CN108766222B - Display module, display and electronic equipment - Google Patents
Display module, display and electronic equipment Download PDFInfo
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- CN108766222B CN108766222B CN201810145111.XA CN201810145111A CN108766222B CN 108766222 B CN108766222 B CN 108766222B CN 201810145111 A CN201810145111 A CN 201810145111A CN 108766222 B CN108766222 B CN 108766222B
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- wavelength conversion
- light
- display module
- rotating shaft
- optical fiber
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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
Abstract
The invention discloses a display module, a display and electronic equipment, wherein the display module comprises a plurality of row/row pixel units, and each row/row pixel unit comprises: the driving mechanism is connected with the main rotating shaft and is used for driving the main rotating shaft to rotate; the device comprises a main rotating shaft, at least two secondary rotating shafts, at least two light source systems and at least two light source systems, wherein the main rotating shaft is arranged on the main rotating shaft, the main rotating shaft synchronously drives the at least two secondary rotating shafts to rotate, each secondary rotating shaft is provided with three rotating tracks, each rotating track is provided with a wavelength conversion area, each rotating track comprises a plurality of bulges, a gap is arranged between every two adjacent bulges, the bulges of the two adjacent rotating tracks have a position difference of 120 degrees, and when the bulges are abutted against the wavelength conversion areas, the wavelength conversion areas extend to the upper part of the light source systems; the light source system is used for emitting light rays, and the light rays are emitted to a wavelength conversion region. The invention not only reduces the production cost of the display module, but also improves the pure color rendering performance of the display module.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display module, a display and electronic equipment.
Background
The existing display device comprises a plurality of pixel units, each pixel unit comprises three RGB fluorescent powder areas, and each fluorescent powder area corresponds to one light-emitting device, so that the quantity of the light-emitting devices required by each display device is increased. Further, when the pixel unit needs to display red, the light emitting device corresponding to the R phosphor region emits light, and the other light emitting devices do not emit light. However, since light from the light emitting device is scattered, light emitted from the light emitting device corresponding to the R phosphor region may be irradiated to the G phosphor region or the B phosphor region, thereby degrading the pure color display performance of the pixel unit.
Disclosure of Invention
The invention aims to provide a display module, a display and an electronic device, and aims to solve the technical problems that the requirement of a light-emitting device of the conventional display device is large and the pure-color display performance is poor.
In order to solve the above problems, the present invention provides a display module, which includes a plurality of row/column pixel units, each of the row/column pixel units includes:
the driving mechanism is connected with the main rotating shaft and is used for driving the main rotating shaft to rotate;
the device comprises a main rotating shaft, at least two secondary rotating shafts, at least two light source systems and at least two light source systems, wherein the main rotating shaft is arranged on the main rotating shaft, the main rotating shaft synchronously drives the at least two secondary rotating shafts to rotate, each secondary rotating shaft is provided with three rotating tracks, each rotating track is provided with a wavelength conversion area, each rotating track comprises a plurality of bulges, a gap is arranged between every two adjacent bulges, the bulges of the two adjacent rotating tracks have a position difference of 120 degrees, and when the bulges are abutted against the wavelength conversion areas, the wavelength conversion areas extend to the upper part of the light source systems;
the light source system is used for emitting light rays, and the light rays are emitted to a wavelength conversion region.
As a further improvement of the invention, each bulge comprises a platform part and an arc part, one end of the arc part is connected with the platform part, and the other end of the arc part is connected with the gap.
As a further improvement of the invention, the wavelength conversion area comprises a connecting assembly and a wavelength conversion box, the connecting assembly comprises a rotating connecting part and a telescopic rod, the rotating connecting part is matched with the rotating track, one end of the telescopic rod is connected with the rotating connecting part, and the other end of the telescopic rod is provided with the wavelength conversion box.
As a further improvement of the invention, the telescopic rod is sleeved with an elastic device, and the elastic device is used for resetting the wavelength conversion box.
As a further improvement of the invention, the device also comprises a controller, wherein the controller is connected with the driving mechanism, and the controller is used for controlling the driving mechanism so as to control the rotation of the main rotating shaft.
As a further improvement of the invention, the light source system comprises a shell, the shell comprises a reflecting cup and a fixed cylinder, a light-emitting device is arranged in the reflecting cup, a light outlet is arranged at the top of the fixed cylinder, the light-emitting device is used for emitting light, and the light irradiates a wavelength conversion region through the light outlet.
As a further improvement of the invention, a light guide component is arranged in the fixed cylinder, one end of the light guide component is opposite to the light emitting device, and the other end of the light guide component is opposite to a wavelength conversion area.
As a further improvement of the invention, the light guide assembly comprises a lens and an optical fiber, the lens and the optical fiber are sequentially arranged on the light emitting path of the light emitting device, and the top end of the optical fiber leads to the light outlet.
As a further improvement of the invention, a stopper is also arranged in the fixed cylinder and used for fixing the optical fiber;
and/or the top of the optical fiber is provided with an optical fiber sleeve, and the optical fiber penetrates through the optical fiber sleeve;
and/or a fixing structure is arranged in the fixing cylinder and used for fixing the lens.
As a further improvement of the invention, the outer wall of the lens is provided with a groove, the fixing mechanism comprises a soft belt and a fixing support which are matched with the groove, the fixing support is fixedly arranged in the fixing cylinder, the soft belt is embedded in the groove, and the fixing support is fixedly connected.
In order to solve the above problems, the present invention further provides a display, which includes the above display module.
In order to solve the above problem, the present invention further provides an electronic device including the above display.
According to the invention, the three rotating rails are arranged on the secondary rotating shaft, the difference between the positions of the bulges of two adjacent rotating rails is 120 degrees, and when the bulges are abutted against the wavelength conversion region, the wavelength conversion region extends to the position above the light source system, so that each pixel unit only needs one light-emitting device, the demand of the light-emitting device is reduced, and the production cost of the pixel unit is reduced. In addition, the light emitted by the light emitting device just corresponds to one wavelength conversion area, and other wavelength conversion areas cannot be affected, so that the pure color rendering performance of the pixel unit is improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of row/column pixel units in a display module according to the present invention;
FIG. 2 is a schematic structural diagram of a sub-conversion axis of a display module according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of one embodiment of the secondary rotary shaft rotation track of FIG. 2;
FIG. 4 is a schematic structural diagram of a second embodiment of row/column pixel units in a display module according to the present invention;
FIG. 5 is a schematic view of a first embodiment of a light source system in a display module according to the present invention;
FIG. 6 is a schematic view of a second embodiment of a light source system in a display module according to the present invention;
FIG. 7 is a schematic view of a light source system of a display module according to a third embodiment of the present invention;
FIG. 8 is a schematic diagram of one embodiment of a lens of the light source system of FIG. 7;
FIG. 9 is a schematic diagram of a frame structure of an embodiment of a display device of the present invention;
fig. 10 is a schematic diagram of a frame structure of an embodiment of an electronic device of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1-3 show an embodiment of a display module according to the invention. In the present embodiment, referring to fig. 1, the display module includes a plurality of row/column pixel units 1. Each row/column pixel cell 1 comprises a drive mechanism 10, a main rotation axis 11, at least two secondary rotation axes 12 and a light source system 13.
The driving mechanism 10 is connected with the main rotating shaft 11, and the driving mechanism 10 is used for driving the main rotating shaft 11 to rotate; the secondary rotating shafts 12 are arranged on the main rotating shaft 11, and the main rotating shaft 11 synchronously drives at least two secondary rotating shafts 12 to rotate.
Referring to fig. 2, three rotation tracks 20 are provided on each of the sub-rotation shafts 12, and one wavelength conversion region is provided on each of the rotation tracks 20. Specifically, referring to fig. 1, the wavelength conversion region includes a connection assembly 31 and a wavelength conversion box 30, the connection assembly 31 includes a rotation connection portion (not shown in the figure) and a telescopic rod, the rotation connection portion is matched with the rotation track, one end of the telescopic rod is connected with the rotation connection portion, and the other end of the telescopic rod is provided with the wavelength conversion box 30.
Further, referring to fig. 3, each rotating rail 20 includes a plurality of protrusions 200, a gap 201 is provided between two adjacent protrusions 200, the positions of the protrusions of two adjacent rotating rails 20 are different by 120 °, and when the protrusions 200 abut against the wavelength conversion region, the wavelength conversion region extends to above the light source system. A light source system 13 for emitting light to a wavelength conversion region.
It should be noted that, in order to describe the technical solution of the present invention in more detail, the wavelength converting region includes a first wavelength converting region 120, a second wavelength converting region 121, and a third wavelength converting region 122. Specifically, the first wavelength-converting region 120 may be a b (blue) color phosphor region, the second wavelength-converting region 121 may be a g (green) color phosphor region, and the third wavelength-converting region 122 may be an r (red) color phosphor region. Furthermore, in order to make the light emitted from the light emitting device pass through the wavelength conversion region, the bottom of the wavelength conversion region is a plate-shaped structure made of a light-transmitting material.
The working principle of the present application will be described in detail with reference to the structure of the display module, when the secondary rotating shaft rotates 120 °, the protrusion of the lowermost rotating rail 20 abuts against the first wavelength converting region 120, the first wavelength converting region 120 extends to the upper side of the light source system, and the light emitted by the light source system emits blue light to the first wavelength converting region. Further, when the secondary rotating shaft rotates 120 ° again, the protrusion of the middle rotating track 20 abuts against the second wavelength conversion region 121, the second wavelength conversion region 121 extends above the light source system, and the light emitted by the light source system is emitted to the second wavelength conversion region 121, so that green light can be output. Further, when the secondary rotating shaft rotates 120 ° again, the protrusion of the uppermost rotating rail 20 abuts against the third wavelength converting region 122, the third wavelength converting region 122 extends to the upper side of the light source system, and the light emitted from the light source system is emitted to the third wavelength converting region 122, so that the red color can be output.
This implementation time is set up three rotation orbit in the axis of rotation, and adjacent two rotation orbital archs set up the position difference 120, and when protruding and wavelength conversion district butt, wavelength conversion district extends to the light source system top, and consequently, each pixel unit only needs a luminescent device, has reduced luminescent device's demand to the manufacturing cost of pixel unit has been reduced. In addition, the light emitted by the light-emitting device just corresponds to one wavelength conversion area, and other wavelength conversion areas cannot be influenced, so that the pure color rendering performance of the pixel unit is improved.
In order to improve the rotational stability, in other embodiments based on the above embodiments, referring to fig. 3, each of the protrusions 200 includes a platform part 2000 and a circular arc part 2001, one end of the circular arc part 2001 is connected to the platform part 2000, and the other end of the circular arc part 2001 is connected to the gap 201.
This embodiment is through the cooperation in arch and space, realizes during the rotation that height, height slow down to promote and rotate the stationarity ability, in addition, set up circular arc portion between protruding platform portion and the space, cause the transition more steadily before platform portion and the space, thereby further promoted and rotated the stationarity.
In order to improve the automatic resetting performance of the wavelength conversion box, in another embodiment based on the above embodiment, referring to fig. 4, an elastic device 40 is sleeved on the telescopic rod, and the elastic device 40 is used for resetting the wavelength conversion box 30.
In the embodiment of the present application, the elastic device 40 in the embodiment may be a spring or an elastic string. Preferably, the elastic means 40 is a torsion spring.
This embodiment causes wavelength conversion box automatic re-setting through setting up an elastic component to the automaticity of display module assembly has been promoted.
In order to further improve the automatic performance of the display module, in other embodiments based on the above embodiments, the display module further includes a controller (not shown in the figure), the controller is connected to the driving mechanism 10, and the controller is used for controlling the driving mechanism 10 to control the rotation of the main rotating shaft.
This embodiment passes through controller control actuating mechanism, and then realizes the rotation of control owner axis of rotation to this display module assembly's automatic performance has further been promoted.
In order to improve the light utilization rate of the light emitting device, in another embodiment based on the above embodiment, referring to fig. 5, the light source system 13 includes a housing 130, the housing 130 includes a reflective cup 1301 and a fixed cylinder 1302, a light emitting device 1303 is disposed in the reflective cup 1301, a light outlet is disposed at the top of the fixed cylinder 1302, the light emitting device 1303 is used for emitting light, and the light irradiates a wavelength conversion region through the light outlet.
It should be noted that the reflective cup 1301 and the fixed cylinder 1302 in this embodiment may be connected by a screw thread, or may be welded. Further, the light emitting device 1303 of the present embodiment may be an LED lamp, and preferably, the light emitting device 1303 is an ultraviolet LED lamp.
In the embodiment, the light-emitting device is arranged in the light-reflecting cup, so that most of light emitted by the light-emitting device is emitted to the wavelength conversion box through the light outlet, and the effective utilization rate of the light is improved.
In order to avoid light emitted by the light emitting device from leaking out and reduce the influence on other wavelength conversion regions, in another embodiment based on the above embodiment, referring to fig. 6, a light guide assembly 140 is disposed in a fixed cylinder 1302, one end of the light guide assembly 140 faces a light emitting device 1303, and the other end of the light guide assembly 140 faces one wavelength conversion region.
It should be noted that the light guide assembly 140 in this embodiment may be an optical fiber, or may be a multi-stage condenser.
Preferably, the light guide assembly 140 includes a lens 1400 and an optical fiber 1401, the lens 1400 and the optical fiber 1401 are sequentially disposed on the light emitting path of the light emitting device 1303, and the top end of the optical fiber 1401 leads to the light outlet.
Specifically, the lens 1400 is disposed in the light emitting direction of the light emitting device 1303, and the optical fiber 1401 is disposed above the lens 1400 and protrudes out of the light outlet.
In the embodiment, most of the light emitted by the light emitting device enters the optical fiber through the lens, so that the light utilization rate is further improved. Further, the light rays enter a certain wavelength conversion area uniformly through the optical fibers, so that the influence of the light rays on other wavelength conversion areas is further avoided, and the pure color rendering performance of the pixel unit is further improved.
The light emitted by the light source system needs to be directly opposite to a wavelength conversion area, so that the optical fiber needs to be prevented from shaking in the using process and the installation difficulty of the optical fiber in the installation process is reduced. In addition to the above embodiments, in other embodiments, referring to fig. 7, a retainer 150 is further disposed in the fixed cylinder 1302, and the retainer 150 is used for fixing the optical fiber 1401.
Preferably, two stoppers 150 are provided in the fixed cylinder 1302 of the present embodiment. This embodiment is through setting up the stopper to avoid the optic fibre off tracking, thereby promoted the stability ability of optic fibre.
And/or, the top of the optical fiber 1401 is provided with an optical fiber sleeve 160, and the optical fiber 1401 penetrates through the optical fiber sleeve 160.
In the embodiment of the application, the optical fiber sleeve is arranged at the light outlet, so that the optical fiber can be installed as long as the optical fiber is inserted into the optical fiber sleeve, and the light emitted by the optical fiber can be ensured to just fall into a certain wavelength conversion region, so that the installation difficulty of the optical fiber is reduced, and the alignment rate of the light emitted by the optical fiber is improved.
And/or, a fixing structure is arranged in the fixing cylinder 1302, and the fixing structure is used for fixing the lens 1400.
In the embodiment of the present application, the fixing structure in this embodiment may be a bracket, one end of the bracket is disposed with the lens 1400, and the other end of the bracket is fixedly connected to the fixing cylinder 1302.
Preferably, referring to fig. 8, the outer wall of the lens 1400 is provided with a groove 14001, the fixing mechanism comprises a soft belt matched with the groove 14001 and a fixing bracket, the fixing bracket is fixedly arranged in the fixing cylinder 1302, the soft belt is embedded in the groove 14001, and the fixing bracket is fixedly connected.
This embodiment is through setting up the recess at the outer wall of lens to can realize the good fixed of lens through soft area, thereby simplify the fixed knot structure of lens, reduce the production technology degree of difficulty of pixel subassembly, and manufacturing cost.
Referring to fig. 9, an embodiment of the present application further provides a display 300, where the display 300 includes the display module 1 described in the foregoing embodiment. It should be noted that the display module 1 in this embodiment is similar to the display module described in the above embodiments, and therefore, the description thereof is omitted.
Referring to fig. 10, another embodiment of the present embodiment further provides an electronic device 400, where the electronic device 400 includes the display 300 and the driving circuit 301 described in the above embodiments, and the driving circuit 301 is used to drive the display 300 for image display.
The above detailed description of the embodiments of the present invention is provided as an example, and the present invention is not limited to the above described embodiments. It will be apparent to those skilled in the art that various equivalent modifications and substitutions can be made without departing from the spirit and scope of the invention, and therefore, all equivalent changes and modifications, improvements, etc. made without departing from the spirit and scope of the invention should be considered within the scope of the invention.
Claims (10)
1. A display module comprising a plurality of row/column pixel units, each row/column pixel unit comprising: the driving mechanism is connected with the main rotating shaft and is used for driving the main rotating shaft to rotate; the main rotating shaft synchronously drives the at least two secondary rotating shafts to rotate, each secondary rotating shaft is provided with three rotating tracks, a matched wavelength conversion area is correspondingly arranged near the edge of each rotating track, each rotating track comprises a plurality of bulges, a gap is arranged between every two adjacent bulges, the bulges of the two adjacent rotating tracks have a position difference of 120 degrees, and when the bulges are abutted against the wavelength conversion areas, the wavelength conversion areas extend to the upper part of a light source system; the wavelength conversion region comprises a connecting component and a wavelength conversion box, the connecting component comprises a rotating connecting part and a telescopic rod, the rotating connecting part is matched with the rotating track, one end of the telescopic rod is connected with the rotating connecting part, and the other end of the telescopic rod is provided with the wavelength conversion box; the light source system is used for emitting light rays, and the light rays are emitted to a wavelength conversion region; the telescopic rod is sleeved with an elastic device, and the elastic device is used for resetting the wavelength conversion box.
2. The display module assembly of claim 1, wherein each protrusion comprises a platform portion and an arc portion, one end of the arc portion is connected to the platform portion, and the other end of the arc portion is connected to the gap.
3. The display module according to claim 1, further comprising a controller, wherein the controller is connected to the driving mechanism, and the controller is configured to control the driving mechanism to control the rotation of the main rotating shaft.
4. The display module according to claim 1, wherein the light source system comprises a housing, the housing comprises a reflective cup and a fixed cylinder, the reflective cup is provided with a light emitting device therein, the top of the fixed cylinder is provided with a light outlet, the light emitting device is used for emitting light, and the light irradiates a wavelength conversion region through the light outlet.
5. The display module according to claim 4, wherein a light guide member is disposed in the fixed cylinder, one end of the light guide member faces the light emitting device, and the other end of the light guide member faces a wavelength conversion region.
6. The display module according to claim 5, wherein the light guide assembly comprises a lens and an optical fiber, the lens and the optical fiber are sequentially disposed on the light emitting path of the light emitting device, and the top end of the optical fiber leads to the light outlet.
7. The display module assembly of claim 6, wherein a stopper is further disposed in the fixing cylinder, and the stopper is used for fixing the optical fiber; and/or the top of the optical fiber is provided with an optical fiber sleeve, and the optical fiber penetrates through the optical fiber sleeve; and/or a fixing structure is arranged in the fixing cylinder and used for fixing the lens.
8. The display module assembly according to claim 7, wherein the outer wall of the lens has a groove, the fixing structure comprises a soft belt and a fixing bracket matching with the groove, the fixing bracket is fixedly disposed in the fixing cylinder, the soft belt is embedded in the groove, and the fixing bracket is fixedly connected.
9. A display comprising a display module according to any one of claims 1 to 8.
10. An electronic device, characterized in that it comprises a display as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145111.XA CN108766222B (en) | 2018-02-10 | 2018-02-10 | Display module, display and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810145111.XA CN108766222B (en) | 2018-02-10 | 2018-02-10 | Display module, display and electronic equipment |
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| CN108766222A CN108766222A (en) | 2018-11-06 |
| CN108766222B true CN108766222B (en) | 2022-06-14 |
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| CN201810145111.XA Active CN108766222B (en) | 2018-02-10 | 2018-02-10 | Display module, display and electronic equipment |
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| CN108766222A (en) | 2018-11-06 |
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