CN113888957B - Modulation component for pixel time sequence light splitting - Google Patents
Modulation component for pixel time sequence light splitting Download PDFInfo
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- CN113888957B CN113888957B CN202111226851.4A CN202111226851A CN113888957B CN 113888957 B CN113888957 B CN 113888957B CN 202111226851 A CN202111226851 A CN 202111226851A CN 113888957 B CN113888957 B CN 113888957B
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- point light
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- light
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Abstract
The application discloses a modulating component for pixel time sequence light splitting, which comprises: the backlight module comprises a plurality of single-point light sources; the projection panel is correspondingly arranged at one side of the backlight module and is used for modulating the single point light emitted by the single point light source into multi-point light; the control panel is arranged on the projection panel in a laminating mode and used for controlling the quantity of single-point light projected on the projection panel. According to the application, the projection panel is arranged on one side of the backlight module, and the projection panel modulates the single-point light emitted by the single-point light source on the backlight module into the multi-point light, so that the density of the color points is increased under the condition of not changing the number of the light sources, the same display effect as that of the micro LED and miniLED technologies can be realized, the production cost is reduced, the number of single-point light projections is controlled through the control panel, the generated multi-point light is independently controlled, the display effect of the image is improved, and a better watching effect is provided for users.
Description
Technical Field
The application relates to the technical field of image display, in particular to a modulating component for pixel time sequence light splitting.
Background
With the rapid development of technology, display technologies are iterating at a very fast speed, for example, micro led display technologies and miniLED display technologies are applied as the latest generation of display technologies to be successfully carried on display products, and compared with the traditional OLED technologies, the display technologies have the beneficial effects of higher brightness, better luminous efficiency and lower power consumption.
In the prior art, the new generation of display technology microLEDs and miniLEDs can realize precise dynamic backlight effect, and the principle is that the size of the LEDs for realizing the light-emitting effect is precisely limited, but the high-density LED backlight module can also cause high heating, and the high selling price also causes that the technology cannot be popularized in the public in a short period.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
In order to solve the problems that a high-density backlight module in a new generation of display technology microLEDs and miniLEDs can cause high heat productivity, and the manufacturing cost is high and the popularization to the market is difficult, the application provides a modulating component for pixel time sequence light splitting, which is realized by the following technical scheme:
a modulation component for pixel timing spectroscopy, wherein the modulation component for pixel timing spectroscopy comprises:
the backlight module comprises a plurality of single-point light sources;
the backlight module is correspondingly arranged on one side of the projection panel, and the projection panel is used for modulating the single-point light emitted by the single-point light source into multi-point light;
the control panel is attached to the projection panel and used for controlling the quantity of the single-point light projected on the projection panel.
The modulating component for pixel time sequence light splitting, wherein the modulating component for pixel time sequence light splitting further comprises:
the display panel is correspondingly arranged on the other side of the projection panel, and a plurality of multi-point lights are projected on the display panel.
The modulating component for the pixel time sequence light splitting is characterized in that a plurality of light splitting units are arranged on the projection panel in an array mode, and the light splitting units correspond to the single-point light sources arranged on the backlight module.
The pixel time sequence light-splitting modulation component is characterized in that the control panel is arranged on the opposite side of the projection panel corresponding to the backlight module.
The modulating component for the pixel time sequence light splitting is characterized in that a plurality of control groups are arranged on the control panel in an array mode, the number of the control groups is the same as that of the light splitting units, and the control groups are arranged in one-to-one correspondence with the light splitting units.
The pixel time sequence light-splitting modulation component comprises a plurality of control units which are arranged in an array, and the control units are connected with a power supply and independently controlled.
The modulating component for the pixel time sequence light splitting is characterized in that a controller is further arranged on one side of the control panel, the controller is in circuit connection with a plurality of control units, and the controller is in signal connection with the backlight module.
The pixel time sequence light-splitting modulation component is characterized in that the control unit is a component made of photoelectric control materials.
The application has the beneficial effects that: according to the application, the projection panel is arranged on one side of the backlight module, and the projection panel is used for modulating the single-point light emitted by the single-point light source on the backlight module into the multi-point light, so that the density of the color points is increased under the condition of not changing the number of the light sources, the same display effect as that of micro LEDs and miniLEDs can be realized, the production cost is reduced, the control panel is also arranged on the modulation panel in a bonding manner, the number of single-point light projections is controlled by the control panel, the generated multi-point light is independently controlled, the display effect of images is improved, and a better watching effect is provided for users.
Drawings
FIG. 1 is a schematic diagram of a split image control unit of the present application;
in fig. 1: 100. a backlight module; 110. a single point light source; 200. a projection panel; 210. a light splitting unit; 300. a control panel; 310. a control group; 311. a control unit; 400. a display panel; 500. and a controller.
Detailed Description
In order to make the objects, technical solutions and effects of the present application clearer and more specific, the present application will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are involved in the embodiment of the present application, the directional indications are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
In the prior art, the new generation of display technology microLEDs and miniLEDs can realize precise dynamic backlight effect, and the principle is that the size of the LEDs for realizing the light-emitting effect is precisely limited, but the high-density LED backlight module can also cause high heating, and the high selling price also causes that the technology cannot be popularized in the public in a short period.
In view of the foregoing problems in the prior art, the present application provides a modulating component for pixel timing spectroscopy, as shown in fig. 1, the modulating component for pixel timing spectroscopy includes: the backlight module 100, the backlight module 100 includes a plurality of single-point light sources 110; the projection panel 200, the backlight module 100 is correspondingly disposed at one side of the projection panel 200, and the projection panel 200 is used for modulating the single-point light emitted by the single-point light source 110 into multiple-point light; and a control panel 300, wherein the control panel 300 is attached to the projection panel 200, and the control panel 300 is used for controlling the quantity of single-point light projected on the projection panel 200.
According to the application, the projection panel 200 is arranged on one side of the backlight module 100, and the projection panel 200 is used for modulating the single-point light emitted by the single-point light source 110 on the backlight module 100 into multi-point light, so that the density of the color points is increased under the condition of not changing the number of the light sources, the same display effect as that of microLEDs and miniLEDs can be realized, the production cost is reduced, the number of single-point light projections is controlled through the control panel 300, the generated multi-point light is independently controlled, the display effect of an image is improved, and a better watching effect is provided for a user.
In the above embodiment, as shown in fig. 1, the modulating component for pixel timing light splitting of the present application includes a backlight module 100, a projection panel 200 and a control panel 300, wherein a plurality of single-point light sources 110 are disposed on the backlight module 100, in this embodiment, after the plurality of single-point light sources 110 on the backlight module 100 project on the projection panel 200, the light emitted by the single-point light sources 110 is modulated from the display state of the single-point light to the display state of the multi-point light, the modulated multi-point light is arranged in an array, and the basic color is not changed, that is, the splitting operation of the backlight pixels of the display is implemented.
Further, in actual use, the number of light spots transmitted through the transmissive panel is controlled by the control panel 300 attached to the projection panel 200, so as to control the amount of the generated multi-point light, and the actual feedback is to adjust the resolution, color gamut and brightness of the multi-point light generated image.
In another embodiment of the present application, as shown in fig. 1, the modulating assembly of the pixel timing light splitting module of the present application further includes a display panel 400, the backlight module 100 is disposed on one side of the projection panel 200, the display panel 400 is disposed on the other side of the projection panel 200, and the display panel 400 is configured to receive the multi-point light modulated by the projection panel 200 and display an image generated by the multi-point light.
In the present application, when the split image control unit 310 is actually applied to a display, two setting modes are included, that is, a display panel 400 is provided and a display panel 400 is not provided, when the display panel 400 is provided, the display panel 400 is a display surface of the display, and when the display panel 400 is not provided, the multi-point light emitted from the projection panel 200 can be projected on any plane as the screen of the display in the prior art, so as to function as a projector.
Specifically, in the above embodiment, the projection panel 200 is provided with the plurality of light splitting units 210, the plurality of light splitting units 210 correspond to the plurality of single-point light sources 110 disposed on the backlight module 100, the single-point light emitted by the single-point light sources 110 is refracted on the light splitting units 210, split into multiple points of light, and presented on the display panel 400 or the projection plane, and the number of pixels is increased by geometric multiple compared with that of the single points of light, so that the pixel density of the displayed image is increased, the display quality of the display screen is finer, and the display precision and the color softness are effectively improved.
Specifically, the above-described light splitting unit 210 may be configured as a lens, a Diffractive Optical Element (DOE), other optical elements capable of realizing a light splitting effect, or the like in actual arrangement, and it is specifically required to be able to precisely control the projected light intensity distribution.
In the above embodiment, the arrangement of the single-point light source 110 and the light splitting units 210 may be one-to-one, or one single-point light source 110 corresponds to a plurality of light splitting units 210, which can be freely set by a person skilled in the art according to actual use requirements, and the application is not limited thereto.
In the above embodiment, the light splitting unit 210 may be configured into various shapes according to the actual multi-point light generation requirement, such as a sphere shape, a rectangle shape, and other regular shapes, in a specific embodiment of the present application, the light splitting unit 210 is configured into a shape with a plurality of convex spherical crowns on the surface, and after a single light source is refracted by the light splitting unit 210, the single light source may be decomposed into multiple light source distributions with multiple matrix patterns of 4, 9, 16, and other shapes with the same distance, so as to meet different use requirements.
Based on the above embodiment, in another embodiment of the present application, the length and width dimensions of the control panel 300 are adapted to the length and width dimensions of the projection panel 200, the control panel 300 is disposed on the opposite side of the projection panel 200 and the backlight module 100, in a specific embodiment, on the other side of the antireflection film, which is attached to the light splitting unit 210, in this embodiment, the control panel 300 performs one-to-one independent control on the multiple spot light emitted from the light splitting unit 210, so as to realize accurate adjustment and control on the projection screen; in other embodiments, the control panel 300 may be disposed on the side of the projection panel 200 corresponding to the backlight module 100, so that the amount of single-point light passing through the projection panel 200 can be directly controlled, which has the advantage of further controlling the cost and the disadvantage of not being able to individually adjust the generated multi-point light.
Specifically, as shown in fig. 1, a plurality of control groups 310 are disposed on the control panel 300, the plurality of control groups 310 are arranged in an array manner, and the arrangement manner is the same as that of the light splitting units 210 on the projection panel 200, and the plurality of control groups 310 are the same as the plurality of light splitting units 210 in number and correspond to each other one by one, so as to realize independent control of light transmitted on the plurality of light splitting units 210.
More specifically, as shown in fig. 1, the control group 310 includes a plurality of control units 311 arranged in an array, where the number of control units 311 is the same as the number of multi-point lights modulated by the light splitting unit 210, for example, in the embodiment shown in fig. 1, the projection panel 200 projects one single point light into 4 pixel light points, and correspondingly, in this embodiment, 4 control units 311 are disposed in one control group 310, corresponding to the positions where the 4 pixel light points are generated, and the control units 311 are independent from each other, so that separate control of the corresponding pixel light points can be achieved.
The control of the pixel light spot on the display panel 400 by the control unit 311 is achieved by changing the light transmittance of the control unit 311, and when the control unit 311 is in the off state, the pixel light spot modulated on the projection panel 200 is blocked, so that the pixel light spot cannot be imaged on the display panel 400; when the control unit 311 is in the on state, the modulated pixel light spots on the projection panel 200 directly penetrate the control panel 300 and are projected on the display panel 400 to form pixels forming a picture; in the present application, the control unit 311 may be further configured to perform semi-transmission according to a user requirement, when the control unit 311 is in a semi-transmission state, a pixel light spot modulated on the projection panel 200 may be projected on the display panel 400, but the brightness is reduced compared with the brightness when the control unit 311 is completely opened, and the brightness of the display screen is adjusted in practical application, so that a person skilled in the art may perform adjustment of the pixel level on the contrast of the actual display screen according to the characteristic, thereby further improving the contrast and softness in the display process of the screen.
In the above embodiment, the control unit 311 is a member made of a photoelectric control material, that is, the light transmittance of the member can be adjusted by current, in one embodiment of the present application, the control unit 311 may be configured as a liquid crystal, the liquid crystal material has optical anisotropy, a fixed optical axis exists, the arrangement mode of the liquid crystal is changed to make the refractive index and the light transmittance of light in different directions different, in this embodiment, the two sides of the control unit 311 are connected to the power supply, in the on state of the control unit 311, the molecules of the liquid crystal are arranged in order, and at this time, the liquid crystal is clear and transparent, and the multi-point light projected on the projection panel 200 may be projected on the display panel 400 through the control unit 311; when the direct current electric field is applied to both sides of the control unit 311, the molecular order of the liquid crystal is disturbed, so that the control unit 311 blocks the light in the specific direction (the direction of the projection panel), and on the other hand, the light transmittance of the liquid crystal display is different along with the difference of the direct current electric field intensity, so that the adjustment of the projection intensity of the pixel light spot on the display panel 400 can be realized.
Further, in order to realize independent control of the control units 311 on the control unit 310, as shown in fig. 1, in this embodiment, a controller 500 is further provided on one side of the control panel 300, and the controller 500 is electrically connected with a plurality of control units 311, so as to realize the effect of applying different tributary electric fields to the independent control units 311 through the controller 500, and in actual setting, the controller 500 is further in signal connection with the backlight module 100, and in playing video, the single-point light source 110 on the backlight module 100 and the control unit 311 regulated by the controller 500 can be synchronously transformed according to a preset display requirement, so as to realize image processing.
Based on the above embodiment, the projection panel 200 is disposed on one side of the backlight module 100, and the projection panel 200 modulates the single-point light emitted by the single-point light source 110 on the backlight module 100 into multiple-point light, so that the density of color points is increased without changing the number of light sources, or the number of light sources is reduced to reduce the cost while the density of color points is ensured, and the control unit 311 on the control panel 300 controls the multiple-point light one to one, so that multiple adjustment effects of improving the image display precision, adjusting the brightness and contrast, and the like can be achieved, and a fine video display function which cannot be achieved in the prior art can be achieved.
In summary, the present application provides a modulating component for pixel timing spectroscopy, which includes: the backlight module comprises a plurality of single-point light sources; the projection panel is correspondingly arranged at one side of the backlight module and is used for modulating the single point light emitted by the single point light source into multi-point light; the control panel is arranged on the projection panel in a laminating mode and used for controlling the quantity of single-point light projected on the projection panel. According to the application, the projection panel is arranged on one side of the backlight module, and the projection panel modulates the single-point light emitted by the single-point light source on the backlight module into the multi-point light, so that the density of the color points is increased under the condition of not changing the number of the light sources, the same display effect as that of the micro LED and miniLED technologies can be realized, the production cost is reduced, the number of single-point light projections is controlled through the control panel, the generated multi-point light is independently controlled, the display effect of the image is improved, and a better watching effect is provided for users.
It is to be understood that the application is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A modulation component for pixel timing spectroscopy, the modulation component comprising:
the backlight module comprises a plurality of single-point light sources;
the backlight module is correspondingly arranged on one side of the projection panel, and the projection panel is used for modulating the single-point light emitted by the single-point light source into multi-point light;
a plurality of light splitting units are arranged on the projection panel in an array manner, and the light splitting units correspond to the single-point light sources arranged on the backlight module;
the control panel is arranged on the projection panel in a laminating way and is used for controlling the quantity of the single-point light projected on the projection panel;
the control panel is provided with a plurality of control groups in an array manner, the number of the control groups is the same as that of the light splitting units, and the control groups are arranged in one-to-one correspondence with the light splitting units;
the control group comprises a plurality of control units which are arranged in an array, and the control units are connected with a power supply and are independently controlled;
the number of the control units is the same as the number of the modulated multi-point lights;
the control unit controls the pixel spots of the multi-spot light by varying its own light transmittance.
2. The modulation component of pixel timing spectroscopy of claim 1, further comprising:
the display panel is correspondingly arranged on the other side of the projection panel, and a plurality of multi-point lights are projected on the display panel.
3. The modulation assembly of claim 1, wherein the control panel is disposed on an opposite side of the projection panel from the backlight module.
4. The modulation assembly of pixel timing spectroscopy according to claim 1, wherein a controller is further disposed on one side of the control panel, the controller is electrically connected to the plurality of control units, and the controller is in signal connection with the backlight module.
5. The modulation assembly of pixel timing spectroscopy according to claim 1, wherein the control unit is a member made of a photoelectric control material.
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| CN202111226851.4A CN113888957B (en) | 2021-10-21 | 2021-10-21 | Modulation component for pixel time sequence light splitting |
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| CN202111226851.4A CN113888957B (en) | 2021-10-21 | 2021-10-21 | Modulation component for pixel time sequence light splitting |
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| CN214122581U (en) * | 2020-12-07 | 2021-09-03 | 江西欧迈斯微电子有限公司 | Light projection module, depth camera and electronic equipment |
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