CN219609341U

CN219609341U - Hand-held device

Info

Publication number: CN219609341U
Application number: CN202321242114.8U
Authority: CN
Inventors: 陈永泽; 吴志勇; 霍紫健
Original assignee: Shenzhen Hengtian Weiyan Technology Co ltd
Current assignee: Shenzhen Hengtian Weiyan Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-08-29
Anticipated expiration: 2033-05-19

Abstract

The utility model relates to the technical field of outdoor handheld devices, in particular to a handheld device. The handheld device comprises a shell, an objective lens, an ocular, a luminous piece and an optical component, wherein a visual channel and a projection channel which are communicated at an acute angle are arranged in the shell to obliquely compress the light-emitting stroke of the luminous piece, so that the light-emitting of the luminous piece in the projection bin is led out to an imaging surface of the ocular by multiple reflection, and the volume of the device can be smaller. The luminous piece is a micro light emitting diode display, the micro light emitting diode display can support higher brightness, wider color gamut and lower power consumption, the handheld device can clearly see the projection content of the luminous piece in an outdoor strong light environment, the high-density integrated LED array of the micro light emitting diode display can replace a backlight plate of a traditional liquid crystal display screen, the problem of burning of the handheld device is relieved, and the problems of high heating, projection brightness and device volume of the handheld device in a strong light use environment are relatively balanced.

Description

Hand-held device

Technical Field

The utility model relates to the technical field of outdoor handheld devices, in particular to a handheld device.

Background

In the related art, the eyepiece pattern display modes with the visual function are mainly divided into two types, namely a transmission type technology display mode and a projection type technology display mode, wherein the projection type display mode comprises a strong backlight type LCD projection mode and an amoled projection mode.

The transparent display mode is to add transparent segment type liquid crystal in the ocular lens, and to display the fixed position and fixed shape pattern in the prescribed time point by the short time liquid crystal driving system. The light rays which are represented by the LCD liquid crystal through the strong backlight plate are projected into the ocular lens system through the optical projection system, and colorful and various images can be displayed in the ocular lens system, but the problem of severe scalding exists due to the backlight intensity. Amoled projection is to project pattern light displayed by Amoled into an eyepiece system through an optical projection system, so that colorful and diverse images can be displayed in the eyepiece system, however, since Amoled brightness (luminance) is generally less than 500, the projector can only be applied to indoor environments.

The handheld device has the requirements of small volume and portability, under the outdoor environment, the outdoor high-intensity light can influence the projection display brightness to be insufficient, the display content can not be seen clearly, and the technical problems that the high heating of the strong backlight, the projection brightness and the device volume are difficult to balance exist in the handheld device by the projection mode.

Disclosure of Invention

The utility model mainly aims to provide a handheld device, which aims to solve the technical problems that the handheld device has high heating, projection brightness and device volume are difficult to balance in an outdoor strong light environment.

To achieve the above object, the present utility model provides a handheld device, including:

the device comprises a shell, a projection device and a control device, wherein the shell is provided with a projection bin, a projection channel and a visual channel which are sequentially communicated, and the visual channel and the projection channel are arranged at an acute angle;

the objective lens is arranged at one end of the visual channel;

the ocular lens is arranged at the other end of the visual channel, and the joint of the projection channel and the visual channel is positioned between the ocular lens and the ocular lens;

the light-emitting piece is arranged at one end of the projection bin, is a micro light-emitting diode display and emits light towards the junction of the projection channel and the projection bin; and

The optical component is arranged in the projection channel to transmit the light emitted by the light emitting piece to the imaging surface of the ocular lens.

Optionally, a fixing part is convexly arranged on the inner wall of the projection bin, and the fixing part is provided with a light outlet;

the luminous piece is detachably clamped in the fixing part, and the luminous piece emits light from the light emitting opening.

Optionally, the optical assembly includes:

the reflecting piece is arranged at the junction of the projection bin and the projection channel, and the plane where the reflecting piece is positioned and the light-emitting path of the light-emitting piece form an included angle; and

the light guide assembly is arranged in the projection channel at one end, and the other end of the light guide assembly extends into the visual channel and is positioned between the objective lens and the ocular lens.

Optionally, the light guide assembly includes:

the roof prism is arranged in the visual channel; and

and the gluing prism is arranged at one end of the projection channel, which is far away from the reflecting piece, and is bonded with the roof prism.

Optionally, a limiting table top is arranged on the inner wall of the visual channel, and two connected side edges of the roof prism are abutted to the limiting table top.

Optionally, the handheld device further includes a light diffusing component, where the light diffusing component is disposed in the projection channel and located between the light guiding component and the reflecting element;

the light scattering component is used for dispersing the light beam reflected by the reflecting piece to be transmitted to the light guiding component.

Optionally, a connecting part is arranged in the shell, and the light scattering component comprises:

the mounting cylinder is detachably connected with the connecting part; and

at least one dispersing piece is arranged in the mounting cylinder, and at least one dispersing piece is detachably assembled with the mounting cylinder.

Optionally, the handheld device includes a conductive element, where the conductive element is disposed in the projection bin and is located on the light emitting path of the light emitting element, and the conductive element is disposed at an interval from the optical component.

Optionally, the conductive member is made of transparent material.

Optionally, the light emitting element is a two-color switching display;

and/or the highest brightness of the luminous element can reach 16000cd/m ² 。

The handheld device comprises a shell, an objective lens, an ocular, a luminous piece and an optical component, wherein a visual channel and a projection channel which are communicated in an acute angle are arranged in the shell so as to obliquely compress the light-emitting stroke of the luminous piece, so that the light-emitting of the luminous piece in the projection bin is reflected for multiple times and guided out to an imaging surface of the ocular, and the volume of the handheld device can be made smaller as much as possible. The luminous piece is a micro light emitting diode display, the micro light emitting diode display can support higher brightness, wider color gamut and lower power consumption, the handheld device can clearly see the projection content of the luminous piece in an outdoor strong light environment, the high-density integrated LED array of the micro light emitting diode display can replace a backlight plate of a traditional liquid crystal display screen, the problem of burning of the handheld device is relieved, and the problems of high heating, projection brightness and device volume of the handheld device in a strong light use environment are relatively balanced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a handheld device according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of a handheld device according to an embodiment of the present utility model;

FIG. 3 is an enlarged exploded view of the portion Q of FIG. 2;

fig. 4 is a schematic view of a projection path of an embodiment of the handheld device of the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The transparent display mode is to add transparent segment type liquid crystal in the ocular lens, and to display the fixed position and fixed shape pattern in the prescribed time point by the short time liquid crystal driving system.

The light rays which are represented by the LCD liquid crystal through the strong backlight plate are projected into the ocular lens system through the optical projection system, and colorful and various images can be displayed in the ocular lens system, but the problem of severe scalding exists due to the backlight intensity.

Amoled projection is to project pattern light displayed by Amoled into an eyepiece system through an optical projection system, so that colorful and diverse images can be displayed in the eyepiece system, however, since Amoled brightness (luminance) is generally less than 500, the projector can only be applied to indoor environments.

The present utility model proposes a handheld device 100.

Referring to fig. 1 to 4, fig. 1 is a schematic perspective view of a handheld device 100 according to an embodiment of the present utility model; FIG. 2 is a schematic cross-sectional elevation view of a handheld device 100 according to an embodiment of the present utility model; FIG. 3 is an enlarged exploded view of the portion Q of FIG. 2; fig. 4 is a schematic view of a projection path of an embodiment of the handheld device 100 of the present utility model.

In the embodiment of the present utility model, the handheld device 100 includes a housing 10, an objective lens 30, an eyepiece 50, a light emitting element 70 and an optical component 90, as shown in fig. 1 to 2, the housing 10 is provided with a projection bin 10B, a projection channel 10C and a visual channel 10A, which are sequentially communicated, and the visual channel 10A and the projection channel 10C are disposed at an acute angle; the objective lens 30 is arranged at one end of the visual channel 10A, the objective lens 30 is arranged at the other end of the visual channel 10A, and the joint of the projection channel 10C and the visual channel 10A is positioned between the objective lens 30 and the ocular lens 50; the light emitting piece 70 is arranged at one end of the projection bin 10B, the light emitting piece 70 is a micro light emitting diode display, and the light emitting piece 70 emits light towards the junction of the projection channel 10C and the projection bin 10B; the optical assembly 90 is disposed in the projection channel 10C to transmit the light emitted from the light emitting element 70 to the imaging surface of the eyepiece 50.

The handheld device 100 according to the technical scheme of the present utility model includes a housing 10, an objective lens 30, an eyepiece 50, a light emitting element 70, and an optical component 90, and by arranging a visual channel 10A and a projection channel 10C in the housing 10, which are in acute angle communication, the light emitting path of the light emitting element 70 is obliquely compressed, so that the light emitted by the light emitting element 70 in the projection bin 10B is reflected and guided to the imaging surface of the eyepiece 50 for multiple times, and the volume of the handheld device 100 can be made smaller as much as possible. The light emitting member 70 is a micro light emitting diode display, which can support higher brightness, wider color gamut and lower power consumption, and the highlight enables the handheld device 100 to clearly see the projection content of the light emitting member 70 in an outdoor strong light environment, and the micro light emitting diode display has a high-density integrated LED array which can replace a backlight plate of a traditional liquid crystal display screen, so that the problem of burning of the handheld device 100 is relieved, and the problems of high heat generation, projection brightness and device volume of the handheld device 100 in a strong light use environment are relatively balanced.

It can be understood that the projection channel 10C and the visual channel 10A are disposed at an acute angle, the visual channel 10A is taken as a main axis, the connection between the visual channel 10A and the projection channel 10C is taken as an origin, a rectangular coordinate system can be generated by the origin and the main axis and a perpendicular to the main axis, and the projection channel 10C is disposed at a third quadrant of the rectangular coordinate system, so that the projection channel 10C and the visual direction of the visual channel 10A are disposed at an acute angle.

It is understood that the handheld device 100 of the present utility model may be a visualizable device such as a telescope, rangefinder, or the like. The hand-held device 100 of the present utility model utilizes the self-luminous characteristics of the micro light emitting diode display, that is, the micro LEDs, and particularly utilizes the characteristics of the self-luminous LED array with high density integration thereof to project the image information of the micro LEDs into the eyepiece 50 system through the conventional optical projection system, and the conventional optical projection system can refer to the conventional optical projection system in the hand-held range finder, so that the projection principle will not be repeated here.

It can be understood that the micro led can also support a higher dynamic range and a wider color gamut, and can realize a faster updating speed and a wider visual angle, and the display pattern of the micro led can realize custom animation display, so that the animation displayed on the micro led can be mixed with the mirror image of the actual object from the objective lens 30 through the optical projection system to form a new imaging effect, so as to achieve the display effect of displaying the custom pattern and the custom position in the eyepiece 50 system.

Further, the handheld device 100 may further include an LCD display screen disposed between the optical assembly 90 and the eyepiece 50, wherein the LCD display screen is transparent to ensure the light transmission intensity in the visual channel 10A.

It will be appreciated that the handheld device 100 of the present utility model may or may not be provided with an LCD display, and that a barrier glass that blocks light transmission is reduced without being provided, thereby increasing the light transmittance of the optical system.

Optionally, the light emitting member 70 is a two-color switching display; and/or the highest luminance of the light emitting member 70 may reach 16000cd/m2.

In this embodiment, the light emitting member 70 may be a single-color display or a dual-color switching display. The light 70 is MicroLED, microLED and may be a high brightness micro-monochrome red, monochrome green or red-green dual color display. The illuminance under outdoor strong light can reach 150Klm, and the projection brightness (luminance) of the traditional amoled projection mode is generally less than 500cd/m2, so that the method can only be applied to indoor environments. The highest brightness (lunmini) of the micro led display can reach 16000cd/m2, so that the projection visibility is improved, and the characteristic of the self-luminous micro led array integrated at high density can reduce the burn-in, so that the micro led display is very suitable for the handheld device 100 to be used in an outdoor environment.

It can be understood that, to improve the compactness and rationality of the spatial layout in the handheld device 100, the light emitting direction of the projection cabin 10B and the extending direction of the projection channel 10C are also disposed at an included angle, and disposed at an acute angle, the light emitting element 70 is located at one end of the optical component 90 away from the eyepiece 50, and the light emitted from the light emitting element 70 is guided to the eyepiece 50 through the optical component 90 and exits, so that the spatial layout of the projection cabin 10B and the projection channel 10C is more compact, which is beneficial to reducing the volume of the handheld device 100.

Optionally, a fixing part 11 is convexly arranged on the inner wall of the projection bin 10B, and the fixing part 11 is provided with a light outlet 11A; the light emitting member 70 is detachably clamped in the fixing portion 11, and the light emitting member 70 emits light from the light emitting opening 11A.

In this embodiment, the fixing portion 11 is located at one end of the projection chamber 10B away from the projection channel 10C, and is disposed on the inner wall of the projection chamber 10B. The fixing part 11 can be two L-shaped clamping blocks arranged on the inner wall of the projection bin 10B, and a light outlet 11A is formed by surrounding the two L-shaped clamping blocks; the fixing portion 11 may also be an elastic clip that is movably disposed, and the elastic clip detachably assembles the light emitting member 70 and the projection bin 10B, so as to facilitate replacement of the light emitting member 70 or the fixing portion 11.

Optionally, the optical assembly 90 includes a reflecting element 91 and a light guiding assembly 92, the reflecting element 91 is disposed at the junction of the projection bin 10B and the projection channel 10C, and the plane on which the reflecting element 91 is disposed forms an included angle with the light emitting path of the light emitting element 70; one end of the light guide assembly 92 is disposed in the projection channel 10C, and the other end of the light guide assembly 92 extends into the visual channel 10A and is located between the objective lens 30 and the eyepiece 50.

In this embodiment, the reflecting member 91 is a full-face mirror, and the full-face mirror is configured to reflect the light emitted from the light emitting member 70 to the extending direction of the projection channel 10C, so that the reflected light can reach the inside of the visual channel 10A. The light guide assembly 92 can emit the reflected light toward the eyepiece 50 after multiple reflections, so that the animation displayed on the micro led and the actual object image from the objective lens 30 are mixed and imaged to the human eye 1000, or the animation displayed on the micro led is imaged to the LCD display screen, and the actual object image from the objective lens 30 is imaged to the human eye 1000, so that the human eye 1000 can see the animation and the actual object to be measured at the same time.

Optionally, the light guiding assembly 92 includes a roof prism 921 and a glue prism 922, the roof prism 921 being disposed within the visual channel 10A; the glue prism 922 is provided at an end of the projection channel 10C remote from the reflecting member 91, and the glue prism 922 is bonded to the roof prism 921. The roof prism 921 and the glue prism 922 are commonly used in projection optics or ranging optics, and a specific light transmission path is shown with reference to fig. 2 to 3.

Optionally, the inner wall of the visual channel 10A is provided with a limiting table 12, and two sides connected with the roof prism 921 are abutted against the limiting table 12.

In this embodiment, the gluing prism 922 is disposed in the projection channel 10C and limited to the projection channel 10C, the inner wall of the visual channel 10A is provided with an installation position corresponding to the light guide assembly 92, the roof prism 921 has a corner angle perpendicular to each other, the inner wall of the visual channel 10A is provided with a limiting table 12, the limiting table 12 is two step surfaces perpendicular to each other, the right-angle corner angle of the roof prism 921 is limited by the two step surface decibels in an abutting manner, the opposite-side corner angle of the roof prism 921 is limited by the gluing prism 922, and the assembly stability of the light guide assembly 92 in the visual channel 10A is improved, so that the light path transmission is stable, and the projection picture effect is stable.

As shown in fig. 3 and 4, the handheld device 100 further includes an optical diffusing element 20, where the optical diffusing element 20 is disposed in the projection channel 10C and is located between the light guiding element 92 and the reflecting element 91; the light diffusing component 20 is used for dispersing the light beam reflected by the reflecting element 91 for transmission to the light guiding component 92.

In this embodiment, the light diffusing component 20 is used to disperse light, the light diffusing component 20 is disposed in the projection channel 10C and between the light guiding component 92 and the reflecting element 91, so that the light beam reflected by the micro led after being reflected by the reflecting element 91 is dispersed into a light beam with a wider transmission area, which is convenient for the light beam to be fully reflected in the light guiding component 92 to a section of the visual channel 10A facing the eyepiece 50, and the projection animation display area is increased, so that the projection is clear.

Optionally, the housing 10 is provided with a connecting portion 13, and the light diffusing component 20 includes a mounting cylinder 21 and at least one dispersing element 22, where the mounting cylinder 21 is detachably connected with the connecting portion 13; at least one dispersing member 22 is disposed within the mounting cylinder 21 and is removably mounted to the mounting cylinder 21.

In this embodiment, a connecting portion 13 is disposed on a channel wall of the housing 10 corresponding to the projection channel 10C, and the connecting portion 13 may be a clamping groove or a buckle and is in clamping fit with the mounting cylinder 21, or may be a screw hole and is connected with the mounting cylinder 21 by a screw. The connecting portion 13 is detachably connected to the mounting cylinder 21, and the mounting cylinder 21 is also detachably connected to the at least one dispersing element 22, so as to increase or decrease or replace the number of dispersing elements 22, thereby facilitating assembly or maintenance.

In one embodiment, the number of the dispersing members 22 is multiple, and may be multiple convex lenses or curved astigmatic lenses with different shapes, which are selectively assembled according to the specific optical transmission requirement, without being limited solely.

Optionally, the handheld device 100 further includes a conductive element 40, where the conductive element 40 is disposed in the projection chamber 10B and is located on the light emitting path of the light emitting element 70, and the conductive element 40 is spaced from the optical component 90.

In this embodiment, the conducting member 40 is located in the projection bin 10B and extends to the junction of the projection bin 10B and the projection channel 10C, and the conducting member 40 may be a triangular pyramid light guide column or a light guide column adapted to the peripheral shape of the light emitting member 70, so that the light guide effect is good, and the number of light beams emitted from the light emitting member 70 and conducted to the position of the full-face reflector can be increased. In another embodiment, the outer peripheral wall of the conductive member 40 is coated with a reflective material, so that more light emitted from the light emitting member 70 is totally reflected to the full-reflection mirror, reflected and emitted after being reflected by the light guiding component 92 for multiple times, and the brightness of the projection image is improved.

Optionally, the conductive element 40 is transparent.

In this embodiment, the conductive material 40 is made of a transparent material, and may be made of a transparent polymer resin material or a glass material having good light transmittance.

Further, the eyepiece 50 and the objective lens 30 are lens modules respectively, each comprising at least one lens, specifically referring to the eyepiece 50 and the lens arrangement of the telescope or range finder.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A handheld device, the handheld device comprising:

the objective lens is arranged at one end of the visual channel;

2. The handheld device of claim 1, wherein the inner wall of the projection bin is convexly provided with a fixing part, and the fixing part is provided with a light outlet;

3. The handheld device of claim 1, wherein the optical assembly comprises:

4. The handheld device of claim 3, wherein the light guide assembly comprises:

the roof prism is arranged in the visual channel; and

5. The hand-held device of claim 4, wherein the inner wall of the visual channel is provided with a limiting table, and two sides of the roof prism connected with the limiting table are abutted against the limiting table.

6. The handheld device of claim 3, further comprising a light diffusing component disposed within the projection channel and between the light guide component and the reflector;

7. The hand-held device of claim 6, wherein a connection is provided in the housing, the light diffusing component comprising:

the mounting cylinder is detachably connected with the connecting part; and

8. The handheld device of claim 1, comprising a conductive member disposed in the projection chamber and positioned in the light exit path of the light emitting member, the conductive member being spaced from the optical assembly.

9. The handheld device of claim 8, wherein the conductive element is a transparent material.

10. The hand-held device of any one of claims 1 to 9, wherein the lighting element is a two-color switching display;