Display screen visual angle test fixture

Abstract

The utility model relates to the technical field of liquid crystal display, in particular to a display screen visual angle test fixture. The display screen visual angle test fixture provided by the utility model is provided with the rotating platform and the display screen rotating frame, the adjustment of the horizontal visual angle and the vertical visual angle of the display screen is realized by controlling the rotating platform driving motor and the display screen rotating driving motor, and the visual angle of the display screen is tested, so that the measurement of an azimuth angle (angle phi) and a polar angle (angle theta) is realized at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid crystal display, in particular to a display screen viewing angle test fixture. Background Art

[0002] This section is intended to provide a background or context to the embodiments of the utility model recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

[0003] The growing demand for display screens has led to the development of related testing technologies. For liquid crystal display products, viewing angle detection is a very important issue. The viewing angle of a display screen includes two indicators: horizontal and vertical. The horizontal viewing angle is called the horizontal viewing angle, and the vertical viewing angle is called the vertical viewing angle. The viewing angle of a display screen is an important parameter for measuring the performance of a display screen. In the prior art, the display angle of the jig used to test the viewing angle of the display screen cannot be adjusted, and the display screen cannot be tested at multiple angles. Utility Model Content

[0004] The purpose of the utility model is to provide a display viewing angle test fixture to address the above-mentioned shortcomings of the prior art, so that the angle of the display screen can be flexibly adjusted, and the display screen can be tested in various directions, and the azimuth angle (Φ angle) and polar angle (θ angle) can be measured at the same time. The azimuth angle (Φ angle) of the utility model is the horizontal viewing angle, and the polar angle (θ angle) is the vertical viewing angle.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows.

[0006] A display viewing angle test fixture comprises a support base, a rotating platform, a rotating platform driving motor, a display screen rotating driving motor, and a display screen rotating frame, wherein the rotating platform is located on the support base, the rotating platform driving motor is arranged inside the support base and is electrically connected to the rotating platform on the support base, and is used to drive the rotating platform to rotate according to a set angle, the display screen is rotatingly mounted on the rotating platform, and the display screen is rotated by the driving motor, the display screen is fixed to the display screen rotating frame by a telescopic device, and the fixture adjusts the horizontal viewing angle and the vertical viewing angle of the display screen by the rotating platform driving motor and the display screen rotating driving motor.

[0007] In some embodiments, the display screen is fixed to the display screen rotating frame through a telescopic structure, the display screen rotating frame includes a receiving plate and connecting rods at both ends of the receiving plate, the connecting rods are rotatably connected to the bracket, and the telescopic structure includes two pairs of clamps relatively arranged around the receiving plate, and the distance between the clamps is adjustable.

[0008] In some embodiments, a slide groove is provided under the receiving plate, and the clamping jaws cooperate with the slide groove and can slide in the slide groove to achieve distance adjustment between the clamping jaws.

[0009] In some embodiments, the clamping jaws slide in the slide groove to move closer or farther away from each other, thereby adjusting the distance between the clamping jaws and clamping display screens of different sizes.

[0010] In some embodiments, the display screen rotating frame is installed on the rotating platform via a bracket, the bracket includes two columns perpendicular to the rotating platform and a rotating shaft connected to the columns, both ends of the rotating shaft pass through the shaft holes on the top of the columns and can rotate around the shaft holes, and the display screen rotation drive motor is installed at one end of the rotating shaft to drive the rotating shaft to rotate.

[0011] In some embodiments, the fixture further includes a controller, the rotating platform drive motor and the display screen rotation drive motor are provided with a receiver, and the controller controls the rotating platform drive motor and the display screen rotation drive motor through the receiver.

[0012] In some embodiments, the controller inputs a rotation angle to the receiver, and controls the rotating platform drive motor and the display screen rotation drive motor to rotate according to the input rotation angle.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a display viewing angle test fixture, which is provided with a rotating platform and a display screen rotating frame. The horizontal viewing angle and the vertical viewing angle of the display screen are adjusted by controlling the rotating platform driving motor and the display screen rotating driving motor, and the display screen viewing angle is tested, thereby realizing the measurement of the azimuth angle (Φ angle) and the polar angle (θ angle) at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a schematic diagram of the structure of a display viewing angle test fixture according to an embodiment of the utility model.

[0017] In the attached drawings, 1-support base, 2-rotating platform, 3-rotating platform driving motor, 4-supporting plate, 5-display screen rotating frame, 6-display screen rotating driving motor, 7-clamp, 8-controller, 9-rotating axis, 10-bracket, 11-column. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in combination with the embodiments and drawings. The schematic implementation mode and description of the utility model are only used to explain the utility model and are not intended to limit the utility model. It should be noted that the utility model is already in the actual development and use stage.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc., of the present invention are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. When an element is referred to as being "provided with" another element, it may be provided on the surface or inside of the element.

[0021] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0022] The utility model aims to solve the problem that the angle of the display screen of the existing jig for testing the viewing angle of the display screen cannot be adjusted and the display screen cannot be tested at multiple angles. The utility model provides a device that can flexibly adjust the angle of the display screen, facilitates testing of the display screen in various directions, and realizes the measurement of the azimuth angle (Φ angle) and the polar angle (θ angle). The following is an explanation through specific embodiments.

[0023] Optionally, as an implementation, a display viewing angle test fixture, such as Figure 1As shown, it includes a supporting base 1, a rotating platform 2, a rotating platform driving motor 3, a display screen rotating driving motor 6, and a display screen rotating frame 5. The rotating platform 2 is located on the supporting base 1. The rotating platform driving motor 3 is arranged inside the supporting base 1 and is electrically connected to the rotating platform 2 on the supporting base 1, and is used to drive the rotating platform 2 to rotate according to a set angle. The display screen rotating frame 5 is arranged on the rotating platform 2, and realizes the rotation of the display screen by driving the driving motor. The display screen is fixed to the display screen rotating frame 5 by a telescopic device. The jig realizes the adjustment of the horizontal viewing angle and the vertical viewing angle of the display screen through the rotating platform driving motor 3 and the display screen rotating driving motor 6.

[0024] In some embodiments, the display screen is fixed to the display screen rotating frame 5 through a telescopic structure. The display screen rotating frame 5 includes a receiving plate 4 and connecting rods at both ends thereof. The connecting rods are rotatably connected to the bracket 10. The telescopic structure includes two pairs of clamps 7 relatively arranged around the receiving plate 4, and the distance between the clamps 7 is adjustable.

[0025] In some embodiments, a slide groove is provided under the receiving plate 4 , and the clamping jaws 7 cooperate with the slide groove and can slide in the slide groove to achieve distance adjustment between the clamping jaws 7 .

[0026] In some embodiments, the clamping jaws 7 slide in the slide groove to move closer or farther away from each other, thereby adjusting the distance between the clamping jaws 7 and clamping display screens of different sizes.

[0027] In some embodiments, the display screen rotating frame 5 is installed on the rotating platform 2 through a bracket 10, and the bracket 10 includes two columns 11 perpendicular to the rotating platform 2 and a rotating shaft 9 connected to the columns 11, and both ends of the rotating shaft 9 pass through the axial holes on the top of the columns 11 and can rotate around the axial holes. The display screen rotation drive motor 6 is installed at one end of the rotating shaft to drive the rotating shaft to rotate.

[0028] In some embodiments, the fixture further includes a controller 8, the rotating platform drive motor 3 and the display screen rotation drive motor 6 are provided with a receiver, and the controller 8 controls the rotating platform drive motor 3 and the display screen rotation drive motor 6 through the receiver.

[0029] In some implementations, the controller 8 inputs a rotation angle to the receiver, and controls the rotating platform drive motor 3 and the display screen rotation drive motor 6 to rotate according to the input rotation angle.

[0030] It should be noted that, for the aforementioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should be aware that the present application is not limited by the described order of actions, because according to the present application, certain steps can be performed in other orders or simultaneously. Secondly, those skilled in the art should also be aware that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present application.

[0031] The above specific implementation methods further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above description is only the specific implementation method of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A display viewing angle test fixture, characterized in that: It includes a supporting base, a rotating platform, a rotating platform driving motor, a display screen rotating driving motor, a display screen rotating frame, and a bracket. The rotating platform is located on the supporting base. The rotating platform driving motor is arranged inside the supporting base and is electrically connected to the rotating platform on the supporting base, and is used to drive the rotating platform to rotate according to a set angle. The display screen is rotatingly mounted on the rotating platform, and the rotation of the display screen is achieved by driving the driving motor. The display screen is fixed to the display screen rotating frame by a telescopic device. The fixture adjusts the horizontal and vertical viewing angles of the display screen by the rotating platform driving motor and the display screen rotating driving motor.

2. A display viewing angle test fixture according to claim 1, characterized in that: The display screen is fixed to the display screen rotating frame through a telescopic structure. The display screen rotating frame includes a receiving plate and connecting rods at both ends thereof. The connecting rods are rotatably connected to the bracket. The telescopic structure includes two pairs of clamps relatively arranged around the receiving plate, and the distance between the clamps is adjustable.

3. A display viewing angle test fixture according to claim 2, characterized in that: A sliding groove is provided below the receiving plate, and the clamping jaws cooperate with the sliding groove and can slide in the sliding groove to achieve distance adjustment between the clamping jaws.

4. A display viewing angle test fixture according to claim 3, characterized in that: The clamping jaws can slide in the slide groove to get closer or farther away from each other, thereby adjusting the distance between the clamping jaws and clamping display screens of different sizes.

5. A display viewing angle test fixture according to claim 4, characterized in that: The display screen rotating frame is installed on the rotating platform through a bracket, and the bracket includes two columns perpendicular to the rotating platform and a rotating shaft connected to the columns. Both ends of the rotating shaft pass through the shaft holes on the top of the columns and can rotate around the shaft holes. The display screen rotation drive motor is installed at one end of the rotating shaft to drive the rotating shaft to rotate.

6. A display viewing angle test fixture according to claim 5, characterized in that: The fixture further includes a controller. The rotating platform driving motor and the display screen rotating driving motor are provided with receivers. The controller controls the rotating platform driving motor and the display screen rotating driving motor through the receiver.

7. A display viewing angle test fixture according to claim 6, characterized in that: The controller inputs a rotation angle to the receiver, and controls the rotating platform driving motor and the display screen rotating driving motor to rotate according to the input rotation angle.

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