CN112037673B

CN112037673B - Micro OLED head imaging source product framework

Info

Publication number: CN112037673B
Application number: CN202010975743.6A
Authority: CN
Inventors: 吴冲; 郭高峰; 黄坤; 黄亚坤; 王珊
Original assignee: AVIC Huadong Photoelectric Co Ltd
Current assignee: AVIC Huadong Photoelectric Co Ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2022-07-15
Anticipated expiration: 2040-09-16
Also published as: CN112037673A

Abstract

The invention discloses a micro OLED head imaging source product framework, which comprises: the shell is internally provided with a cavity; the front end of the cavity is provided with an OLED display screen, the rear end of the cavity is provided with a driving circuit board, the OLED display screen is electrically connected to the driving circuit board, and the front end of the shell is provided with a window for displaying the OLED display screen; the driving circuit board is electrically connected with a flexible connecting band, one section of the flexible connecting band, which is far away from the driving circuit board, penetrates through the shell to extend outwards and is connected with a user connector, and a plurality of connecting holes are further formed in the outer side of the shell. The micro OLED head imaging source product framework realizes light weight and simplified design of the product, the product integration level is high, the framework is simpler, the product appearance design meets the human-computer effect, and the product assembly and the practical application are simpler and more convenient.

Description

Micro OLED head imaging source product framework

Technical Field

The invention relates to a micro OLED head imaging source product framework.

Background

The miniature display is a miniature display product which is fixedly connected to a helmet or worn on a human body and generates a visual image for a user. The display device has the advantages of high display resolution, small volume, light weight, low power consumption and the like, and has a wide application range. According to market application requirements, low power consumption is a strong driving force for the rapid growth of micro-displays. Compared with other liquid crystal display products, the OLED display product has the characteristics of active light emitting, high light emitting efficiency, low power consumption, light weight, small volume, high integration level and the like, and is the development and research direction of micro display products. The OLED head display source is one of miniature displays and has all elements of the miniature displays.

In the field of helmet display, a head display image source is the most core component of a head display system for completing photoelectric information conversion, and a stable and reliable image source is provided for the head display system. With the continuous revolution of display technology, the development direction of the helmet display system will show the trend of integration and light-weight. In view of the practical application of helmets when worn by a human body, users expect that the weight of the helmet display product should be as light as possible to enhance the wearing comfort of the user. The neck discomfort of the user caused by the heavy weight of the head display system is a common problem of the active helmet. Considering the actual use function requirement of the helmet display system and the requirement of the strength of the helmet, a more concise design scheme of the helmet display system is adopted to reduce the weight of the helmet. The lightweight head portrait image source product structural design and the simple image source architecture design can effectively reduce the overall weight of the head display system.

Currently, the structure of most head display sources is composed of a display head assembly 1 and a display driving assembly 6. The two components are connected by a flexible connecting belt 2. As shown in fig. 11, in the conventional solution in the prior art, the head image source structure of the conventional solution has a thick and heavy appearance, the system architecture design is complex, the weight of the display driving component at the rear end is equivalent to that at the front end, and the weight of the whole product is more than 60 g.

Disclosure of Invention

The invention aims to provide a micro OLED head imaging source product framework, which realizes light weight and simplified design of products, has high product integration level and simpler framework, meets the human-computer effect of product appearance design, and is simpler and more convenient to assemble and practically apply.

In order to achieve the above object, the present invention provides a micro OLED head imaging source product architecture, which includes: the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed in the shell; the front end of the cavity is provided with an OLED display screen, the rear end of the cavity is provided with a driving circuit board, the OLED display screen is electrically connected to the driving circuit board, and the front end of the shell is provided with a window for displaying the OLED display screen; the flexible connecting band is electrically connected with the driving circuit board, one section of the flexible connecting band, which is far away from the driving circuit board, penetrates through the shell and extends outwards to be connected with a user connector, and a plurality of connecting holes are further formed in the outer side of the shell.

Preferably, the housing comprises: main frame, protective panel and back lid cover respectively fit the front end and the rear end of main frame, protective panel and back lid enclose to close in order to form the cavity, the window set up in on the protective panel, cover after and be formed with and be used for the hole that passes is crossed to the flexible connecting band.

Preferably, a first step groove is formed on the inner side of the front end of the main frame, and the guard panel is clamped in the step groove.

Preferably, the periphery of the protection panel is provided with a sealing ring with an L-shaped cross section, one side of the sealing ring extends towards the driving circuit board, and the other side extends towards the outside along a direction parallel to the radial direction of the protection panel.

Preferably, the outer side of the shell extends outwards to form an annular assembling plate, the connecting holes are arranged in the circumferential direction of the assembling plate at equal intervals, and the front end face of the assembling plate is flush with the outer side face of the protection panel.

Preferably, the front end of main frame is formed with first fixed groove of stepping down, the rear end of main frame is formed with the fixed groove of stepping down of second, the OLED display screen install in the first fixed groove of stepping down, dirver circuit board install in the fixed inslot of stepping down of second.

Preferably, each corner position in the fixed groove of stepping down of second is formed with the screw hole, the inboard of back lid with the screw hole one-to-one is provided with a plurality of fixed benches, be provided with on the fixed bench with the screw fixed orifices that the screw hole corresponds.

Preferably, a middle portion of the rear cover is outwardly protruded such that a convex groove is formed at an inner portion of the rear cover.

According to the technical scheme, the front end of the cavity is provided with the OLED display screen, the rear end of the cavity is provided with the driving circuit board, the OLED display screen is electrically connected to the driving circuit board, and the front end of the shell is provided with the window for displaying the OLED display screen; the flexible connecting band is electrically connected to the driving circuit board, one section of the flexible connecting band, which is far away from the driving circuit board, penetrates through the shell and extends outwards to be connected with a user connector, and a plurality of connecting holes are further formed in the outer side of the shell. Through the arrangement, the problems that the weight of a head imaging source product is heavy, the appearance is large, and the product architecture is too complex are solved, the overall weight of the product can be effectively reduced, the simplified product architecture and the miniaturized product appearance are reduced, the product assembly space requirement is reduced, and the product application range is widened.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is an overall structure diagram of a micro OLED head image source product architecture according to the present invention;

FIG. 2 is a schematic cross-sectional view showing a preferred embodiment of the head assembly;

FIG. 3 is a schematic outside view of a preferred embodiment of the back cover;

FIG. 4 is a schematic inside view of a preferred embodiment of the back cover;

FIG. 5 is a schematic view of a preferred embodiment of the front face of the main frame;

FIG. 6 is a schematic view of a preferred embodiment of the rear end face of the main frame;

FIG. 7 is a front view of FIG. 1;

FIG. 8 is a left side view of FIG. 1;

FIG. 9 is a right side view of FIG. 1;

FIG. 10 is a schematic exterior view of a preferred embodiment of a protective panel;

fig. 11 is a schematic diagram of a head display source product architecture in the prior art.

Description of the reference numerals

1 display head Assembly 2 Flexible connection band

3 user connector 4 fastening screw

5 sealing ring 6 display driving assembly

11 main frame 12 protective panel

13OLED display screen 14 drive circuit board

15 first fixed groove of stepping down of back lid 111

112 step groove 113 second fixed abdicating groove

114 screw hole 115 connection hole

151 screw fixing hole 152 fixing rack

153 through the hole

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are given by way of illustration and explanation only, not limitation.

In the present invention, unless otherwise specified, the terms "upper, lower, top, bottom, far, near, side," and the like included in the terms simply represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.

Referring to fig. 1-10, a micro OLED head imaging source product architecture includes: the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed in the shell; the front end of the cavity is provided with an OLED display screen 13, the rear end of the cavity is provided with a driving circuit board 14, the OLED display screen 13 is electrically connected to the driving circuit board 14, and the front end of the shell is provided with a window for displaying the OLED display screen 13; the driving circuit board 14 is electrically connected with a flexible connecting band 2, a section of the flexible connecting band 2 far away from the driving circuit board 14 penetrates through the shell to extend outwards and is connected with a user connector 3, and a plurality of connecting holes 115 are further arranged on the outer side of the shell.

Through the implementation of the technical scheme, the problems that the weight of a head display source product is heavy, the appearance is large, and the product architecture is too complex are solved, the overall weight of the product can be effectively reduced, the simplified product architecture and the miniaturized product appearance are simplified, the requirement on the product assembly space is reduced, and the product application range is widened. If the housing structure of the display driving assembly 6 is omitted, the flexible connecting band 2 can be made narrower and lighter due to the integration of the driving circuit board 14 in the display head assembly 1, and the weight and volume of the whole product are reduced. The flexible connecting belt 2 is designed into a narrow-band-shaped and flat flexible connecting belt 2, and is connected with the driving circuit board 14 and the user connector 3 to realize the electrical connection of products. The flat flexible connecting belt 2 has smaller space requirement, generally has the thickness not more than 1mm, and is more suitable for the connection, installation and fixation of helmet display products.

In this embodiment, in order to further provide a housing structure of the display head assembly 1, it is preferable that the housing includes: main frame 11, protective panel 12 and back lid 15 cover respectively fit the front end and the rear end of main frame 11, protective panel 12 and back lid 15 enclose to close in order to form the cavity, the window set up in on the protective panel 12, be formed with on the back lid 15 and be used for the hole 153 that passes of flexonics area 2. The appearance design of the main frame 11 is related to the self-assembly requirements of products, the appearance of the main frame 11 can be designed according to the requirements of user protocols, the internal supporting structure can be designed according to the appearance of the OLED display screen 13, and the lap joint position of the driving circuit board 14 is designed, so that the driving circuit board 14 can be fixed conveniently.

In this embodiment, in order to further facilitate the positioning and installation of the protective panel 12, it is preferable that a first stepped groove 112 is formed inside the front end of the main frame 11, and the protective panel 12 is engaged with the stepped groove 112.

In this embodiment, in order to increase the sealing performance, it is preferable that the peripheral edge of the protection panel 12 is provided with a sealing ring 5 having an L-shaped cross section, and one side of the sealing ring 5 extends toward the driving circuit board 14 and the other side extends outward in a direction parallel to the radial direction of the protection panel 12. After the protection panel 12 is assembled to the step groove 112, a sealing groove is formed between the outer side of the sealing ring 5 and the side wall of the cavity, and a sealing strip can be embedded in the sealing groove to realize the effect of sealing reinforcement. The protection panel 12 is fixed to the front end of the main frame 11 by means of silicon rubber reinforcement.

In this embodiment, in order to further facilitate the connection and assembly of the housing with the outside, it is preferable that the outer side of the housing is outwardly extended with an annular assembly plate, the connection holes 115 are provided in plurality at equal intervals in the circumferential direction of the assembly plate, and the front end surface of the assembly plate is flush with the outer side surface of the protection panel 12.

In this embodiment, in order to make the installation of the driving circuit board 14 and the OLED display 13 more stable and compact, preferably, the front end of the main frame 11 is formed with a first fixed abdicating groove 111, the rear end of the main frame 11 is formed with a second fixed abdicating groove 113, the OLED display 13 is installed in the first fixed abdicating groove 111, and the driving circuit board 14 is installed in the second fixed abdicating groove 113.

In this embodiment, in order to further provide a mounting manner of the rear cover 15, it is preferable that a screw hole 114 is formed at each corner position of the second fixing abdicating groove 113, a plurality of fixing stands 152 are provided on the inner side of the rear cover 15 in one-to-one correspondence with the screw holes 114, and a screw fixing hole 151 corresponding to the screw hole 114 is provided on the fixing stand 152. The rear cover 15 is fixed by using the fastening screw 4 to pass through the screw fixing hole 151 and then to be mounted in the screw hole 114.

In this embodiment, preferably, a middle portion of the rear cover 15 is outwardly protruded such that a convex groove is formed at an inner portion of the rear cover 15. The rear cover 15 needs to ensure that each device of the driving circuit board 14 has sufficient yielding space, and can also play a more effective protection role for the internal structure through the arrangement of the middle part protruding outwards, and certainly, the middle part protruding outwards of the rear cover 15 needs to meet the requirement of installation in the helmet.

The actual appearance of the invention is directly related to the self-demand of the product, and can be correspondingly improved according to the demand of the user. The invention has the main characteristics of high realization degree and wide application range, and has wide application prospect in the fields of cockpit display and helmet display.

The main advantages of the invention are:

1. the invention realizes the light weight and simplified design of the product, the product integration level is high, the framework is simpler, the product appearance design meets the human-computer efficacy, and the product assembly and the practical application are simpler and more convenient.

2. The weight of the product can be far lower than the conventional design weight, the weight in the application example is only about 15g, and is only 1/4 of the conventional design, the appearance size is much smaller than that of the conventional design, and the application range is wider. The lightweight design of the invention is greatly helpful for reducing the whole weight of the helmet display system.

The embodiment is just one design state of the present invention, and the present invention can be extended or modified according to the needs of the product itself, such as reducing or increasing the outer shape of the main frame 11, changing the outer shape and size of the rear cover 15, etc. It should be noted that all modifications should be made with priority to meet the actual use requirements.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

Claims

1. A micro OLED head image source product architecture is characterized by comprising: the device comprises a shell, a first fixing piece and a second fixing piece, wherein a cavity is formed in the shell; wherein the content of the first and second substances,

the front end of the cavity is provided with an OLED display screen (13), the rear end of the cavity is provided with a driving circuit board (14), the OLED display screen (13) is electrically connected to the driving circuit board (14), and the front end of the shell is provided with a window for displaying the OLED display screen (13);

the driving circuit board (14) is electrically connected with a flexible connecting band (2), one section of the flexible connecting band (2) far away from the driving circuit board (14) penetrates through the shell to extend outwards and is connected with a user connector (3), and a plurality of connecting holes (115) are formed in the outer side of the shell;

the housing includes: the protective cover comprises a main frame (11), a protective panel (12) and a rear cover (15), wherein the protective panel (12) and the rear cover (15) cover the front end and the rear end of the main frame (11) respectively, the main frame (11), the protective panel (12) and the rear cover (15) enclose to form a cavity, the window is arranged on the protective panel (12), and a through hole (153) for the flexible connecting belt (2) to pass through is formed in the rear cover (15);

a first-order step groove (112) is formed in the inner side of the front end of the main frame (11), and the protective panel (12) is clamped in the step groove (112);

the periphery of the protection panel (12) is provided with a sealing ring (5) with an L-shaped section, one side of the sealing ring (5) extends towards the direction of the driving circuit board (14), and the other side extends outwards along the radial direction parallel to the protection panel (12).

2. The architecture as claimed in claim 1, wherein an annular assembly plate is formed on the outer side of the housing, the connection holes (115) are disposed at equal intervals along the circumferential direction of the assembly plate, and the front end surface of the assembly plate is flush with the outer side surface of the protection panel (12).

3. The architecture of claim 1, wherein a first fixed slot (111) is formed at the front end of the main frame (11), a second fixed slot (113) is formed at the rear end of the main frame (11), the OLED display screen (13) is installed in the first fixed slot (111), and the driving circuit board (14) is installed in the second fixed slot (113).

4. The architecture as claimed in claim 3, wherein a threaded hole (114) is formed at each corner of the second fixing abdicating groove (113), a plurality of fixing racks (152) are disposed on the inner side of the rear cover (15) corresponding to the threaded holes (114), and a screw fixing hole (151) corresponding to the threaded hole (114) is disposed on the fixing rack (152).

5. The architecture as claimed in claim 1, wherein the middle of the rear cover (15) is protruded outward to form a convex groove inside the rear cover (15).