. 2 and 3, in a preferred embodiment, the contact lens 3 further includes a flexible substrate 32, the polarizing film 31 is overlapped with the flexible substrate 32, and the polarizing film 31 is located at the pupil covering portion of the flexible substrate 32. The flexible substrate 32 can support the polarizing film 31, thereby ensuring the stability of the position of the polarizing film 31 when wearing the contact lens.
Preferably, in the above contact lens, the flexible substrate 32 has a concave lens structure or a convex lens structure. The flexible substrate 32 has a concave lens structure or a convex lens structure, so that the contact lens 3 can function as a myopic lens or a hyperopic lens.
Of course, in the above embodiment, between the polarizing film 31 and the flexible substrate 32, the polarizing film 31 may be located on the light exit side of the flexible substrate 32, as shown in fig. 2; of course, since the technology of using a flexible substrate as a contact lens for myopia, presbyopia, hypermetropia and the like is well established, in a preferred embodiment, the polarizing film 31 is located on the light incident side of the flexible substrate 32, as shown in fig. 3, to improve the compatibility of the contact lens 3 with the human eye.
Referring to fig. 4, in a preferred embodiment, in a liquid crystal panel of a display system, a quarter-wave plate 4 is disposed on a side of a liquid crystal layer 2 away from a TFT array substrate, a predetermined angle is formed between a fast axis of the quarter-wave plate 4 and a polarization axis of a lower polarizer 1 in the liquid crystal panel, and the predetermined angle is greater than or equal to 0 degree and smaller than or equal to 90 degrees;
meanwhile, the upper polarization part of each contact lens 3 further includes a quarter-wave plate 33 positioned at the light incident side of the polarizing film 31, and an angle formed between the fast axis of the quarter-wave plate 33 in the upper polarization part and the polarizing axis of the polarizing film 31 is equal to a preset angle or the sum of the angles is 90 degrees.
The characteristics of the quarter-wave plate are: when the polarization direction of the linearly polarized light incident by the quarter-wave plate is consistent with the fast axis or slow axis direction of the quarter-wave plate, the linearly polarized light still becomes linearly polarized light after passing through the quarter-wave plate; when the polarization direction of linearly polarized light incident by the quarter-wave plate and the direction of the fast axis or the slow axis of the quarter-wave plate form 45 degrees, the linearly polarized light can be converted into circularly polarized light; when the polarization direction of the linearly polarized light incident by the quarter-wave plate and the direction of the fast axis or the slow axis of the quarter-wave plate are at other angles, the linearly polarized light is converted into elliptically polarized light after passing through the quarter-wave plate.
In the liquid crystal panel, a preset angle is formed between the fast axis of the quarter-wave plate 4 and the polarizing axis of the lower polarizer 1; wherein,
when the preset angle is 90 degrees or 0 degrees, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer 1 is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer 2, and the included angle between the linearly polarized light and the fast axis of the quarter-wavelength plate 4 is 0 degree or 90 degrees, so that the light which is transmitted through the quarter-wavelength plate 4 is still linearly polarized light; at this time, the included angle between the fast axis of the quarter-wave plate 33 and the polarization axis of the polarization film 31 in the contact lens 3 is 0 degree or 90 degrees, and when the polarization axis of the polarization film 31 and the polarization axis of the lower polarization plate 1 are perpendicular or parallel to each other, the picture of the liquid crystal panel can be normally displayed through the contact lens 3.
When the preset angle is 45 degrees, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer 1 is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer 2, and the included angle between the linearly polarized light and the fast axis of the quarter-wavelength plate 4 is 45 degrees, so that the light which is transmitted through the quarter-wavelength plate 4 is circularly polarized light; at this time, when the included angle between the fast axis of the quarter-wave plate 33 in the contact lens 3 and the polarization axis of the polarization film 31 is 45 degrees, and the angle between the polarization axis of the polarization film 31 in the contact lens 3 and the polarization axis of the lower polarization plate 1 in the liquid crystal panel is an arbitrary value, the picture of the liquid crystal panel can be normally displayed through the contact lens 3.
When the preset angle is other acute angles, the polarization direction of the linearly polarized light which is transmitted through the lower polarizer 1 is rotated by 90 degrees or 0 degrees when the linearly polarized light is transmitted through the liquid crystal layer 2, and the included angle between the linearly polarized light and the fast axis of the quarter-wavelength plate 4 is an acute angle and is not 45 degrees, so that the light which is transmitted through the quarter-wavelength plate 4 is elliptically polarized light; if the included angle between the fast axis of the quarter-wavelength plate 33 in the contact lens 3 and the polarization axis of the polarization film 31 is equal to the preset angle, the normal display can be performed when the quarter-wavelength plate 4 is perpendicular to the fast axis of the quarter-wavelength plate 33; if the sum of the angle between the fast axis of the quarter-wave plate 33 in the contact lens 3 and the polarizing film 31 and the predetermined angle is 90 degrees, normal display is possible when the fast axis of the quarter-wave plate 4 and the quarter-wave plate 33 are parallel.
Preferably, the predetermined angle between the fast axis of the quarter-wave plate 4 and the polarizing axis of the lower polarizer 1 is 45 degrees.
As shown in fig. 5 and 6, preferably, the display system further includes a signal emitter 5, and the polarizing film includes:
a liquid crystal cell body 321;
a liquid crystal layer doped with dichroic dye molecules and located in the liquid crystal cell body 321;
a driving electrode 324 disposed in the liquid crystal cell 321 to drive the liquid crystal layer;
a power control module 323 electrically connected to the driving electrode 324;
and the signal receiver 322 is in signal connection with the signal transmitter 5 and the power control module 323 and controls the on-off of the power between the power control module 323 and the driving electrode 324 according to the signal transmitted by the signal transmitter 5.
The user transmits a control signal through the signal transmitter 5, and the signal receiver 322 receives the control signal and then controls the power control module to provide a corresponding voltage to the driving electrode 324, so as to control the arrangement of the liquid crystal molecules in the liquid crystal layer in the liquid crystal box 321 through the driving electrode 324, and the arrangement direction of the dichroic dye molecules is adjusted under the driving of the liquid crystal molecules, so as to control the polarizing film 31 to switch between the transparent state and the polarizing state.
In the display system, the upper polarization component in the contact lens can be switched between the transparent state and the polarization state, so that the flexibility of a user in use is improved.
In a preferred embodiment, to ensure adequate power in the contact lens 3, the power control module 323 includes a solar cell.
Of course, in addition to the above embodiments, the contact lens 3 of the display system may further include a lubricating layer to improve comfort when the user wears the contact lens; a functional layer such as a protective layer may be provided to improve the life of the contact lens 3.
Furthermore, in the contact lens, electronic components such as a signal receiver, a power control module, a driving electrode and the like are flexibly and hermetically packaged by adopting a high-density oxygen-blocking and water-blocking safe biological material, but the other areas adopt oxygen-permeable and water-permeable materials to protect the eye health of a user.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A display system, comprising:
the liquid crystal display panel is provided with a Thin Film Transistor (TFT) array substrate, a color film substrate and a liquid crystal layer positioned between the TFT array substrate and the color film substrate, and one side of the TFT array substrate, which is far away from the liquid crystal layer, is provided with a lower polarizer;
two contact lenses, each contact lens having an upper polarizing component;
in each of the contact lenses, the upper polarization member includes a polarization film made of a flexible biomaterial and a signal transmitter, the polarization film including:
a liquid crystal box body;
the liquid crystal layer is positioned in the liquid crystal box body and is doped with dichroic dye molecules;
a driving electrode disposed on the liquid crystal cell body to drive the liquid crystal layer;
the power supply control module is electrically connected with the driving electrode;
the signal receiver is in signal connection with the signal transmitter and the power control module and controls the power supply between the power control module and the driving electrode to be switched on and off according to the signal transmitted by the signal transmitter;
in the polarizing film, the signal receiver, the power supply control module and the driving electrode are flexibly sealed and packaged by adopting high-density oxygen-blocking and water-blocking safe biological materials, and other areas of the polarizing film adopt oxygen-permeable and water-permeable materials.
2. The display system of claim 1, wherein the polarizing film has a concave lens structure or a convex lens structure.
3. The display system of claim 1, wherein the contact lens further comprises a flexible substrate, the polarizing film is superimposed with the flexible substrate, and the polarizing film is located on a pupil-covering portion of the flexible substrate.
4. The display system according to claim 3, wherein the flexible substrate has a concave lens structure or a convex lens structure.
5. The display system of claim 4, wherein the polarizing film is located on a light entry side of the flexible substrate.
6. The display system according to claim 1, wherein the liquid crystal panel has a quarter-wave plate on a side of the liquid crystal layer facing away from the TFT array substrate, and a fast axis of the quarter-wave plate in the liquid crystal panel forms a predetermined angle with a polarization axis of the lower polarizer, and the predetermined angle is greater than or equal to 0 degrees and less than or equal to 90 degrees;
the upper polarization component further comprises a quarter-wave plate positioned on the light incident side of the polarization film, and an angle formed between the fast axis of the quarter-wave plate in the upper polarization component and the polarization axis of the polarization film is equal to the preset angle or the sum of the angles is 90 degrees.
7. The display system of claim 6, wherein the predetermined angle is 45 degrees.
8. The display system of claim 1, wherein the power control module comprises a solar cell.
CN201310740705.2A 2013-12-26 2013-12-26 A kind of display system Active CN103713419B (en)

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CN104166251A (en) 2014-06-19 2014-11-26 京东方科技集团股份有限公司 Illuminating system, illuminating device and receiving device
CN107450182A (en) * 2017-09-08 2017-12-08 深圳市昊日科技有限公司 Ar contact lenses
CN107885022A (en) * 2017-12-28 2018-04-06 深圳市华星光电技术有限公司 Double-lens laser projector display device and its application method
CN109633910B (en) * 2019-01-14 2021-11-05 京东方科技集团股份有限公司 AR/VR contact lens, manufacturing method thereof and electronic equipment

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