CN216387662U

CN216387662U - LCD transparent screen and terminal equipment

Info

Publication number: CN216387662U
Application number: CN202122604949.0U
Authority: CN
Inventors: 章伟民; 廖思齐
Original assignee: Shenzhen Refond Optoelectronics Co Ltd
Current assignee: Shenzhen Refond Optoelectronics Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-26
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an LCD transparent screen and a terminal device, wherein the LCD transparent screen comprises: LCD panel, light source, reflect meter, LCD panel define back of the body and go into light side, display side and lie in the panel side between light side and the display side, and the LCD panel includes the display module assembly. The light source and the reflecting device are arranged on the side face of the LCD panel, light emitted by the light source is reflected by the reflecting device to directly enter the LCD panel from the light inlet side, and the image is displayed on the display side of the LCD panel after passing through the display module. The utility model does not need to preset a light guide element, so that light rays can directly enter the LCD panel without passing through the light guide element, thereby avoiding the problem of light ray loss due to the light guide element and achieving the effect of increasing the light transmittance of the screen; the light source and the reflecting device are arranged on the side face of the LCD panel and are not arranged in the vertical direction of the LCD panel, so that the arrangement of accessories in the space behind the screen is simplified, and the thickness of the screen is reduced.

Description

LCD transparent screen and terminal equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of LCD display screens, in particular to an LCD transparent screen and a terminal device.

[ background of the utility model ]

With the development of science and technology, people have stronger and stronger requirements on display screens, and meanwhile, the technical requirements on the display screens are higher and higher. The screen requirements are not only large, but also move towards transparency.

In the transparent screen in the prior art, light emitted by the light source is dispersed into a surface light source through the light guide element and then enters the display module to display images, but the light emitted by the light source is lost by the light guide element, so that the problem of insufficient light transmittance is caused.

[ Utility model ] content

The utility model provides an LCD transparent screen and a terminal device, aiming at overcoming the problem that the light transmittance of the existing transparent screen is insufficient.

In a specific embodiment of the present invention, an LCD transparent screen is provided, where the LCD transparent screen includes an LCD panel, a light source, and a reflection device, the LCD panel includes a display module, and the LCD panel defines a light incident side, a display side, and a panel side surface located between the light incident side and the display side, where the light source and the reflection device are located on the side surface of the LCD panel, and light emitted by the light source directly enters the LCD panel from the light incident side after being reflected by the reflection device, and an image is displayed on the display side of the LCD panel after passing through the display module.

Preferably, the light source and the reflecting means are disposed at one or more sides of the LCD panel.

Preferably, a light reflecting module is arranged on one side of the light source far away from the reflecting device to converge light rays to enter the reflecting device.

Preferably, the reflecting device defines a reflecting surface, and the reflecting surface is coated with a reflecting film.

Preferably, the reflecting surface of the reflecting device is a straight surface or a cambered surface.

Preferably, the material of the reflecting film is aluminum or silver.

Preferably, the light source is a fluorescent lamp or an LED lamp.

Preferably, the included angle between the plane of the light source and the plane of the reflecting device is 0-90 °.

Preferably, a plurality of groups of the light sources and the reflecting devices are arranged on the side surface of the LCD panel, and the light sources and the reflecting devices are in one-to-one correspondence, or one light source corresponds to a plurality of the reflecting devices, or one reflecting device corresponds to a plurality of the light sources.

The utility model further provides terminal equipment, and the terminal equipment is provided with the LCD transparent screen.

Compared with the prior art, the LCD transparent screen provided by the utility model has the following advantages:

1. the utility model provides an LCD transparent screen, compared with the traditional LCD transparent screen, through not arranging a light guide element, the loss of light and the space required behind the screen are greatly reduced, thereby achieving the effects of increasing the screen light transmittance and reducing the screen thickness and volume.

2. The utility model provides an LCD transparent screen, which does not occupy the space of the LCD panel in the vertical direction by the design of arranging a light source and a reflecting device at one side or a plurality of sides of the LCD panel, and achieves the effects of reducing the overall thickness of the LCD panel in the vertical direction of the incident side and the display side and reducing the volume of the screen.

3. The utility model provides an LCD transparent screen, which is characterized in that a light reflecting module is arranged at one side of a light source far away from a reflecting device, the light reflecting module is arranged in a direction without illumination, so that light can be directionally emitted to a required direction, the useless consumption of light is reduced, the utilization rate of the light is increased, meanwhile, the light reflecting module can reflect the light emitted to other directions to the required direction, the illumination intensity is enhanced, and the output efficiency of the light source is improved.

4. The utility model provides an LCD transparent screen, which increases the reflectivity of a reflecting device, reduces the energy loss of a light source, saves energy and provides a stronger light supply effect at the same time by arranging a reflecting film on the reflecting surface of the reflecting device.

5. The utility model provides an LCD transparent screen, wherein the reflecting surface of a reflecting device is designed to be a straight surface or an arc surface, and the arc surface has the function of converging light rays and can be used in a certain part of scenes needing stronger light, so that the effect of being applicable to multiple scenes is achieved.

6. The utility model provides an LCD transparent screen, which can plate films of different materials according to different use requirements by designing an aluminum-plated film or a silver-plated film on a reflecting surface, selects the silver-plated film for products with higher reflection requirements, increases the reflectivity, selects the aluminum-plated film for products with lower cost budget and reduces the cost.

7. The utility model provides an LCD transparent screen, which is characterized in that a light source is designed into a fluorescent lamp or an LED lamp, so that the fluorescent lamp is lower in cost, the LED lamp is high in light supply intensity, bright in color and higher in saturation, and compared with the fluorescent lamp, the LCD transparent screen saves electricity, and two different options are suitable for more scenes.

8. The utility model provides an LCD transparent screen, the included angle between a light source and a reflecting device is 0-90 degrees, the angle and the range of reflected light can be changed by changing the design of the included angle between the light source and the reflecting device, and the effect of being suitable for more screen sizes is achieved.

9. The utility model provides an LCD transparent screen, which can still meet the light supply requirement of an LCD panel under different scene requirements, such as a darker backlight environment or a larger screen and a scene with higher illumination intensity, by the design of arranging a plurality of light sources and reflecting devices according to the scene requirements, thereby achieving the effect of stronger applicability, wherein the light sources and the reflecting devices can be in one-to-one correspondence, or one light source can correspond to a plurality of reflecting devices or one reflecting device corresponds to a plurality of light sources, and if the upper side and the lower side of the screen are respectively provided with one reflecting device, scattered light is recycled; or one reflecting device corresponds to a plurality of light sources, thereby achieving the effects of increasing the light utilization efficiency and saving the cost.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of a transparent LCD panel according to a first embodiment of the present invention;

FIG. 2 is an exploded view of the LCD panel of the present invention;

FIG. 3 is a block diagram of the reflecting device of the present invention;

FIG. 4 is a schematic structural diagram of a transparent LCD panel according to a second embodiment of the present invention;

fig. 5-7 are schematic diagrams of the angle between the plane of the light source of the present invention and the plane of the reflecting means.

FIG. 8 is a schematic structural diagram of a third embodiment of a transparent LCD panel according to the present invention;

FIG. 9 is a schematic structural diagram of a transparent LCD panel according to a fourth embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a fifth embodiment of an LCD transparent screen according to the present invention;

FIG. 11 is a schematic structural diagram of a sixth embodiment of a transparent LCD panel according to the present invention;

FIG. 12 is a schematic structural diagram of a seventh embodiment of an LCD transparent screen according to the present invention;

description of reference numerals:

1: LCD transparent screen

10: LCD panel 20: light source 30: reflection device

11: light incident side 12: the display side 31: reflecting surface

110: the display module 310: reflective film

1101: an upper polarizer 1102: color filter 1103: liquid crystal layer

1104: transparent substrate 1105: lower polarizer

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in 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 utility model and are not intended to limit the utility model.

It is to be noted that the terms "first" and "second" and the like in the description and the claims of the present invention are used for distinguishing different objects, and are not used for describing a specific order.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1, the present invention provides an LCD transparent panel 1, where the LCD transparent panel 1 includes an LCD panel 10, a light source 20, and a reflection device 30. The LCD panel 10 includes a display module 110, and the LCD panel 10 defines opposite light incident sides 11, a display side 12, and a panel side between the light incident side 11 and the display side 12. The light source 20 and the reflection device 30 are located at the side of the LCD panel 10, and light emitted from the light source 20 is reflected by the reflection device 30 and then directly enters the LCD panel 10 from the light incident side 11, and then passes through the display module 110 to display an image on the display side 12 of the LCD panel 10.

Referring to fig. 2, the display module 110 includes an upper polarizer 1101, a color filter 1102, a liquid crystal layer 1103, a transparent substrate 1104, and a lower polarizer 1105. After entering the display module 110, the light emitted from the light source 20 enters from the light incident side 11, and is in a radial shape due to different incident light directions, so that the direction of the light is normalized and consistent after being twisted by the lower polarizer 1105, and then the light enters the transparent substrate 1104 and the liquid crystal layer 1103, the liquid crystal is twisted under the control of the transparent substrate 1104 to achieve the control of the light, and then the light enters the color filter 1102, and the color filter 1102 colors the light and then enters the upper polarizer 1101, because the direction of the light is twisted by the liquid crystal layer 1103, the light originally normalized by the lower polarizer 1105 becomes nonuniform in direction again, so that the light needs to be normalized again by the upper polarizer 1101, and then is emitted from the display side 12, and the LCD panel 10 displays images.

LCD panel 10 possesses four sides, light source 20 and reflect meter 30 can set up in a side according to the demand of practical application scene, two sides, three side or four sides all set up light source and reflect meter, satisfy the demand that the light source intensity is different under the different application scenes, set up light source 20 and reflect meter 30 in the side of LCD panel 10 simultaneously, only LCD panel 10 a part on the vertical of the income light side 11 of LCD panel 10 and display side 12, the effect of whole thickness in the vertical of the income light side 11 that has played and reduced LCD panel 10 and display side 12.

The light source 20 can be a fluorescent lamp or an LED lamp, the light emitted by the fluorescent lamp is 360 °, and a light reflecting module can be additionally arranged on one side away from the reflecting device 30, so that the waste light can be reflected back to the reflecting device 30 to a certain extent, and the utilization rate is improved. The fluorescent lamp has the defects of high heat generation, large power consumption and the like, but the cost of the fluorescent lamp is lower; the illumination angle of the LED lamp is 120 °, which has the advantages of low energy consumption, high light emitting efficiency, long service life, and more vivid color, but the cost is higher than that of a fluorescent lamp, and the light source 20 can be selectively set as a fluorescent lamp or an LED lamp to meet the requirements of more customers.

The reflection device 30 is generally a surface-polished metal device with regular reflection performance and a glass or metal product with a metal reflection film, and the surface-polished metal with regular reflection performance realizes the effect of reflecting light, but the reflectivity of the metal is related to the properties of the metal and the surface flatness, and has the defects of high cost and complex manufacturing process. The glass or metal product with the metal emission film is adopted, the cost of the film plating is lower than that of the whole metal, and the process is simpler. The polished side of the metal device and the coated side of the glass or metal article define a reflective surface 31. Referring to fig. 3, when the mirror surface is coated, the reflective surface 31 is coated with a reflective film 310, and since energy loss occurs during the reflection of light, the reflective surface 31 is coated with the reflective film 310 to increase the reflectivity, and the energy loss during the reflection is reduced by increasing the reflectivity, so as to achieve the purpose of improving the light energy utilization efficiency. Meanwhile, the flatness of the reflective surface 31 and the reflective film 310 also affects the reflectivity, and if the reflective surface 31 and the reflective film 310 are not flat or have impurities, diffuse reflection which cannot be observed by naked eyes occurs, resulting in energy loss of incident light, so that the purpose of improving the reflectivity can be achieved by improving the manufacturing process precision.

The reflecting surface 31 of the reflecting means 30 may be provided as a straight surface or a curved surface, and in the first embodiment of the present invention, the reflecting surface 31 of the reflecting means 30 is provided as a straight surface. Referring to fig. 4, in the second embodiment of the present invention, the reflective surface 31 is a curved surface that is concave toward the light source, and compared with a straight surface, the curved surface can gather light to collect the scattered light to a certain extent, so that the scattered light can be collected to a certain extent, and the light can be directed to the screen area in charge to a certain extent under the condition of being dedicated to a certain area for supplying light, thereby reducing the loss of light and improving the utilization efficiency.

The reflecting film 310 is made of aluminum or silver, and the silver-plated film has the advantage of high reflectivity and can improve the utilization rate of light; the aluminum-plated film has an advantage of being less expensive although the reflectance is not as high as that of the silver-plated film.

Referring to fig. 5, the dotted line is a perpendicular line of the reflection device, when the angle between the light source 20 and the reflection device 30 is 30 °, the incident angle of the light is 30 °, and after the light is reflected by the reflection device, the exit angle is also 30 °, it is obvious that the angle of the light path can make the light to be emitted to a closer direction, and it can be understood that in the embodiment where the height of the LCD panel 10 is low, the angle between the light source 20 and the reflection device 30 can be set to 0-30 °.

Referring to fig. 6, the dotted line is a perpendicular line of the reflection device, when the angle between the light source 20 and the reflection device 30 is 45 °, the incident angle of the light is 45 °, and after the light is reflected by the reflection device, the exit angle is also 45 °, it is obvious that the angle of the light path directs the light to the direction of the middle distance, and it can be understood that the angle between the light source 20 and the reflection device 30 can be set to 30-60 ° in the embodiment of the height of the LCD panel 10.

Referring to fig. 7, the dotted line is a perpendicular line of the reflection device, when the angle between the light source 20 and the reflection device 30 is 60 °, the incident angle of the light is 60 °, and after the light is reflected by the reflection device, the exit angle is also 60 °, it is obvious that the angle of the light path can make the light to be emitted to a far direction, and it can be understood that in the embodiment of the LCD panel 10 with a high height, the angle between the light source 20 and the reflection device 30 can be set to 60-90 °.

Fig. 5, 6 and 7 are only for explaining the relationship between the angle of the light source 20 and the reflection device 30 and the direction of the optical path, and the positional relationship between the light source 20 and the reflection device 30 is not limited.

Referring to fig. 8, in the third embodiment of the present invention, when the LCD panel 10 is relatively high and the light source 20 and the reflection device 30 are not required to be arranged in any of the three directions except one side, a plurality of sets of the light source 20 and the reflection device 30 may be arranged on the side where the light source 20 and the reflection device 30 are arranged, and the angle between the light source 20 and the reflection device 30 is changed to allow each set of the light source 20 and the reflection device 30 to respectively supply light to a portion of the screen.

Referring to fig. 9, in the fourth embodiment of the present invention, the LCD panel 10 has a larger area, but the light sources 20 and the reflection devices 30 are not limited to one side, and one group of the light sources 20 and the reflection devices 30 cannot meet the light supply requirement, at this time, a plurality of groups of the light sources 20 and the reflection devices 30 are disposed on a plurality of sides, each group of the light sources 20 and the reflection devices 30 respectively supplies light to a part of the screen, and the light supply requirement of a large screen is met by the plurality of groups of the light sources 20 and the reflection devices 30.

Referring to fig. 10, in the fifth embodiment of the present invention, in some facilities with special structures, the light source 20 and the reflection device 30 cannot be disposed as a whole, and at this time, a plurality of light sources 20 and reflection devices 30 can be used to respectively correspond to a portion of the LCD panel, so as to achieve full light supply coverage for the LCD panel 10 and meet the light supply requirement of the LCD panel 10.

Referring to fig. 11, in the sixth embodiment of the present invention, in order to further improve the light utilization rate, a reflection device 30 is additionally disposed in the exit direction of the light path to reflect the scattered light back to the light incident side 11, so as to further improve the light utilization rate and save more energy.

Referring to fig. 12, in the seventh embodiment of the present invention, when the environment is dark and needs a stronger light source supply, but the cost or the available space is limited, a plurality of light sources 20 can share one reflection device 30, so as to meet the requirement of the illumination intensity and save more cost and space.

The embodiment of the utility model omits the design of the light guide plate, utilizes the reflecting device 30 to transmit light emitted by the light source 20 and then directly enters the display module 110 from the light incident side 11 of the LCD panel 10, greatly improves the utilization rate of the light, increases the light transmittance of the screen, simultaneously arranges the light source 20 and the reflecting device 30 on the side surface of the LCD panel 10, increases the aesthetic degree of the transparent screen, and can be applied to more scenes.

The utility model also provides terminal equipment, which comprises the LCD transparent screen 1, wherein the LCD transparent screen 1 can be used for commodity display cabinets, wall bodies, doors and windows, refrigerators and other terminal equipment with screens, and information needs to be displayed.

Compared with the prior art, the LCD transparent screen provided by the utility model has

The following advantages

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention should be considered as the technical scope of the present invention.

Claims

1. An LCD transparent screen, its characterized in that: the LCD transparent screen comprises an LCD panel, a light source and a reflecting device, the LCD panel comprises a display module, the LCD panel is defined with a back-to-back light-entering side and a display side, and is located on the side face of the panel between the light-entering side and the display side, the light source and the reflecting device are located on the side face of the LCD panel, light emitted by the light source passes through the reflecting device and is directly reflected by the reflecting device, the light-entering side enters the LCD panel, and the light passes through the display module and is then displayed on the display side of the LCD panel.

2. The LCD transparent screen of claim 1, wherein: the light source and the reflecting device are disposed at one or more sides of the LCD panel.

3. The LCD transparent screen of claim 1, wherein: and a light reflecting module is arranged on one side of the light source, which is far away from the reflecting device, so as to converge light rays to enter the reflecting device.

4. The LCD transparent screen of claim 1, wherein: the reflecting device is defined with a reflecting surface, and a reflecting film is plated on the reflecting surface.

5. The LCD transparent screen of claim 4, wherein: the reflecting surface of the reflecting device is a straight surface or an arc surface.

6. The LCD transparent screen of claim 4, wherein: the reflecting film is made of aluminum or silver.

7. The LCD transparent screen of claim 1, wherein: the light source is a fluorescent lamp or an LED lamp.

8. The LCD transparent screen of claim 1, wherein: the included angle between the plane of the reflecting device and the plane of the light source is 0-90 degrees.

9. The LCD transparent screen of claim 1, wherein: the side of the LCD panel is provided with a plurality of groups of the light sources and the reflecting devices, the light sources and the reflecting devices are in one-to-one correspondence, or one light source corresponds to a plurality of the reflecting devices, or one reflecting device corresponds to a plurality of the light sources.

10. A terminal device characterized by: the terminal device is provided with an LCD transparent screen according to any of claims 1-9.