CN106322232B - Backlight illumination method of dynamic picture - Google Patents
Backlight illumination method of dynamic picture Download PDFInfo
- Publication number
- CN106322232B CN106322232B CN201610687522.2A CN201610687522A CN106322232B CN 106322232 B CN106322232 B CN 106322232B CN 201610687522 A CN201610687522 A CN 201610687522A CN 106322232 B CN106322232 B CN 106322232B
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- light
- light guide
- guide plate
- led lamp
- picture
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight illumination method of a dynamic picture, which relates to the technical field of dynamic pictures. The LED lamp bead lighting method has the advantages that the using amount of the LED lamp beads can be reduced, meanwhile, the using area of the PCB can be reduced, the production cost is reduced, meanwhile, the lighting method is wider in color gamut, the LED lamp beads with one wavelength can be adopted, the production cost is low, and the picture display effect is good.
Description
Technical Field
The invention relates to the technical field of LED dynamic pictures, in particular to a backlight illumination method of a dynamic picture.
Background
The decorative picture is a very common decoration in daily life. The decorative pictures on the market at present are basically static, have neither sound nor animation, and dynamic decorative pictures are very few, and one dynamic picture on the market at present utilizes an electronic ballast fluorescent lamp as a backlight source, and rotates by a motor to pull a shading film, so that the picture has the effect similar to running water. The dynamic picture needs to be provided with the motor, the picture frame is thick and needs to be powered by 110V or 220V, and therefore the dynamic picture has the defects of high cost, unattractive appearance, complex structure, unsafe use and the like.
The national intellectual property office in 26.9.2007 discloses a utility model patent with publication number CN200951692Y and name LED backlight dynamic picture, wherein the utility model patent is provided with a back plate on the back of the drawing paper, and the drawing paper is adhered on the back plate; the backboard is provided with at least one hollow-out area, the hollow-out area is provided with LEDs, the LEDs are distributed according to animation design requirements, and the LEDs are connected to the control circuit through wires; the control circuit is fixed on the back plate. The utility model discloses a directly adopt and decorate drawing paper, carry out animation to the position that needs show the sensation of movement at the drawing paper back, have that the picture appearance is pleasing to the eye, advantage that the cost of manufacture is low.
However, in the above-mentioned prior art animation, the LED is directly mounted on the back of the screen, and the LED light source directly irradiates the screen, and the LED flickers to form a certain animation effect on the screen. Because the LED is directly arranged on the back of the picture, the consumption of the LED is large, the cost of a PCB (printed Circuit Board) connected with the LED is high, the production size of the PCB is limited to a certain extent, and the large-size dynamic picture PCB cannot be manufactured. The color display needs LED lamps with various colors, and the cost is higher; for example, the publication number CN200951692Y shows that the LED backlight dynamic picture cannot achieve multi-region control point illumination on the picture, and each LED lamp needs to be manually placed, which is not suitable for mass production.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention provides the backlight illumination method of the dynamic picture, and aims to solve the problems that the dynamic picture in the prior art is high in production cost and is not beneficial to large-scale batch production.
In order to solve the problems in the prior art, the invention is realized by the following technical scheme:
a backlight illumination method of a dynamic picture is characterized in that: welding the LED lamp beads on a PCB (printed circuit board), and independently driving each individual LED lamp bead through a driving circuit on the PCB to form an LED lamp bar;
guiding light emitted by the LED lamp strip into the light guide plate through a light input window of the light guide plate, and projecting the light emitted by the LED lamp strip onto the picture panel through a light output window of the light guide plate;
a quantum layer is arranged on the picture panel and used for carrying out wavelength conversion on light emitted by the LED light bar projected by the light output window;
and the irradiation sequence of the LED lamp beads is controlled, so that the light guided out by the light guide plate is sequentially changed to form a dynamic image irradiation light source.
The light guide plate is made of a light guide organic material plate; the light guide plate uses the light transmission principle of an optical waveguide, and a light output window of the light guide plate guides light out of the light guide plate according to the catadioptric principle.
The light guide plate is manufactured and molded by a laser cutting or mold injection molding method according to the shape of the light-transmitting image.
The quantum layer converts light emitted by the LED lamp strip projected by the light output window into light with different wavelengths, and correspondingly illuminates corresponding image parts on the picture panel, so that the picture display has a dynamic effect.
The quantum layer is a quantum layer formed of a quantum film or a quantum coating.
The LED lamp strip is characterized in that a back lining plate is further arranged and used for fixing the PCB, the LED lamp strip and the light guide plate.
Compared with the prior art, the beneficial technical effects brought by the invention are as follows:
1. compared with the prior art, the backlight illumination method of the dynamic picture is characterized in that each single LED lamp bead is independently driven by the driving circuit on the PCB to form the LED lamp strip, and then the light emitted by the LED lamp strip is conducted and projected on the picture panel through the light guide plate. Meanwhile, the quantum layer is arranged at the light output window, light emitted by the LED lamp strip projected by the light output window can be converted into light with different wavelengths, the color gamut is wider, the LED lamp bead with one wavelength can be adopted, the production cost is low, and the picture display effect is good.
2. Compared with the prior art, the light guide material of the light guide plate is easy to produce in batches, and the production cost is reduced. The light emitted by the conversion of the throughput sub-layer has wide color gamut and good picture display effect.
Drawings
FIG. 1 is a schematic view of a triangular warning label frame according to the present invention;
FIG. 2 is a schematic plan view of FIG. 1 in accordance with the present invention;
reference numerals: 1. PCB circuit board, 2, LED lamp pearl, 3, LED lamp strip, 4, light guide plate, 5, light input window, 6, light output window, 7, drawing board, 8, quantum layer, 9, back welt.
Detailed Description
Example 1
Referring to the attached fig. 1 and 2, the present embodiment discloses:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source.
Example 2
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses, by taking a triangle warning mark as an example:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source; the light guide plate 4 is made of a light guide organic material plate; the light guide plate 4 uses the principle of light transmission of light guides, and the light output window 6 of the light guide plate 4 guides light out of the light guide plate 4 according to the principle of catadioptric light.
Example 3
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses, by taking a triangle warning mark as an example:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source; the light guide plate 4 is made of a light guide organic material plate; the light guide plate 4 uses the light transmission principle of light guide, and the light output window 6 of the light guide plate 4 leads light out of the light guide plate 4 according to the catadioptric principle; the light guide plate 4 is formed by laser cutting or mold injection molding according to the shape of the light-transmitting image.
Example 4
Referring to the attached drawings 1 and 2 of the specification, the embodiment discloses as a further preferred embodiment of the invention:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source; the light guide plate 4 is made of a light guide organic material plate; the light guide plate 4 uses the light transmission principle of light guide, and the light output window 6 of the light guide plate 4 leads light out of the light guide plate 4 according to the catadioptric principle; the light guide plate 4 is manufactured and molded by a laser cutting or mold injection molding method according to the shape of a light-transmitting image;
the quantum layer 8 converts the light emitted by the LED light bar 3 projected by the light output window 6 into light with different wavelengths, and correspondingly illuminates corresponding image portions on the picture panel 7, so that the picture display has a dynamic effect.
Example 5
Referring to the attached drawings 1 and 2 of the specification, the embodiment discloses as a further preferred embodiment of the invention:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source; the light guide plate 4 is made of a light guide organic material plate; the light guide plate 4 uses the light transmission principle of light guide, and the light output window 6 of the light guide plate 4 leads light out of the light guide plate 4 according to the catadioptric principle; the light guide plate 4 is manufactured and molded by a laser cutting or mold injection molding method according to the shape of a light-transmitting image;
the quantum layer 8 converts light emitted by the LED light bar 3 projected by the light output window 6 into light with different wavelengths, and correspondingly illuminates corresponding image parts on the picture panel 7, so that the picture display has a dynamic effect;
in the present embodiment, the quantum layer 8 may be formed using a quantum film or a quantum coating.
Example 6
As another preferred embodiment of the present invention, referring to fig. 1 and 2 of the specification, the present embodiment discloses, by taking a triangle warning mark as an example:
a backlight illumination method of a dynamic picture is characterized in that LED lamp beads 2 are welded on a PCB 1, and each individual LED lamp bead 2 is independently driven through a driving circuit on the PCB 1 to form an LED lamp strip 3;
guiding light emitted by the LED light bar 3 into the light guide plate 4 through a light input window 5 of the light guide plate 4, and then projecting the light emitted by the LED light bar 3 onto a picture panel 7 through a light output window 6 of the light guide plate 4;
a quantum layer 8 is arranged on the picture panel 7, and the quantum layer 8 converts the wavelength of the light emitted by the LED light bar 3 projected by the light output window 6;
the irradiation sequence of the LED lamp beads 2 is controlled, so that the light guided out by the light guide plate 4 is sequentially changed to form a dynamic image irradiation light source; the light guide plate 4 is made of a light guide organic material plate; the light guide plate 4 uses the light transmission principle of light guide, and the light output window 6 of the light guide plate 4 leads light out of the light guide plate 4 according to the catadioptric principle; the light guide plate 4 is manufactured and molded by a laser cutting or mold injection molding method according to the shape of a light-transmitting image;
the quantum layer 8 converts light emitted by the LED light bar 3 projected by the light output window 6 into light with different wavelengths, and correspondingly illuminates corresponding image parts on the picture panel 7, so that the picture display has a dynamic effect; in the present embodiment, the quantum layer 8 may be formed by a quantum film, or may be formed by a quantum coating;
still be provided with back welt 9, back welt 9 is used for fixed PCB circuit board 1, LED lamp strip 3 and light guide plate 4.
Claims (3)
1. A backlight illumination method of a dynamic picture is characterized in that: the LED lamp beads (2) are welded on the PCB (1), and each individual LED lamp bead (2) is independently driven through a driving circuit on the PCB (1) to form an LED lamp strip (3);
guiding light emitted by the LED lamp bar (3) into the light guide plate (4) through a light input window (5) of the light guide plate (4), and then projecting the light emitted by the LED lamp bar (3) onto the picture panel (7) through a light output window (6) of the light guide plate (4); a quantum layer (8) is arranged on the picture panel (7), and the quantum layer (8) converts the wavelength of the light emitted by the LED light bar (3) projected by the light output window (6); the irradiation sequence of the LED lamp beads (2) is controlled, so that light guided out by the light guide plate (4) is sequentially changed to form a dynamic image irradiation light source; the light guide plate (4) is made of a light guide organic material plate; the light guide plate (4) adopts the light transmission principle of light guide, and the light output window (6) of the light guide plate (4) leads the light out of the light guide plate (4) according to the catadioptric principle; the quantum layer (8) converts light emitted by the LED light bar (3) projected by the light output window (6) into light with different wavelengths, and correspondingly illuminates corresponding image parts on the picture panel (7), so that the picture display has a dynamic effect; the quantum layer (8) is a quantum layer (8) formed of a quantum film or a quantum coating.
2. A backlighting method for a dynamic picture as claimed in claim 1, characterized in that: the light guide plate (4) is manufactured and molded by a laser cutting or mold injection molding method according to the shape of the light-transmitting image.
3. A method of backlighting a dynamic picture as claimed in claim 1 or 2, characterized in that: the LED lamp is characterized in that a back lining plate (9) is further arranged, and the back lining plate (9) is used for fixing the PCB (1), the LED lamp strip (3) and the light guide plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687522.2A CN106322232B (en) | 2016-08-19 | 2016-08-19 | Backlight illumination method of dynamic picture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687522.2A CN106322232B (en) | 2016-08-19 | 2016-08-19 | Backlight illumination method of dynamic picture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322232A CN106322232A (en) | 2017-01-11 |
| CN106322232B true CN106322232B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610687522.2A Active CN106322232B (en) | 2016-08-19 | 2016-08-19 | Backlight illumination method of dynamic picture |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200951692Y (en) * | 2006-07-28 | 2007-09-26 | 林贻松 | Negative light source dynamic inductive painting |
| JP4987981B2 (en) * | 2007-07-27 | 2012-08-01 | シャープ株式会社 | Illumination device, display device, and light guide plate |
| KR20160057072A (en) * | 2014-11-13 | 2016-05-23 | 삼성전자주식회사 | Display apparatus and manufacturing method of the same |
| CN105372877A (en) * | 2015-11-27 | 2016-03-02 | 广州创维平面显示科技有限公司 | Edge-type backlight source, backlight module and display device including same |
| CN105700063A (en) * | 2016-04-12 | 2016-06-22 | 东莞轩朗实业有限公司 | Glass light guide plate |
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2016
- 2016-08-19 CN CN201610687522.2A patent/CN106322232B/en active Active
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| CN106322232A (en) | 2017-01-11 |
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Address after: No.9, building 12, Zhongchuang space, international headquarters city, Liuwu New District, Lhasa, Tibet Autonomous Region, 850000 Patentee after: TIBET BEIZHUYA ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 850000 Sunshine Town, Lhasa economic and Technological Development Zone, Tibet autonomous region, A2-2-2-2 Patentee before: TIBET BEIZHUYA ELECTRONIC TECHNOLOGY Co.,Ltd. |