CN112965285A

CN112965285A - Eye-protecting liquid crystal display

Info

Publication number: CN112965285A
Application number: CN202110404697.9A
Authority: CN
Inventors: 湛玉文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-06-15

Abstract

The invention discloses an eye-protecting liquid crystal display which comprises a display body, wherein a protective frame is arranged on the outer side of the display body, a backlight module convenient to disassemble is arranged on the rear side surface of the protective frame, a light shield convenient to disassemble is arranged on the periphery of the protective frame, and four side plates of the light shield are connected through a plurality of torque link pieces. According to the invention, the backlight module, the brightening module and the diffusion sheet are arranged behind the liquid crystal display screen, natural light is polymerized on the diffusion sheet through the brightening module and is further uniformly diffused by the diffusion sheet, so that the effective utilization of a natural light source is realized, the prism lens is added when the liquid crystal display screen is used by a single person to increase the display brightness of the front angle of the screen, the damage effect of the traditional backlight illumination device to eyes is avoided, and the display effect of the traditional natural light displayer is improved.

Description

Eye-protecting liquid crystal display

Technical Field

The invention relates to an eye-protecting liquid crystal display, in particular to a transmission-type eye-protecting liquid crystal display.

Background

In the patent disclosed on the national intellectual property office website, the publication number is CNN 212623486U, the publication date is 2021.02.26, and its display device includes display body, reflecting plate and connecting device, and controlling means includes the LCD drive plate, and the LCD drive plate is installed below the display screen, and the LCD drive plate controls the liquid crystal display panel, and the reflecting plate is installed behind the display screen, opens certain angle in order to reflect the light source on display device, and the illumination liquid crystal screen shows. A natural light eye protection display is disclosed above, however, this design suffers from the following problems and disadvantages: 1. the lower end of the reflecting plate is fixed on the lower frame of the display screen, so that brighter light rays are not easy to reflect to the back of the display screen, the screen is darker, and the display details of partial images are lost; 2. the natural light display needs to be used in the bright direction, but the natural light display is not provided with a light shield, human eyes are interfered by the bright light, and the visual comfort degree is seriously reduced 3. the metal frame of the display is not provided with a fixing device and cannot be fixed on a wall or a window, so that more use scenes are limited.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an eye-protecting liquid crystal display which is provided with a lens hood, a display installation table, a display installation wall body frame, a display installation window sash, a lens hood, a backlight module, sunglass lenses, a light screen and a brightening module so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a natural light protects eye display, includes liquid crystal display, liquid crystal display drive plate, signal line, power cord, protection frame and following accessory: the device comprises a light shield, a light screen, a light shading plate, a backlight module, a brightening module, a VESA standard display support, a display mounting table, a protective frame, a display wall mounting frame, a display mounting window sash and sunglasses lenses. The outside of display screen is equipped with the protection frame of broad, be equipped with on the protection frame with display accessory fixing device assorted fixing device. The lens hood is equipped with all around with protection frame fixing device assorted fixing device, can fix the lens hood on the protection frame when adopting natural light source to illuminate the display screen, and the lens hood colour is dark as far as possible to obtain good visual experience. The lens hood can be further designed to be foldable, and the space can be saved when the lens hood is detached for placement. As a further scheme of the light shield, arc-shaped holes are formed in the fixing positions of the two side faces of the light shield and the lower end of the display, the pitching angle of the display can be adjusted, and the light shield has a supporting function and can replace a VESA standard display support.

The backlight module structure is: a plurality of bulbs encircle to set up in the recess of backlight unit frame, and the backlight unit reflecting plate is fixed with backlight unit frame integration, and backlight unit frame internal surface is the high reflectivity plane, and the bulb further can design for the hot light source, and hot light source colour temperature is low, and the power supply mode is DC power supply, and DC power supply does not have stroboscopic phenomenon, and is more friendly to eyes. The fixing devices matched with the protecting frame fixing devices are arranged on the periphery of the frame of the backlight module, and the backlight module is fixed on the protecting frame when no natural light source exists, so that the display can be continuously used.

The display installation table structure does: the table body is provided with a fixing device matched with the protecting frame fixing device at the back, a forward light screen is arranged around the table body, and the table top can replace the upper light screen when being opaque.

The brightening module structure is as follows: and a condensing lens or a reflecting plate is fixed at the top end of the cantilever support. The condensing lens can be a convex lens or a Fresnel lens, and the reflector can be a diffuse reflection reflector or a concave reflector with a certain radian. The distance and the direction between the brightness enhancement module and the display are adjusted to enable the light rays to be converged behind the display so as to obtain a bright display effect. As a further scheme of the eye protection liquid crystal display, a reflector bracket is arranged on the back face of a reflector of the brightening module, the reflector bracket is in sliding connection with the reflector, a fine adjustment screw is arranged on the bracket, the reflector is pulled by rotating the fine adjustment screw to enable the reflector to have different radians, a concave mirror is formed, and light is condensed and reflected to the back of the display through the reflector to obtain a bright display effect.

Display wall body installation frame structure does: the rectangular frame is provided with a plurality of groups of fixing devices matched with the fixing devices of the protective frame of the display and a structure fixed with the holes of the wall body. As a further scheme of the eye-protecting liquid crystal display, the display wall body mounting frame structure is as follows: four angular level departments of rectangular frame are equipped with wall body fixed joint and are used for inserting the wall body, are equipped with the guide rail about the frame is internal, install two vertical sliding support in the guide rail, and transverse arrangement's pulley is installed at the sliding support both ends, is equipped with multiunit and display protection frame fixing device assorted fixing device on the sliding support, changes the distance between two vertical sliding support through sliding to alright in order to install not unidimensional display. The display is installed on the sliding support of wall body installation frame, and the preceding room that is dim of light of display, the display room that is bright behind, as the display that many people watched simultaneously, the prism piece is cancelled at the back to the display screen, can let the increase of display viewing angle, and display effect is more natural, and the viewer can obtain good vision body. According to a further scheme of the eye-protection liquid crystal display, the display wall mounting frame is fixed to the wall through screw fasteners so as to be convenient to detach and mount.

The display installation window sash structure does: the window sash frame is provided with a plurality of groups of fixing devices matched with the fixing devices of the protective frame of the display. As a further scheme of the eye-protection liquid crystal display, the structure of a display installation window sash is as follows: the window sash frame is characterized in that guide rails are arranged on the upper portion and the lower portion of the inner side of the window sash frame, two vertical sliding supports are installed in the guide rails, transversely-arranged pulleys are fixed at two ends of each sliding support, a plurality of groups of fixing devices matched with the fixing devices of the display protection frame are arranged on the sliding supports, the distance between the two vertical sliding supports is changed through sliding, and displays of different sizes can be installed. As a further scheme of the eye-protection liquid crystal display, the display is provided with a window sash which is a rotary window, and the window sash is rotated to the wall surface when the liquid crystal display is not used, so that the lighting is not influenced, and the liquid crystal display cannot be damaged due to long-time exposure of sunlight.

The structure of the window shade is as follows: the shading cloth is cut with a notch matched with the size of a display fixing frame, a fixing device matched with a display protection frame fixing device is arranged at the edge of the notch, a hook is connected to the upper edge of the shading cloth and connected to a sliding support, the sliding support is provided with a device fixed with a wall, and when the eye protection liquid crystal display is installed on a window sash or the wall, the light around the display can be shielded by a shading curtain.

The shading plate is used as an accessory for improving the display effect of the small-size display, the shading plate structure is that a rectangular hole matched with the size of the display protection frame is formed in the middle of a rectangular plate, and a fixing device matched with the display protection frame fixing device is arranged at the edge of the rectangular hole. The outer edge of the light screen is provided with a fixing device matched with the light shield fixing device, when the small-sized eye protection liquid crystal display is used, the light screen enlarges the sight space, and meanwhile, the peripheral bright light of the display is blocked, so that a user has better visual experience.

The sunglass lens is an optical lens with the function of blocking harmful light, the edge of the sunglass lens is provided with a fixing device matched with a protection frame fixing device, the sunglass lens can be installed at the back of a display or in front of the display, the fixing device is designed in a convenient dismounting mode, the sunglass lens with different optical performances can be installed according to different environments, the effect of protecting eyes is achieved, and the sunglass lens is suitable for being installed and used in an environment with strong outdoor sunlight.

As a further scheme of the eye-protecting liquid crystal display, as a television watched by multiple people, a prism sheet is not arranged between the diffusion sheet and the lower polarizer, so that a larger visual angle and a more natural display effect can be obtained; as a display for single person use, a prism sheet is installed between a diffusion sheet and a lower polarizer, and brighter front display brightness can be obtained.

As a further scheme of the eye protection liquid crystal display, an android system integrated circuit board, a microsoft operation system integrated circuit board or an apple system integrated circuit board is arranged in a display shell, a built-in power supply battery, a loudspeaker and a camera are connected with the operation system integrated circuit board and connected with the eye protection liquid crystal display through a screen signal line, a matched touch pad is arranged in front of the liquid crystal display, and the touch pad is connected with a touch screen driving circuit and then connected with the operation system integrated circuit board to form a tablet personal computer or a smart phone.

Compared with the prior art, the invention has the following advantages:

according to the invention, the diffusion sheet and the brightening module are arranged behind the liquid crystal display screen, natural light is directly condensed and irradiated on the diffusion sheet, the diffusion sheet is further uniformly diffused, the effective utilization of a natural light source is realized, meanwhile, the diffusion sheet and the prism sheet increase the display brightness of the screen, the problems that the traditional external lighting device has an injury effect on eyes and the eye protection effect is poor are avoided, and the problems that the existing natural light displayer is dark in display and the vision is easily interfered are avoided; the periphery of the protective frame of the liquid crystal display screen is provided with the light shield, so that the bright light is prevented from interfering with vision; the window shade, the light screen, the display installation table, the display installation window sash and the display wall installation frame are designed, and the sunglasses lens is used as a display accessory, so that the use scene of the display is expanded.

Drawings

Fig. 1 is a schematic front view of a body of an eye-protecting liquid crystal display.

Fig. 2 is a schematic view of a light shield structure for protecting an lcd.

Fig. 3 is a schematic view of a display mounting table for protecting an lcd.

FIG. 4 is a schematic view of a backlight module of an eye-protecting LCD.

FIG. 5 is a schematic view of a reflective plate type brightness enhancement module of an eye-protecting LCD.

Fig. 6 is an enlarged schematic view of a fine adjustment knob structure of a reflection plate type brightness enhancement module of a eye-protection display.

FIG. 7 is a schematic view of a condensing lens type brightness enhancement module of an eye-protecting LCD.

Fig. 8 is a schematic view of a display mounting window sash for an eye-protected lcd.

Fig. 9 is a schematic view of a display mounting wall frame structure of an eye-protected lcd.

Fig. 10 is a schematic view of a window shade for protecting an lcd.

Fig. 11 is a schematic view of a light shielding plate for protecting an eye of a liquid crystal display.

Fig. 12 is a schematic diagram of a complete structure of an eye-protecting liquid crystal display used in a natural light environment.

FIG. 13 is a schematic diagram of a complete structure of an eye-protected LCD used in the absence of ambient light.

FIG. 14 is a schematic diagram of an eye-protecting LCD with a condensing lens type brightness enhancement module under natural light environment to improve display effect.

Fig. 15 is a schematic view of an eye-protecting lcd using a reflective plate type brightness enhancement module to improve the display effect in natural light.

In the figure: 1. a liquid crystal display screen; 2. a protective frame; 3. a liquid crystal screen driving board shell; 4. a display fixing device; 6. a light shield; 7. a lens hood arc-shaped hole; 8. a display mounting table; 9. the display is provided with a table side shading plate; 10. a table leg; 11. a backlight module frame; 12. a backlight module reflector plate; 13. a bulb mounting groove; 14. a bulb; 15. a brightening module reflector; 16. a brightening module reflector sucker; 17. a radian fine-tuning screw; 18. a brightening module reflector fixing bracket; 19. a cantilever support; 20. a brightening module condensing lens; 21. the brightening module condensing lens fixes the frame; 22. a display mounting sash frame; 23. the display is provided with a support pulley in the window sash frame; 24. the display is installed the fixed device of the inner support of the window frame; 25. the display is arranged in the window sash frame; 26. a window sash frame pulley; 27. the display is provided with a wall body fixing joint of a wall body frame; 28. the display is provided with a support pulley in the wall framework; 29. the display is installed on a bracket fixing device in the wall framework; 30. the display is arranged on a support in the wall body frame; 31. the display is provided with a wall frame; 32. a window shade sliding bracket; 33. a window shade hook; 34. a window blind; 35. a window shade gap; 36. a visor; 37. a display mounting hole position fixing device; 38. a display mounting hole site; 39. a radian adjusting screw; 41. a backlight module fixing device; 42. VESA standard display support mounting hole; 43. a display HDMI signal interface; 44. natural light.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to specific embodiments.

The first embodiment is as follows: as shown in fig. 12, the light shield 6 is installed on the back of the display around the protective frame 2 of the eye protection liquid crystal display through a manual screw fixing device, the light shield shields the light rays in front of the display from up, down, left and right, and bright light interference vision is avoided.

Example two: as shown in fig. 13, when using in night or dim room, the back light module at the back of the eye protection liquid crystal display is installed on the protective frame 2 through the manual screw fixing device 41, the back light module uses 12V DC halogen lamp, a plurality of halogen lamps 14 surround the groove 13 installed below the frame of the back light module, the halogen lamp is connected in parallel at the output end of 12V5A DC adjustable power adapter through DC connector, the input end of 12V5A DC adjustable power adapter is connected with 220V ac through plug, the brightness of the back light module can be adjusted as required, the light emitted by the halogen lamp is reflected to the back of the display through the inner side of the back light module frame 11 and the back light module reflection plate 12 to illuminate the screen for display, most of infrared rays are filtered in the reflection process, the problem of light stroboflash is avoided by DC power supply, and the eye protection effect is achieved.

Example three: as shown in fig. 14, when the eye-protection liquid crystal display is used in a non-bright environment, the condensing lens type brightness enhancement module is horizontally placed at a distance of 30 cm behind the eye-protection liquid crystal display, the condensing lens is a fresnel lens 20, the size of the condensing lens is twice that of the display screen, natural light 44 is condensed by an fresnel lens, the light is condensed to a range just behind the display screen, the light behind the display screen becomes brighter, and the display brightness of the eye-protection liquid crystal display can be greatly improved.

Example four: as shown in fig. 15, when the eye-protection liquid crystal display is used in a non-bright environment, the reflective plate type brightness enhancement module is horizontally placed at a position 30 cm behind the eye-protection liquid crystal display, the reflective plate is inclined at 45 degrees to the horizontal plane, the fine adjustment screw 17 behind the reflective plate is rotated to pull the middle part of the reflective plate, the reflective plate forms a concave mirror, and after vertical downward natural light is polymerized and reflected by the reflective plate 15, the natural light is polymerized and irradiated behind the display screen along the horizontal direction, so that the display brightness of the eye-protection liquid crystal display is improved.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the term "fixing device" should be understood broadly, and may be a magnet fixing device, a snap fixing device, a slot fixing device, a vacuum chuck fixing device, a screw fastener fixing device, a double-sided adhesive tape fixing device, and any known fixing device. The term "coupled" is to be interpreted broadly, and may include electrical, mechanical, and signal connections.

In summary, although the present invention has been disclosed in connection with the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the definition of the appended claims.

Claims

1. The utility model provides an eyeshield LCD, its characterized in that, includes liquid crystal display (1), liquid crystal display's the outside is equipped with protection frame (2), protection frame's periphery is equipped with lens hood (6), the back of protection frame is equipped with the backlight unit that can conveniently dismantle, liquid crystal display includes lower polaroid, liquid crystal substrate, color filter and the last polaroid that sets gradually from the back to the front.

2. The eye-protecting lcd of claim 1, wherein the display further comprises a lcd panel driver board and a display power integrated driver disposed at the inner lower end, and power and video connection lines.

3. A natural light eye protection display according to claim 1, wherein a touch panel is provided in front of the liquid crystal display, the display further comprises an android system ic board or a microsoft os ic board or an apple system ic board provided at a lower end of the inside, and a video cable.

4. The eye-protecting LCD device of claim 1, wherein the LCD device is provided with a brightness enhancement module for increasing the brightness of the rear side of the display screen, the brightness enhancement module is separated from the display body, and the brightness enhancement module is structured by fixing a reflection plate (15) or a condensing lens (20) at the top end of the cantilever support.

5. The eye-protecting LCD device of claim 4, wherein the reflector plate has fine tuning screws (17) on its back for adjusting the curvature of the reflector plate.

6. The eye-protecting LCD device of claim 1, wherein a prism sheet is disposed between the diffuser and the lower polarizer of the display body.

7. The eye-protecting liquid crystal display of claim 1, wherein the eye-protecting liquid crystal display is provided with a display wall mounting frame.

8. The eye-protecting LCD device of claim 7, wherein the wall-fixing frame is provided with a sliding bracket, and the sliding bracket is provided with a fixing device matching with the fixing device of the protective frame.

9. The eye-protecting liquid crystal display according to claim 1, wherein the eye-protecting liquid crystal display is provided with a display mounting table, the display mounting location is provided with a light screen, and the display mounting location is provided with a fixing device matched with the protective frame fixing device.

10. The eye-protecting liquid crystal display according to claim 1, wherein the eye-protecting liquid crystal display is provided with a display mounting sash, the display mounting sash being provided with a fastening means that mates with the protective bezel fastening means.

11. The eye-protecting lcd of claim 10, wherein the window sash has a sliding bracket, and the sliding bracket has a fixing device matching the fixing device of the protective bezel.

12. The eye-protecting liquid crystal display of claim 1, wherein the light shield is a readily removable light shield.

13. The eye-protecting LCD of claim 1, wherein the backlight module brightness adjustment is DC dimming, and light from the backlight module is reflected by the inner groove of the backlight module frame and the backlight module reflector to the rear side of the display screen.

14. The eye-protecting lcd of claim 13, wherein the light source of the backlight module is a thermal light source.

15. The eye-protecting LCD device of claim 1, wherein the LCD device has a light shielding plate, a rectangular hole with a size matching the protective frame of the display is opened in the middle of the light shielding plate, a fixing device matching the fixing device of the protective frame of the display is provided at the edge of the rectangular hole, and a fixing device matching the fixing device of the light shielding plate is provided at the outer edge of the light shielding plate.

16. The eye-protecting LCD of claim 1, wherein the LCD is provided with a window shade, the window shade is provided with a notch, and the edge of the notch is provided with a fixing device matching with the fixing device of the protective frame of the display.

17. The liquid crystal display according to claim 1, wherein the liquid crystal display is provided with sunglass lenses with display screen size, the sunglass lenses are provided with fixing devices matching with the protective rim fixing devices.