CN117631358A - Screen moire eliminating method and device - Google Patents
Screen moire eliminating method and device Download PDFInfo
- Publication number
- CN117631358A CN117631358A CN202311608442.XA CN202311608442A CN117631358A CN 117631358 A CN117631358 A CN 117631358A CN 202311608442 A CN202311608442 A CN 202311608442A CN 117631358 A CN117631358 A CN 117631358A
- Authority
- CN
- China
- Prior art keywords
- screen
- display
- display unit
- side wall
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000009792 diffusion process Methods 0.000 claims abstract description 45
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 238000000889 atomisation Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000008859 change Effects 0.000 claims abstract description 5
- 239000000853 adhesive Substances 0.000 claims description 23
- 230000001070 adhesive effect Effects 0.000 claims description 23
- 238000007373 indentation Methods 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000031700 light absorption Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000005304 optical glass Substances 0.000 claims description 3
- 230000003667 anti-reflective effect Effects 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract description 18
- 239000005020 polyethylene terephthalate Substances 0.000 abstract description 18
- 239000003292 glue Substances 0.000 abstract description 4
- -1 polyethylene terephthalate Polymers 0.000 abstract description 2
- 239000005341 toughened glass Substances 0.000 abstract 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 17
- 238000001816 cooling Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- 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
- G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention belongs to the technical field of displays, in particular to a screen moire eliminating method and a screen moire eliminating device, which are characterized in that a display unit, optical glue or other transparent glue, a diffusion plate or a micro lens atomization plate, a transparent PET (polyethylene terephthalate) supporting material or toughened glass are used for manufacturing, although the brightness of the display unit is lost to a certain extent, the brightness of a backlight source of the display unit can be improved, and the brightness of the display unit is changed along with the change of the ambient illuminance by adding a brightness sensor. The display unit suppresses mole lines and further eliminates screen reflection, can be well applied to the fields of classroom teaching, conference display panel integrated machines, ship cabins and the like, and solves the problem of reflection of natural light such as lamplight, doors and windows, so that a viewer does not need to move to see the display content of the whole screen.
Description
Technical Field
The invention belongs to the technical field of displays, and particularly relates to a screen moire eliminating method and a screen moire eliminating device.
Background
The prior display technology has certain reflection problems, and the display technology is roughly classified into: projection display (including front projection and rear projection), liquid crystal display, and LED self-luminous display (including COB or SMT packaging technology).
The display is applied to the current information visualization, is ubiquitous, is small in a mobile phone, is large in a meeting reporting hall, is a command center and the like, is applied to a large amount of liquid crystal displays with low cost, such as televisions, meeting touch integrated commercial display, education and teaching touch integrated machines and the like.
However, the manufacturing structure of the display screen is that when the display screen is used in bright environments such as halls, meeting rooms, classrooms and outdoors, the liquid crystal display and the LED self-luminous display packaged by the COB mostly cause certain mirror reflection on the surface of the screen to form bright spots in specific areas, particularly, the application of touch interaction technology is greatly developed, the acquisition and communication of information are convenient for people, the labeling, annotation and the like during information communication are convenient, the touch interaction technology is mainly capacitive and infrared touch technology, the unavoidable direct touch with the display is realized during touch, the AG anti-dazzle glass is added in front of the display screen for protecting the display screen from being damaged during touch, the mirror reflection spot phenomenon is more caused, particularly, in the classrooms, training rooms and the outdoor application scenes such as unmanned aerial vehicle flight display, the mirror reflection spot position can be invisible or invisible, and key information cannot be seen due to free movement of the position of a viewer.
Disclosure of Invention
In order to overcome the defects in the prior art and solve at least one technical problem in the background art, the invention provides a screen moire eliminating method and a screen moire eliminating device.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a screen mole line eliminating method and a device thereof, which are characterized in that an optical adhesive or other transparent adhesive, a diffusion plate or a micro lens atomization plate, a transparent PET supporting material and a transparent TPU matrix are sequentially attached in front of a display unit, triangle-shaped tooth marks are precisely pressed on the transparent TPU matrix, one side of an indentation triangle is plated with a thin black ink layer to form a horizontal stripe grid structure, and simultaneously, the display effect of the display unit is improved, and the brightness of a backlight source is increased.
Preferably, the method for inhibiting the moire between the grids is characterized in that a layer of diffusion plate or micro-lens atomization plate is stuck between the pixel grid of the display unit and the stripe grid formed by black coating on the precise indentation, the diffusion plate or micro-lens atomization plate does not influence the sharpness and definition of the display image of the display unit, the brightness and the haze of the diffusion plate or micro-lens atomization plate are controlled between 60% and 93%, and the total light transmittance of the diffusion plate or micro-lens atomization plate is controlled between 60% and 93%.
Preferably, the diffuser substrate is PET, PP, PVC, EVA, PO or TPU, and preferably, the diffuser particles are precisely coated on both sides during manufacture of the diffuser.
Preferably, the method is characterized in that after the optical cement is adhered to the two surfaces of the micro-lens atomization plate of the diffusion plate, the brightness and haze of the diffusion plate are controlled to be 50% -90%, and the light transmittance is kept between 70% -95%.
Preferably, the structure capable of eliminating screen reflection is characterized by comprising a structure in which triangular tooth marks are precisely pressed on a transparent TPU substrate supported by PET or other transparent materials, a thin black ink layer is plated on the horizontal surface of an indentation triangle to form a horizontal stripe grating structure, the triangular indentation is approximately 90-degree triangle, the right angle side of the triangle is about 0.2-0.4mm in length, the right angle bottom of the triangle is about 0.2-0.4mm, the thickness of black ink plated on the horizontal surface of the right angle side of the triangle is controlled to be 0.05-0.15mm, the maximum reduction of light loss is ensured, and the horizontal stripe grating can enable orientation or stray light from all angles in front of a screen, especially an orientation light source formed by lamplight or a window, to eliminate screen reflection, so that a viewer can not see specific light spots affecting reflection on the screen of detail.
Preferably, the method is characterized in that: the PET supporting layer is replaced by organic glass or toughened optical glass.
Preferably, the display unit is characterized in that the display screen is sequentially laminated with optical glue, a diffusion plate or a micro-lens atomization plate, and the optical glue is pressed into a combination of light absorption grid structures by a transparent medium PET supporting TPU.
Preferably, the method is characterized in that: the diffuser plate is replaced by AG frosted film with haze of 20% -95%.
Preferably, the method is characterized in that: to improve the effect of the display unit, the brightness of the backlight source of the display unit is increased, and a brightness sensor is added at the same time, so that the front brightness of the display unit screen is changed along with the change of the illumination environment of the ambient light, and when the ambient light illumination is 300-500LUX, the screen brightness is controlled to be 240-300cd/m 2 The method comprises the steps of carrying out a first treatment on the surface of the When the ambient light is 500-1000LUX, the screen brightness is controlled at 300-600cd/m 2 。
Preferably, the display unit is mainly a liquid crystal display, and the COB technology packages an LED display or a rear projection display.
Further, as shown in fig. 1 to 7, the method for eliminating moire is also applicable to a projection screen, and can eliminate moire phenomenon between a dodging prism and a grating of an optical projection screen without affecting imaging of the projection screen.
Preferably, the liquid crystal display includes a display body; the side wall of the display body is fixedly connected with a fixing rod; the end part of the fixed rod is fixedly connected with a supporting plate; the bottom of the display body is detachably provided with a radiating pipe; air inlets are formed in two sides of the radiating pipe; the inner side wall of the radiating pipe is provided with a fixing frame; an air outlet is arranged at the end part of the radiating pipe; a plurality of groups of heat dissipation holes are formed in the side wall of the display body; the inner side wall of the fixing frame is fixedly connected with a fixing plate; the end part of the fixing plate is fixedly connected with a fan.
Preferably, the inner side wall of the radiating pipe is fixedly connected with two pairs of limiting blocks; the limiting blocks are symmetrically arranged; a pair of fixing grooves are formed in the side wall of the fixing frame; the limiting block and the end part of the fixed groove are both arc-shaped; and the side wall of the limiting block is provided with a groove.
Preferably, the inner side wall of the groove is provided with a first magnet; the first magnet is fixedly connected to the inner side wall of the groove; the inner side wall of the fixed groove is provided with a second magnet; the second magnet is fixedly connected to the inner side wall of the fixed groove; the second magnet corresponds to the groove in position.
Preferably, a pair of limiters are arranged at the end parts of the limiting blocks; the limiters are symmetrically arranged; the limiter is rotationally connected to the end part of the limiting block.
Preferably, a filter screen is arranged on the inner side wall of the radiating pipe; the filter screen is fixedly connected to the inner side wall of the radiating pipe.
The invention has the beneficial effects that:
the invention provides a screen mole line eliminating method and a device thereof, which is formed by eliminating the screen surface mirror reflection horizontal stripe grating structure, namely precisely pressing triangle-shaped tooth trace on a transparent TPU substrate supported by PET or other transparent materials, plating a layer of thin black ink on the horizontal surface of an indentation triangle to form a horizontal stripe grating structure, wherein the triangle indentation is approximately 90 DEG triangle, further, the right angle high side is about 0.2-0.4mm, the right angle bottom is about 0.2-0.3mm, the thickness of the black ink plated on the horizontal surface of the right angle side is controlled to be 0.05-0.1mm, the maximum difference of light loss is ensured, when the horizontal stripe grating is directly attached to a display (liquid crystal or an LED packaged by COB), because the interval frequency of the grating interferes with the display pixels and the interval frequency of the pixels, the novel interference pattern, namely the moire effect, is generated, and can be effectively inhibited by adding a diffusion plate between a horizontal stripe grating and a display in order to inhibit the moire effect, further, the brightness haze of the diffusion plate is controlled between 60 percent and 93 percent, the total light transmittance of the diffusion plate is controlled between 60 percent and 93 percent, and when the diffusion plate is manufactured, preferably, double-sided precision coating diffusion particles are adopted to be optimal, further, after the diffusion plate is coated with optical cement on both sides, the haze of the diffusion plate is kept between 30 percent and 89 percent, the total light transmittance is kept between 60 percent and 95 percent, preferably, the diffusion plate which still keeps the sharpness and definition of display is attached, further, the mole pattern between the display unit pixels and the stripe grating formed by black coating on the precision indentation is effectively inhibited, the stripe grating formed by the black coating on the precise indentation can effectively absorb stray light such as lamplight and window natural light from different directions in front of the display unit, so that reflection of light on the surface of the display unit is eliminated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic diagram showing a combined side view structure of a display screen of the present invention sequentially laminated with an optical adhesive, a diffusion plate, and an optical adhesive, pressed into a light absorbing grid structure by a transparent medium PET supporting TPU
FIG. 2 is a schematic diagram of a combined three-dimensional side view structure of a display screen of the invention, which is formed by sequentially laminating optical cement, a diffusion plate and optical cement and pressing a light absorption grid structure by a transparent medium PET supporting TPU;
FIG. 3 is a perspective view of a display body according to the present invention;
FIG. 4 is a rear view of the display body of the present invention;
fig. 5 is a cross-sectional view of a radiating pipe in the present invention;
FIG. 6 is a perspective view of a holder according to the present invention;
fig. 7 is an enlarged view at a in fig. 6.
Legend description:
1. a display body; 11. a fixed rod; 12. a support plate; 13. a heat radiating pipe; 14. an air inlet; 15. a fixing frame; 16. an air outlet; 17. an air outlet of the display; 18. a fixing plate; 19. a fan; 2. a limiting block; 21. a fixing groove; 22. a groove; 3. a first magnet; 31. a second magnet; 4. a limiter; 5. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Specific examples are given below.
Referring to fig. 1-7, the invention provides a method and a device for eliminating screen moire, which are characterized in that an optical adhesive or other transparent adhesive, a diffusion plate or a micro lens atomization plate, a transparent PET supporting material and a transparent TPU substrate are sequentially attached in front of a display unit, triangular tooth marks are precisely pressed on the transparent TPU substrate, and one side of the triangle is plated with a thin black ink layer to form a horizontal stripe grid structure, and meanwhile, the display effect of the display unit is improved, and the brightness of a backlight source is increased.
Further, as shown in fig. 1 to 7, the method for suppressing moire between grids is characterized in that a layer of diffusion plate or micro-lens atomization plate is adhered between a pixel grid of a display unit and a stripe grid formed by black coating on a precision indentation, the diffusion plate or micro-lens atomization plate does not influence the sharpness and definition of a display image of the display unit, the brightness and haze of the diffusion plate or micro-lens atomization plate are controlled to be 60% -93%, and the total light transmittance of the diffusion plate or micro-lens atomization plate is controlled to be 60% -93%.
Further, as shown in fig. 1 to 7, the diffusion plate is preferably made of PET, PP, PVC, EVA, PO or TPU, and it is preferable to precisely coat diffusion particles on both sides during the manufacture of the diffusion plate.
Further, as shown in fig. 1 to 7, the brightness and haze of the diffusion plate are controlled to be 50% -90% after the optical cement is adhered to the two surfaces of the micro-lens atomization plate of the diffusion plate, and the light transmittance is kept between 70% -95%.
Further, as shown in fig. 1 to 7, the structure capable of eliminating reflection of the screen is characterized in that the structure is composed of a triangular tooth trace precisely pressed on a transparent TPU substrate supported by PET or other transparent materials, and a thin black ink layer is plated on one side of the horizontal surface of the triangle of the indentation to form a horizontal stripe grating structure, the triangle indentation is approximately 90 degrees triangle, the height side of the right angle is about 0.2 to 0.4mm, the bottom side of the right angle is about 0.2 to 0.4mm, the thickness of black ink plated on the horizontal surface of the right angle side of the right angle is controlled to be 0.05 to 0.15mm, the light loss is reduced to the greatest extent, and the horizontal stripe grating can absorb directional or stray light from all angles in front of the screen, especially directional light source formed by lamplight or window, so that reflection of the screen is eliminated, and a specific light spot affecting reflection of the detail on the screen cannot be seen by a viewer.
Further, as shown in fig. 1 to 7, the method is characterized in that: the PET supporting layer is replaced by organic glass or toughened optical glass.
Further, as shown in fig. 1 to 7, a display unit is characterized in that an optical adhesive, a diffusion plate or a micro-lens atomization plate, and an optical adhesive are sequentially attached to a display screen, and a combination of light absorption grid structures is formed by pressing a transparent medium PET supporting TPU.
Further, as shown in fig. 1 to 7, the method is characterized in that: the diffuser plate is replaced by AG frosted film with haze of 20% -95%.
Further, as shown in fig. 1 to 7, the method is characterized in that: to improve the effect of the display unit, the brightness of the backlight source of the display unit is increased, and a brightness sensor is added at the same time, so that the front brightness of the display unit screen is changed along with the change of the illumination environment of the ambient light, and when the ambient light illumination is 300-500LUX, the screen brightness is controlled to be 240-300cd/m 2 The method comprises the steps of carrying out a first treatment on the surface of the When the ambient light is 500-1000LUX, the screen brightness is controlled at 300-600cd/m 2 。
Further, as shown in fig. 1-7, the display unit is mainly a liquid crystal display, and COB technology encapsulates an LED display or a rear projection display.
Further, as shown in fig. 1 to 7, the method for eliminating moire is also applicable to a projection screen, and can eliminate moire phenomenon between a dodging prism and a grating of an optical projection screen without affecting imaging of the projection screen.
Further, as shown in fig. 1 to 7, the liquid crystal display includes a display body 1; the side wall of the display body 1 is fixedly connected with a fixing rod 11; the end part of the fixed rod 11 is fixedly connected with a supporting plate 12; the bottom of the display body 1 is detachably provided with a radiating pipe 13; the two sides of the radiating pipe 13 are provided with air inlets 14; the inner side wall of the radiating pipe 13 is provided with a fixing frame 15; an air outlet 16 is arranged at the end part of the radiating pipe 13; a plurality of groups of heat dissipation holes 17 are formed in the side wall of the display body 1; the inner side wall of the fixed frame 15 is fixedly connected with a fixed plate 18; the fan 19 is fixedly connected to the end of the fixing plate 18, when the display is operated, stray light in different directions, such as lamplight, outside natural light of a window can be irradiated to the surface of the display 1, and the display 1 can emit a large amount of heat when operated, and the heat dissipation of the display 1 mainly depends on passive heat dissipation, equipment is subjected to the irradiation of the stray light, such as lamplight and outside natural light of the window in hot weather, and the heat generated by the equipment is generated, so that the internal heat collection of the display 1 is serious, and the damage of electronic elements in the display 1 is caused to cause circuit faults, and through the arranged heat dissipation pipe 13, the wind is sucked from the air inlet 14 by the fan 19, then can be discharged from the air outlet 16 and enter the display 1, and finally is discharged from the heat dissipation hole 17.
Further, as shown in fig. 1-7, two pairs of limiting blocks 2 are fixedly connected to the inner side wall of the radiating pipe 13; the limiting blocks 2 are symmetrically arranged; a pair of fixing grooves 21 are formed in the side wall of the fixing frame 15; the ends of the limiting block 2 and the fixing groove 21 are arc-shaped; the recess 22 has been seted up to stopper 2 lateral wall, and during operation is through stopper 2 and the fixed slot 21 of seting up that set up, a concave protruding in both sides to fix mount 15 inside cooling tube 13, and then effectually made things convenient for the staff to fix the installation of mount 15, thereby effectually simplified the installation step of mount 15.
Further, as shown in fig. 1-7, the inner side wall of the groove 22 is provided with a first magnet 3; the first magnet 3 is fixedly connected to the inner side wall of the groove 22; the inner side wall of the fixed groove 21 is provided with a second magnet 31; the second magnet 31 is fixedly connected to the inner side wall of the fixed slot 21; the second magnet 31 corresponds with the recess 22 position, and during operation, when installing mount 15, need go into recess 22 inside with the second magnet 31, then push into cooling tube 13 inside wall both sides with mount 15, through first magnet 3 and the second magnet 31 that set up, when first magnet 3 and second magnet 31 meet, can adsorb together, and then fix the mount 15 to this accomplish the fixed to equipment, this step is effectual has simplified the staff to the fixed step of equipment, has reduced the work load of staff when fixed.
Further, as shown in fig. 1-7, a pair of limiters 4 are arranged at the end of the limiting block 2; the limiters 4 are symmetrically arranged; the stopper 4 rotate and connect at stopper 2 tip, and during operation, after the staff installs mount 15 inside cooling tube 13, the rotatory stopper 4 of staff for the one end that the stopper 4 was prolonged removes mount 15 department, and then fixes mount 15 inside cooling tube 13, with this fixed to equipment of accomplishing, thereby effectually increased the fixed effect of equipment, the condition that the equipment appears rocking is reduced.
Further, as shown in fig. 1-7, a filter screen 5 is disposed on the inner side wall of the radiating tube 13; the filter screen 5 rigid coupling is at cooling tube 13 inside wall, and during operation, through the filter screen 5 that sets up, the effectual dust impurity that has reduced enters into the inside condition of display body 1 from air outlet 16 to the effectual radiating effect who increases equipment reduces the temperature of equipment when the operation, reduces the influence of high temperature to equipment, increases the life of equipment.
Working principle: the color filter consists of a display unit, optical cement or other transparent adhesive, a diffusion plate or a micro-lens atomization plate, a transparent PET (polyethylene terephthalate) supporting material and a transparent TPU (thermoplastic polyurethane) substrate, wherein triangular tooth marks are precisely pressed on the transparent TPU substrate, one side of an indentation triangle is plated with a thin black ink structure, and the diffusion plate or the micro-lens atomization plate in the structure can effectively inhibit mole patterns between pixels of the display unit and a stripe grid formed by black coating on a precise indentation, and further, the stripe grid formed by black coating on the precise indentation can effectively absorb stray light such as lamplight and window natural light from different directions in front of the display unit, so that reflection on the surface of the display unit is eliminated, and the color filter consists of the following components: the optical adhesive or other transparent adhesive 2 is sequentially attached to the display unit 1, the diffusion plate or micro lens atomization plate 3 is attached to the front of the optical adhesive or other transparent adhesive 2, the diffusion plate or micro lens atomization plate 3 is attached to the front of the optical adhesive or other transparent adhesive 4, the transparent PET supporting material 5 is attached to the front of the optical adhesive or other transparent adhesive 4, the triangular tooth trace 6 is precisely pressed on the transparent TPU substrate, one side of the triangle of the triangular tooth trace 6 is plated with a thin black ink 7, because the diffusion plate or micro lens atomization plate has certain brightness and good light permeability, the double-sided attached optical adhesive or other transparent adhesive can effectively inhibit the mole patterns between the pixels of the display unit and the stripe gratings, the display sharpness and the definition are hardly affected, further, the stripe grating formed by black coating on the precise indentation can effectively absorb stray light such as lamplight and window natural light from different directions in front of the display unit, so that the reflection problem of the surface of the display unit can be effectively solved, the brightness of the backlight source of the display unit can be improved although the brightness of the display unit is lost to a certain extent due to the manufacture, and the brightness of the display unit can be changed along with the change of the ambient illuminance by adding the brightness sensor, the practicability and the feasibility of mass production are realized, the display unit inhibits the mole lines, thereby eliminating the screen reflection, can be well applied to the fields of classroom teaching, conference display panel integrated machines, ship cabins and the like, solves the reflection problem of the natural light such as lamplight, doors and windows, ensures that viewers do not need to move to see the whole screen display content, when the display body is in operation, stray light in different directions, such as lamplight, outside natural light of a window irradiates the surface of the display body, the display body emits a large amount of heat during operation, the heat dissipation of the display body mainly depends on passive heat dissipation, under the irradiation of the stray light, such as lamplight and outside natural light of the window, the heat dissipation of the display body is added under the irradiation of the stray light, such as the lamplight, so that the internal heat collection of the display body is serious, the electronic elements in the display body are damaged to cause circuit faults, the arranged heat dissipation pipes enable air to be sucked from an air inlet by the fans due to the pair of fans arranged in the heat dissipation pipes, then can be discharged from an air outlet and enter the display body, finally, the air is discharged from a heat dissipation hole, and the air fluidity in the display body is increased, so that the effect of passive heat dissipation is effectively improved, the air can take away a large amount of heat, so that the temperature of the display body during operation is reduced, the influence of high temperature on the display body is reduced, the stability of equipment operation is improved, a limit block and a fixing groove are arranged, the two sides are concave and convex, the fixing frame is fixed inside the radiating pipe, and further, the fixing of the fixing frame by workers is effectively facilitated, the mounting step of the fixing frame is effectively simplified, when the fixing frame is mounted, the second magnet is required to be put into the groove, then the fixing frame is pushed into the two sides of the inner side wall of the radiating pipe, the first magnet and the second magnet are arranged, when the first magnet and the second magnet meet, the fixing frame is adsorbed together, the fixing of the equipment is further completed, the fixing step of the equipment by workers is effectively simplified, the work load of staff when fixed has been reduced, install the mount at the inside back of cooling tube at the staff, rotatory stopper of staff for the one end of stopper extension is removed to mount department, and then is fixed the mount inside the cooling tube, with this fixed to equipment of accomplishing, thereby effectually increased the fixed effect of equipment, the condition that rocks appears in the reduction equipment, through the filter screen that sets up, the effectual dust impurity that has reduced enters into the inside condition of display body from the air outlet, thereby effectually increased the radiating effect of equipment, the temperature of reduction equipment when the operation, reduce the influence of high temperature to equipment, the life of increase equipment.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (16)
1. A method for suppressing the mole lines between grids and eliminating the reflection of screen is characterized by that an optical adhesive or other transparent adhesive, a diffusing plate or micro lens atomized plate, a transparent PET supporting material and a transparent TPU substrate are sequentially attached to the front of display unit, the triangle-shaped tooth lines are precisely pressed on the transparent TPU substrate, and a layer of thin black ink is plated on one surface of the triangle to form a horizontal stripe grid structure.
2. The method of claim 1, wherein a diffusion plate or a micro-lens atomization plate is attached between the pixel grid of the display unit and the stripe grid formed by black coating on the precision indentation, the diffusion plate or the micro-lens atomization plate does not influence the sharpness and the definition of the display image of the display unit, the brightness and the haze of the diffusion plate or the micro-lens atomization plate are controlled between 60% and 93%, and the full light transmittance of the diffusion plate or the micro-lens atomization plate is controlled between 60% and 93%.
3. As claimed in claim 2, the diffusion plate is made of PET, PP, PVC, EVA, PO or TPU, and it is preferable to precisely coat the diffusion particles on both sides during the manufacture of the diffusion plate.
4. The method of claim 2, wherein after the optical cement is adhered to both sides of the micro-lens atomization plate of the diffusion plate, the brightness and haze of the diffusion plate are controlled to be 50% -90%, and the light transmittance is kept between 70% -95%.
5. The structure as claimed in claim 1, wherein the structure capable of eliminating reflection of the screen is composed of a structure in which triangular teeth marks are precisely pressed on a transparent TPU substrate supported by PET or other transparent materials, and a thin black ink layer is plated on one horizontal surface of the triangular teeth marks to form a horizontal stripe grating structure, wherein the triangular teeth marks are approximately 90 degrees triangle, the right angle side length of the triangle is approximately 0.2-0.4mm, the right angle bottom side of the triangle is approximately 0.2-0.4mm, the thickness of the black ink plated on the horizontal surface of the right angle side of the triangle is controlled to be 0.05-0.15mm, the light loss is reduced to the greatest extent, and the horizontal stripe grating can enable the orientation or stray light from all angles in front of the screen to be absorbed, especially the orientation light source formed by lamplight or stray light, so that reflection of the screen is eliminated, and a specific light spot affecting reflection of the detail on the screen can not be seen by a viewer.
6. The anti-reflective structure of claim 4, wherein: the PET supporting layer is replaced by organic glass or toughened optical glass.
7. The display unit according to claim 1, 2, 3, 4, 5, wherein the display screen is sequentially laminated with an optical adhesive, a diffusion plate or a micro-lens atomization plate, and the optical adhesive is pressed into a combination of light absorption grid structures by a transparent medium PET supporting TPU.
8. The method as claimed in claim 2, wherein: the diffuser plate is replaced by AG frosted film with haze of 20% -95%.
9. The method as claimed in claim 1, wherein: to improve the effect of the display unit, the brightness of the backlight source of the display unit is increased, and a brightness sensor is added at the same time, so that the front brightness of the display unit screen is changed along with the change of the illumination environment of the ambient light, and when the ambient light illumination is 300-500LUX, the screen brightness is controlled to be 240-300cd/m 2 The method comprises the steps of carrying out a first treatment on the surface of the When the ambient light is 500-1000LUX, the screen brightness is controlled at 300-600cd/m 2 。
10. The apparatus of claim 1, wherein the display unit is primarily a liquid crystal display, and wherein COB technology encapsulates the LED display or the rear projection display.
11. The method of claim 2, wherein the moire eliminating method is equally applicable to a projection screen, and wherein moire between a light homogenizing prism and a grating of an optical projection screen is eliminated without affecting imaging of the projection screen.
12. The method as claimed in claim 10, wherein: the liquid crystal display comprises a display body (1); the side wall of the display body (1) is fixedly connected with a fixing rod (11); a supporting plate (12) is fixedly connected to the end part of the fixed rod (11); a radiating pipe (13) is detachably arranged at the bottom of the display body (1); air inlets (14) are formed in two sides of the radiating pipe (13); the inner side wall of the radiating pipe (13) is provided with a fixing frame (15); an air outlet (16) is arranged at the end part of the radiating pipe (13); a plurality of groups of heat dissipation holes (17) are formed in the side wall of the display body (1); the inner side wall of the fixing frame (15) is fixedly connected with a fixing plate (18); a fan (19) is fixedly connected to the end part of the fixing plate (18).
13. The method as claimed in claim 12, wherein: two pairs of limiting blocks (2) are fixedly connected to the inner side wall of the radiating pipe (13); the limiting blocks (2) are symmetrically arranged; a pair of fixing grooves (21) are formed in the side wall of the fixing frame (15); the ends of the limiting block (2) and the fixing groove (21) are arc-shaped; the side wall of the limiting block (2) is provided with a groove (22).
14. The method as set forth in claim 13, wherein: the inner side wall of the groove (22) is provided with a first magnet (3); the first magnet (3) is fixedly connected to the inner side wall of the groove (22); the inner side wall of the fixed groove (21) is provided with a second magnet (31); the second magnet (31) is fixedly connected to the inner side wall of the fixed groove (21); the second magnet (31) corresponds to the groove (22) in position.
15. The method as set forth in claim 13, wherein: a pair of limiters (4) are arranged at the end parts of the limiting blocks (2); the limiters (4) are symmetrically arranged; the limiter (4) is rotationally connected to the end part of the limiting block (2).
16. The method as claimed in claim 12, wherein: the inner side wall of the radiating pipe (13) is provided with a filter screen (5); the filter screen (5) is fixedly connected to the inner side wall of the radiating pipe (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311608442.XA CN117631358A (en) | 2023-11-29 | 2023-11-29 | Screen moire eliminating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311608442.XA CN117631358A (en) | 2023-11-29 | 2023-11-29 | Screen moire eliminating method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117631358A true CN117631358A (en) | 2024-03-01 |
Family
ID=90017613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311608442.XA Pending CN117631358A (en) | 2023-11-29 | 2023-11-29 | Screen moire eliminating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117631358A (en) |
-
2023
- 2023-11-29 CN CN202311608442.XA patent/CN117631358A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110441982B (en) | Screen housing and image display system | |
| CN109683399A (en) | Display module and display device | |
| CN105280111A (en) | Transparent display | |
| CN103150970B (en) | LED display | |
| US20170131454A1 (en) | Backlight module and liquid crystal display device comprising the same | |
| CN110196514A (en) | A kind of backlight module and its display device | |
| CN102708760A (en) | Device for eliminating joints of mosaic display screen | |
| CN108153024A (en) | Display module and display device | |
| CN1761912B (en) | Projection and/or rear projection screen | |
| CN103137029B (en) | LED display | |
| CN206627729U (en) | A kind of Transparence Display module and transparent display | |
| JP2008191613A (en) | Remote conference system | |
| CN102110395A (en) | Highly-transparent LED (light-emitting diode) display module | |
| CN221765889U (en) | Screen mole line eliminating device | |
| CN117631358A (en) | Screen moire eliminating method and device | |
| CN110209007B (en) | Reflective anti-light projection screen | |
| CN201780732U (en) | Novel LED dot-matrix display screen | |
| CN213780627U (en) | Projection curtain of anti ambient light | |
| CN2593297Y (en) | Antireflection LED display screen | |
| CN202887634U (en) | Light-emitting diode (LED) display module | |
| CN219832110U (en) | Anti-dazzle large-scale display screen | |
| CN203118361U (en) | Led display device | |
| CN213423915U (en) | External interaction equipment based on infrared touch control | |
| CN221354875U (en) | LED display screen filled with optical heat conduction nano material | |
| CN204945602U (en) | A kind of light leakage rear projection display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |