CN223362777U - Dual-light-source image and text projection bracket display module, panel, and home appliance - Google Patents
Dual-light-source image and text projection bracket display module, panel, and home applianceInfo
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- CN223362777U CN223362777U CN202422808249.7U CN202422808249U CN223362777U CN 223362777 U CN223362777 U CN 223362777U CN 202422808249 U CN202422808249 U CN 202422808249U CN 223362777 U CN223362777 U CN 223362777U
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Abstract
The utility model discloses a double-light-source image-text projection bracket type display module, a panel and a household appliance, which comprise a background light source, a character function key transparent membrane positioned at the lower layer and a background membrane positioned at the upper layer, wherein the character function key light source projects light outwards through the character function key transparent membrane and the background membrane in sequence to lighten the character function key image text, and the background light source lightens the background membrane. The upper surface of the bracket is provided with a character functional key transparent membrane, a background light guide plate and a background membrane in turn, and the periphery of the background light guide plate is provided with a light blocking support piece. The display of the image and text is realized through the cooperation of the two diaphragms, the lamp cavity and the background light guide plate, the background light source is slightly bright and is always bright, the background image and text are displayed by the cooperation of the background light guide plate and the background diaphragm, and when the character function key light source realizes the operation of the touch key area, the character function key diagram Wen Gaoliang corresponding to the area is more convenient for the user to operate.
Description
Technical Field
The utility model belongs to the field of home appliance display screen operation, and particularly relates to a dual-light-source image-text projection bracket type display module, a panel and a home appliance.
Background
The inventor of the present utility model has applied for the patent with the application number 202420287214.0 as "a background light display module", discloses a background light display module, the LED display device comprises a first PCB, a second PCB, a bracket and a background light guide plate, wherein a display light source is arranged on the first PCB, a background light source is arranged on the second PCB, and the background light source lights the background light guide plate above the display light source. The utility model adopts the scheme of combining the bracket and the light guide plate, the bracket is provided with a plurality of lamp cavities which are separated into a plurality of display units, and when touch control or display with a certain function is needed, the display light source is lightened. The light guide plate and the foam layer are arranged above the bracket, and the background light sources are arranged on two sides of the light guide plate to form normally bright background light. In order to match the structure of support, set up the second PCB board and the first PCB board components of a whole that can function independently of background light source, utilize the edge of support to set up rectangular second PCB board, can satisfy the arrangement demand of background light source, simple structure, the display effect is good.
However, in the use process, the display mode of the product cannot meet higher effects and requirements, and the problems include that when a certain key is touched to lighten a display light source of a case area, the whole square touch display area is arranged on a background film, the display effect is that besides small icons of graphics and texts, the square touch display area is correspondingly displayed on the uppermost film, the display continuity of the whole background pattern is damaged due to large-area highlighting or flickering of the whole square area, and the display effect and the attractiveness are affected.
Disclosure of utility model
The utility model solves the technical problem of providing a double-light-source image-text projection bracket type display module, a panel and a household appliance, wherein the double-light-source image-text projection bracket type display module, the panel and the household appliance are based on a bracket structure and can realize independent control of light emission of character function keys and backgrounds.
The technical scheme adopted by the utility model is as follows in order to solve the technical problems:
The utility model provides a two light source picture and text projection support formula display module assembly, includes background light source, character function key light source, is located the transparent diaphragm of character function key of lower floor and is located the background diaphragm of upper strata, character function key light source passes through the transparent diaphragm of character function key and the outside projection light of background diaphragm and lights character function key picture and text in proper order, the background light source lights the background diaphragm.
Further, the display module assembly still includes PCB board and the backlight lamp strip of inlaying on the support, and the support upper surface sets gradually character function key transparent diaphragm, background light guide plate and background diaphragm upwards, and the periphery of background light guide plate sets up the light blocking support piece.
Further, a plurality of lamp cavities are formed in the support, and the character function key light source is located in the lamp cavities.
Further, the backlight source is arranged on the backlight light bar, and the side-emitting backlight source is positioned on one side or two sides of the background light guide plate.
Further, the backlight light bar is located the support side and runs through the support, and backlight light bar lower extreme and PCB board electricity are connected.
Further, the character function key transparent membrane is positioned between the support and the background light guide plate, and part of the character function key transparent membrane is transparent, and the other part is light-shielding.
Further, the background film is formed by compounding a touch film and a color film and is adhered to the upper surfaces of the light guide plate and the light blocking support member, or the touch film and the color film of the background film are arranged separately, the color film is adhered to the upper surfaces of the light guide plate and the light blocking support member, and the touch film is arranged on the inner surface of the panel.
Further, the method is characterized in that the brightness of the background light source is smaller than the brightness of the character function key light source.
A display panel adopts the double-light-source image-text projection bracket type display module.
A household appliance adopts the double-light-source image-text projection bracket type display module or display panel.
Compared with the prior art, the utility model has the following advantages:
(1) The utility model mainly realizes the display of the image and text through the cooperation of the two diaphragms, the lamp cavity and the background light guide plate, the background light source is slightly bright and is normally bright to display the background image and text in cooperation with the background light guide plate and the background diaphragm, and when the character function key light source realizes the operation of the touch key area, the character function key diagram Wen Gaoliang corresponding to the area is more convenient for the user to operate. And the background light sources and the character function key light sources of the upper layer and the lower layer are independently controlled, so that the background image-text and the character function key image-text are not influenced, and the display of the background image-text and the character function key image-text is attractive and striking.
(2) The utility model sets up light guide plate and foam layer above the support, and set up the background light source on both sides of the light guide plate, form the ambient light of the normal brightness. And then the design pattern and the background on the color film are matched, and the color film background presents very striking and design effect under the irradiation of the background light source.
(3) In order to match the structure of the bracket, the backlight lamp strip and the PCB are arranged in a split mode, and the arrangement requirement of a backlight source can be met by utilizing the backlight lamp strip, so that the backlight lamp strip has a simple structure and a good display effect.
Drawings
FIG. 1 is an exploded view of a dual light source graphic projection bracket display module;
FIG. 2 is an external view of a dual light source image-text projection bracket type display module;
FIG. 3 is a front view of a dual light source image-text projection bracket display module;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is a schematic view of a portion of a dual light source image-text projection bracket display module;
FIG. 6 is a schematic diagram of a character function key transparent membrane of a dual light source graphic projection bracket display module;
FIG. 7 is a background light source light path diagram of a dual light source image-text projection bracket display module;
Fig. 8 is a light path diagram of a character function key light source of the dual light source graphic projection bracket type display module.
Detailed Description
The utility model will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope thereof.
Example 1
As shown in fig. 1, the embodiment provides a dual-light-source image-text projection bracket type display module, which comprises a PCB board 1, a backlight light bar 2, a bracket 3, a background light guide plate 4, a character function key light source 5, a background light source 6, a light-blocking support 7, a background film 8, a character function key transparent film 9 and other components. The PCB 1 and the backlight lamp strip 2 are embedded on the bracket 3, the character function key transparent membrane 9, the background light guide plate 4 and the background membrane 8 are sequentially arranged on the upper surface of the bracket 3, and the periphery of the background light guide plate 4 is provided with the light blocking support piece 7 made of black foam. After the power is turned on, the background light source 6 is slightly bright and normally bright, when the character function keys of the background film 8 are touched or the function display is needed, the character function key light source 5 is lightened, and the brightness of the character function key light source 5 exceeds the brightness of the background light source 6, so that a striking character function key area is displayed.
The bracket 3 is used as a supporting and mounting carrier of the whole display module, the bracket 3 is an injection molding bracket, a plurality of through holes are formed in the bracket 3 for forming a lamp cavity 31, and through strip-shaped long grooves 32 for accommodating the backlight lamp strips 2 are formed in two sides of the long side of the bracket 3. The PCB 1 is arranged on the inner side below the bracket 3, and is reversely arranged below the bracket 3 during installation.
The backlight light bar 2 is positioned on the side surface of the bracket 3 and vertically penetrates through the strip-shaped long groove 32 of the bracket 3, and the lower end of the backlight light bar 2 is connected with the PCB 1 through the contact pin 21 in a welding way. One or more backlight bars 2 may be disposed, and for uniform light emission, the backlight bars 2 of this embodiment are disposed on two opposite sides of the backlight guide plate 4. The upper end of the backlight light bar 2 is provided with a plurality of backlight sources 6, the backlight sources 6 emit light from side to side and emit light towards the direction of the inner background light guide plate 8, and the background light guide plate 4 is used for homogenizing light and then lighting the background membrane 8.
The PCB board 1 is provided with a control circuit and a character function key light source 5 which enables each display unit of the display module to emit light. The character function key light sources 5 are respectively arranged in the lamp cavities 31. The background light source 6 and the character function key light source 5 are LED light sources.
The background film 8 is formed by compounding a touch film and a color film and is adhered to the upper surfaces of the background light guide plate 4 and the light blocking support piece 7, or the touch film and the color film of the background film 8 are separately arranged, the color film is adhered to the upper surfaces of the light guide plate and the light blocking support piece 7, and the touch film is arranged on the inner surface of the panel. The touch film is electrically connected with the PCB board 1 through the flat cable 11.
A background image-text area and a character function key area are also arranged on the background film 8. The background image-text area and the character function key area transmit light, and other areas are shaded. The image-text area is provided with background patterns, such as a sky background and other colorful backgrounds, according to the design requirements of users. The character function keys are patterns and characters which are set according to the requirements of the household appliances for realizing and controlling functions, such as pictures and texts with different colors and shapes, which are applied to the washing machine, of the embodiment, namely dehydration, reservation, washing, wool and the like.
After the light of the background light source 6 is uniformly transmitted through the background light guide plate 4, the light is projected towards the background film 8, after the light of the background light source 6 is transmitted through the background film 8, the background film 8 can present the lighted background image and text, and in order to distinguish the display of the background image and text and character function keys, the brightness of the background light source 6 is controlled to be lower than the brightness of the character function key light source 5.
The character function key transparent film 9 is positioned between the bracket and the background light guide plate 4, and part of the character function key transparent film 9 is transparent, and the other part is light-shielding. The character function key transparent film 9 has the main function of enabling the light rays of the character function key light source 5 to only pass through the character function key part and shielding other parts. Therefore, the character function key transparent film 9 is provided with a light blocking layer 91 for blocking the light of the character function key light source 5 and a light transmitting portion 92 for transmitting the light of the character function key light source 5, and the position of the light transmitting portion 92 corresponds to the position of the character function key on the background film 8. The light blocking layer 91 can be formed on the back of the film by adopting a printing mode of opaque ink, or a layer of light blocking film is adhered on the transparent film, preferably an ink printing mode, and the process is simple and the cost is low. The shape pattern of the light-transmitting portion 92 corresponds to the shape, pattern and character position of the character function key image-text area on the background film 8. The character function key transparent film 9 is also provided with a slot 93 for the backlight bar 2 to penetrate.
The character function key transparent film 9 is positioned at the lower layer of the light source projection direction, the background film 8 is positioned at the upper layer of the light source projection direction, the character function key light source 5 sequentially projects light outwards through the character function key transparent film 9 and the background film 8 to light the character function key graphics context, and the background light source 6 lights the background film 8. After the transparent membrane 9 of the character function key and the background membrane 8 are matched with the light source, the display module displays the background image text and the character function key, and the image text is displayed mainly through the matching of the two membranes and different light sources.
The character function key light source 5 of each touch control key area is separately provided and separately controlled, and when a certain touch control key area is operated, the character function key light source 5 of the touch control key area is highlighted or highlighted and half-highlighted to blink. When a character function key light source 5 is lightened or blinks, light is projected upwards through a light transmission area of a character function key transparent membrane 9, and then passes through a background light guide plate 4 and a background membrane 8 to display a character function key.
The working principle of the utility model is as follows:
As shown in fig. 7, the projection path of the light of the background light source 6 is shown. When the household appliance is started or the power supply module is started in operation, the main control circuit controls the background light source 6 to be lightened, light of the side-light background light source 6 passes through the background light guide plate 4 to be homogenized, then the light is projected to the direction of the background film 8, and after the light of the background light source 6 passes through the background film 8, the background film 8 can be provided with background pictures and texts. The background light source 6 may be semi-bright with a brightness lower than that of the character function key light source 5. The background light source 6 can be instantly highlighted when being started and then tends to be semi-bright, and in the home power working state, the background light source 6 is always bright, and the background light source can be always bright or can be lighted under certain functions. In this embodiment, the background light guide plate 4, the background light source 6 and the background film 8 are matched, the background film 8 displays background graphics and texts under the light of the background light source 6, and displays function key graphics and texts under the projection of the character function key light source 5.
As shown in fig. 8, the projected path of the light of the character function key light source 5 is shown. When a user touches a certain touch control key region, the character function key light source 5 of the touch control key region is lighted or alternately blinks with high and low brightness. The light of the character function key light source 5 is projected upwards through the light transmission area (character function key light transmission area) of the first diaphragm 4, then upwards through the background light guide plate 4, and finally displayed through the function key graphics on the background diaphragm 8.
Example 2
A display panel adopts the dual light source image-text projection bracket type display module of the embodiment 1. The background membrane 8 is formed by compounding a touch membrane and a color membrane, the whole background membrane 8 is a glass or acrylic panel of the household appliance, and the whole display module is tightly attached to the cover plate. When the touch film and the color film of the background film 8 are arranged separately, the color film is attached to the upper surfaces of the background light guide plate 4 and the light blocking support member 7, and the touch film is arranged on the inner surface of the panel.
Example 3
The household appliance adopts the double-light-source image-text projection bracket type display module of the embodiment 1 or the display panel of the embodiment 2, and the household appliance comprises but is not limited to a washing machine, a refrigerator, a dish washer, a water purifier pipeline machine, a tea bar machine, a smoke machine, a water heater, an oven, a floor sweeping machine, an air conditioner or other household appliances.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A dual-light-source image-text projection bracket type display module is characterized by comprising a background light source (6), a character function key light source (5), a character function key transparent membrane (9) positioned at the lower layer and a background membrane (8) positioned at the upper layer, wherein the character function key light source (5) sequentially projects light outwards through the character function key transparent membrane (9) and the background membrane (8) to lighten the character function key image-text, and the background light source (6) lightens the background membrane (8).
2. The dual-light-source image-text projection bracket type display module set of claim 1, wherein the display module set further comprises a PCB (1) and a backlight light bar (2) which are embedded on the bracket (3), a character function key transparent membrane (9), a background light guide plate (4) and a background membrane (8) are sequentially arranged on the upper surface of the bracket (3), and a light blocking support (7) is arranged on the periphery of the background light guide plate (4).
3. The dual-light-source image-text projection bracket type display module set of claim 2, wherein a plurality of lamp cavities (31) are formed on the bracket (3), and the character function key light source (5) is positioned in the lamp cavities (31).
4. The dual-light-source image-text projection bracket type display module set of claim 2, wherein the background light source (6) is arranged on the backlight light bar (2), and the side-light-emitting background light source (6) is arranged on one side or two sides of the background light guide plate (4).
5. The dual-light-source image-text projection bracket type display module set of claim 2 or 4, wherein the backlight light bar (2) is positioned on the side surface of the bracket (3) and penetrates through the bracket (3), and the lower end of the backlight light bar (2) is electrically connected with the PCB (1).
6. The dual light source graphic projection bracket type display module set of claim 5, wherein the character function key transparent film (9) is positioned between the bracket and the background light guide plate (4), and the character function key of the character function key transparent film (9) is partially transparent and the other part is light-shielding.
7. The dual-light-source image-text projection bracket type display module set according to claim 2 is characterized in that the background film (8) is formed by compounding a touch film and a color film and is attached to the upper surfaces of the light guide plate and the light blocking support member (7), or the touch film and the color film of the background film (8) are separately arranged, the color film is attached to the upper surfaces of the light guide plate and the light blocking support member (7), and the touch film is arranged on the inner surface of the panel.
8. The dual light source graphic projection bracket type display module set according to claim 1, wherein the brightness of the background light source (6) is smaller than the brightness of the character function key light source (5).
9. A display panel employing the dual light source graphic projection bracket type display module of any one of claims 1 to 8.
10. A household appliance, which adopts the dual light source image-text projection bracket type display module set according to any one of claims 1 to 8 or adopts the display panel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422808249.7U CN223362777U (en) | 2024-11-18 | 2024-11-18 | Dual-light-source image and text projection bracket display module, panel, and home appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422808249.7U CN223362777U (en) | 2024-11-18 | 2024-11-18 | Dual-light-source image and text projection bracket display module, panel, and home appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223362777U true CN223362777U (en) | 2025-09-19 |
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ID=97045681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422808249.7U Active CN223362777U (en) | 2024-11-18 | 2024-11-18 | Dual-light-source image and text projection bracket display module, panel, and home appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223362777U (en) |
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2024
- 2024-11-18 CN CN202422808249.7U patent/CN223362777U/en active Active
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