CN103364954B - A kind of head-mounted display and the manufacture method of a kind of head-mounted display - Google Patents

Abstract

The invention discloses a kind of head-mounted display and the manufacture method of a kind of head-mounted display.Described head-mounted display includes: eyepiece and the flexible OLED display of shape in curved surface；Wherein, the curved surface of described OLED display screen is that the curvature of field with described eyepiece matches.The technical scheme that the present invention provides can solve the problem that the problem that head-mounted display of the prior art exists, due to eyepiece, the image analysis ability that the curvature of field causes.

Description

Head-mounted display and manufacturing method of head-mounted display

technical field

The invention relates to the technical field of manufacturing head-mounted displays, in particular to a head-mounted display and a method for manufacturing the head-mounted display.

Background technique

With the advancement of the technology industry, the requirements for the imaging photoelectric system are getting higher and higher. As an emerging technology in recent years, the head-mounted display has a good development prospect in the entertainment field. It will bring the current two-dimensional plane picture to the player in a more three-dimensional image, creating an immersive reality. feel. Following the entertainment industry, head-mounted displays will be widely used in industry, military, and literature and art with a new type of photoelectric display system.

FIG. 1 is a schematic diagram of an optical path of a head-mounted display in the prior art. As shown in FIG. 1 , the human eye 100 can observe an image formed on a straight flat panel display 101 through an eyepiece 102 . The existing head-mounted display is imaged on the corresponding straight flat panel display 101. In order to achieve a good imaging effect, the field curvature of the eyepiece 102 needs to be carefully designed so that there is no field curvature. In the existing head-mounted display, the eyepiece 102 has high precision requirements, which restricts the production cost of the head-mounted display. And if the design of the eyepiece 101 is not fine enough, when there is field curvature, the resolution ability for the image on the flat-panel display 101 is poor, and the image seen by the user may be partially blurred.

Contents of the invention

The present invention provides a method for manufacturing a head-mounted display and the head-mounted display to solve the problem that when the eyepiece of the head-mounted display has field curvature, the image resolution ability becomes poor, and the image seen by the user is blurred.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

The invention discloses a head-mounted display, which comprises: an eyepiece and a curved flexible OLED display; wherein, the curved surface of the OLED display matches the field curvature of the eyepiece.

In the above head-mounted display, the flexible OLED display includes: a curved support plate and a flexible OLED attached to the support plate.

The curved surface of the flexible OLED display in the above-mentioned head-mounted display is specifically:

A surface with an arcuate cross-section;

Or, a surface with a zigzag line in section;

Or, a surface with a wavy section;

Or, a face whose section is a polyline.

In the above head-mounted display, the head-mounted display is a monocular head-mounted display, including:

an eyepiece; and, a flexible OLED display that is curved to match the field curvature of the eyepiece.

In the above-mentioned head-mounted display, the head-mounted display is a binocular head-mounted display, comprising: a left-eye eyepiece; and, a curved left-eye flexible OLED display that matches the field curvature of the left-eye eyepiece; and, a right-eye eyepiece; and, a right-eye flexible OLED display that is curved to match the field curvature of the right-eye eyepiece.

The invention also discloses a method for manufacturing a head-mounted display, the method comprising: designing an eyepiece;

Measure the field of view focal plane of the field curvature of the eyepiece; make a flexible OLED display that is curved and the curved surface matches the focal plane of the field of view; use the eyepiece and the flexible OLED display as the head respectively Wear the magnifying part and the display part of the monitor.

In the above method, the fabrication is in the form of a curved surface, and the flexible OLED display that the curved surface matches the focal plane of the field of view includes:

Making a support plate in the form of a curved surface that matches the focal plane of the field of view; attaching a flexible OLED to the support plate.

In summary, the present invention provides a technical head-mounted display including an eyepiece; and a curved flexible OLED display; wherein, the curved surface of the OLED display matches the field curvature of the eyepiece. In the present invention, by using the bendable flexible OLED, the bendable angle of the flexible OLED can be adjusted according to the actual field curvature of the eyepiece, reducing the impact of the field curvature of the eyepiece in the head-mounted display on the resolution. Improved image quality for HMDs.

Description of drawings

Fig. 1 is a schematic diagram of an optical path of a head-mounted display in the prior art

Fig. 2 is a schematic diagram of the optical path of the head-mounted display in Embodiment 1 of the present invention;

Fig. 3 is a schematic diagram of the optical path of the head-mounted display in Embodiment 2 of the present invention;

Fig. 4 is a schematic diagram of the optical path of the head-mounted display in Embodiment 3 of the present invention;

Fig. 5 is a schematic diagram of the optical path of the head-mounted display in Embodiment 4 of the present invention;

Fig. 6 is a schematic diagram of the optical path of the head-mounted display in Embodiment 5 of the present invention;

Fig. 7 is a schematic diagram of the optical path of the head-mounted display in Embodiment 6 of the present invention;

Fig. 8 is a flow chart of a manufacturing method of a head-mounted display in the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

Fig. 2 is a schematic diagram of the optical path of the head-mounted display in Embodiment 1 of the present invention, as shown in Fig. 2,

The head-mounted display provided by the present invention includes: an eyepiece 202 and a curved flexible OLED display; wherein, the curved surface of the OLED display matches the field curvature of the eyepiece 202 .

As shown in FIG. 2 , the flexible OLED display includes: a curved support plate 204 and a flexible OLED 201 attached to the support plate 204 .

In the present invention, flexible OLED refers to flexible organic light-emitting diodes. Flexible OLEDs have self-illuminating characteristics, which use very thin organic material coatings and glass substrates. When current passes, these organic materials will emit light, and flexible The OLED screen can adjust the curved surface of the flexible OLED according to specific settings.

In the present invention, when there is field curvature in the eyepiece 202, the focal plane of the field of view is not a plane. If a straight panel display is used at this time, the part of the field of view that cannot be focused on the flat panel display will be blurred and unclear. However, in the present invention, a flexible OLED display screen that matches the actual focal plane of the field of view of the eyepiece with field curvature can be used, so that the focal point of the field of view of the eyepiece 202 can all fall on the flexible OLED display screen, so you can see clearly Image.

In a specific embodiment of the present invention, the field curvature of the eyepiece 202 does not need to be carefully designed when designing the eyepiece 202 , the core component of the head-mounted display. It is only necessary to process the curvature of field of the eyepiece 202 into a continuous arc-shaped change toward one side of the focal plane. After the design of the eyepiece 202 is completed, it will present an arc-shaped field curvature, and then connect the best image planes of the focal planes of each field of view in the field curvature to form the best image plane curve, and then adjust the image plane curve according to the image plane curve. The flexible OLED 201 is processed, that is, the supporting plate 204 in the matching flexible OLED display is processed according to the image plane curve, and then the flexible OLED is attached to the supporting plate 204 in an arc shape. Get the schematic diagram shown in Figure 2.

In other embodiments of the present invention, several more fields of view can be set during design, and then the best image plane curve can be fitted according to the number of fields of view. Then process the corresponding bearing board according to the curve, wherein, the bearing board 204 can be selected from lightweight and good plastic materials such as aluminum alloy; Compared with the head-mounted display shown in Figure 1, it has been greatly improved.

In other embodiments of the present invention, the curved surface of the flexible OLED display is specifically: a surface with an arc in section; or a surface with a zigzag line in section; or a surface with a wavy line in section; or a surface with a fold line in section etc. Of course, the repertoire of the flexible OLED display matches the field curvature of the eyepiece, so the repertoire of the flexible OLED display is not limited to the above-mentioned various shapes.

Fig. 3 is a schematic diagram of the optical path of the head-mounted display in Embodiment 2 of the present invention. As shown in Fig. 3, in this embodiment, the head-mounted display includes: an eyepiece 302, a flexible OLED display; wherein the flexible OLED display includes: Flexible OLED 301, a curved support plate 304

As shown in FIG. 3 , in this embodiment, since the focal plane of the eyepiece 302 is curved, the curved surface of the flexible OLED display is curved.

FIG. 4 is a schematic diagram of the optical path of the head-mounted display in Embodiment 3 of the present invention. As shown in FIG. 4 , in this embodiment, the head-mounted display includes: an eyepiece 402 and a flexible OLED display; wherein the flexible OLED display includes: Flexible OLED401, curved support plate 404

As shown in FIG. 4 , in this embodiment, since the focal plane of the eyepiece 402 is a trapezoidal surface (a surface with a trapezoidal fold line in cross section), the curved surface of the flexible OLED display is a trapezoidal surface.

FIG. 5 is a schematic diagram of the optical path of the head-mounted display in Embodiment 4 of the present invention. As shown in FIG. 5 , in this embodiment, the head-mounted display includes: an eyepiece 502 and a flexible OLED display; wherein the flexible OLED display includes: Flexible OLED501, a curved support plate 504

As shown in FIG. 5 , in this embodiment, since the focal plane of the eyepiece 502 is a broken-line surface (a surface with a broken-line cross section), the curved surface of the flexible OLED display is a broken-line surface.

FIG. 6 is a schematic diagram of the optical path of the head-mounted display in Embodiment 5 of the present invention. As shown in FIG. 6 , in this embodiment, the head-mounted display includes: an eyepiece 602 and a flexible OLED display; wherein the flexible OLED display includes: Flexible OLED601, curved support plate 604

As shown in FIG. 6 , in this embodiment, since the focal plane of the eyepiece 502 is an irregular wavy surface (a surface with an irregular wavy line in section), the curved surface of the flexible OLED display is an irregular wavy surface.

FIG. 7 is a schematic diagram of the optical path of the head-mounted display in Embodiment 6 of the present invention. As shown in FIG. 7 , in this embodiment, the head-mounted display includes: an eyepiece 702 and a flexible OLED display; wherein the flexible OLED display includes: Flexible OLED701, curved support plate 704

As shown in FIG. 7 , in this embodiment, since the focal plane of the eyepiece 502 is a wavy surface (a surface with a wavy cross-section), the curved surface of the flexible OLED display is a wavy surface.

The head-mounted display provided in the present invention may be a single-eye head-mounted display or a binocular head-mounted display.

The monocular head-mounted display includes: an eyepiece; and, a curved flexible OLED display that matches the field curvature of the eyepiece.

A binocular head-mounted display comprising: a left-eye eyepiece; and, a left-eye flexible OLED display having a curved surface matching the field curvature of the left-eye eyepiece; and, a right-eye eyepiece; A curved right-eye flexible OLED display that matches the field curvature of the right-eye eyepiece.

The invention also discloses a method for manufacturing a head-mounted display, and the head-mounted display manufactured by the method can solve the problem of poor imaging quality existing in the existing head-mounted displays.

Fig. 8 is a flow chart of a manufacturing method of a head-mounted display in the present invention. As shown in Fig. 8, the method includes the following steps.

Step 801, designing the eyepiece.

In this step, it is not necessary to design the field curvature of the eyepiece carefully. Therefore, designers can devote more energy to research on the lightweight and compactness of head-mounted displays.

Step 802, measuring the focal plane of the field curvature of the eyepiece.

In this step, the focal plane of the field of view of the eyepiece can be measured by using an existing measurement scheme.

Step 803 , fabricating a flexible OLED display in the form of a curved surface that matches the focal plane of the field of view.

In this step, according to the measured focal plane of the field curvature of the eyepiece, the best image planes of the focal planes of the field curvature in the field curvature are connected to draw the best image plane curve. Then, a support plate with a curved surface matching the focal plane of the field of view is fabricated; a flexible OLED is attached to the support plate. Get a flexible OLED display.

In this step, the focal plane of the actual field of view of the eyepiece with field curvature is matched with the matching flexible OLED display, so that the focal point of the field of view of the eyepiece falls on the flexible OLED display, so clear images can be seen .

Step 804, using the eyepiece and the flexible OLED display as the magnification part and the display part of the head-mounted display respectively.

To sum up, the present invention provides a technical head-mounted display including an eyepiece; and a curved flexible OLED display; wherein, the curved surface of the OLED display matches the field curvature of the eyepiece. In the present invention, by using a bendable flexible OLED, the bendable angle of the flexible OLED can be adjusted according to the actual field curvature of the eyepiece, thereby reducing the impact of the field curvature of the eyepiece in the head-mounted display on the resolution. Improved image quality for HMDs.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims (4)

1. a head-mounted display, it is characterised in that this head-mounted display includes:

Eyepiece and the flexible OLED display of shape in curved surface；

Wherein, the curved surface of described OLED display screen is that the curvature of field with described eyepiece matches；

Described flexible OLED display includes:

The board of shape in curved surface and be attached on this board flexible OLED；

The curved surface of described flexible OLED display particularly as follows:

Cross section is the face of camber line；

Or, cross section is the face of jaggies；

Or, cross section is the face of wave；

Or, cross section is the face of broken line；

Wherein, the curvature of field of eyepiece is processed into the continuous print arc-shaped change of the side towards focal plane, at eyepiece The curvature of field of arc-shaped can be presented, by the optimum image plane of each visual field focal plane in this curvature of field after having designed Link up, form optimal image planes curve；According to this image planes curve, flexible OLED is processed, root The board in the flexible OLED display of coupling is gone out, then by this flexibility according to this image planes Curve Machining OLED is attached on this board by arc.

2. head-mounted display as claimed in claim 1, it is characterised in that this head-mounted display is simple eye Head-mounted display, including:

One eyepiece；

With, one in the curved flexible OLED display matched with the curvature of field of this eyepiece.

3. head-mounted display as claimed in claim 1, it is characterised in that this head-mounted display is eyes Head-mounted display, including:

One left eye eyepiece；

With, one shows in curved left eye flexibility OLED matched with the curvature of field of this left eye eyepiece Screen；

With, a right eye eyepiece；

With, one shows in curved right eye flexibility OLED matched with the curvature of field of this right eye eyepiece Screen.

4. the manufacture method of a head-mounted display, it is characterised in that the method includes:

Design eyepiece；

Measure the visual field focal plane of the curvature of field of described eyepiece；

Make shape in curved surface, and the flexible OLED display that this curved surface matches with described visual field focal plane；

Using described eyepiece and described flexible OLED display as the amplifier section of head-mounted display and Display part；

Described making shape in curved surface, and the flexible OLED that this curved surface and described visual field focal plane match shows Screen includes:

Make shape in curved surface, and the board that this curved surface matches with described visual field focal plane；

The flexible OLED of attachment on described board；

The curved surface of wherein said flexible OLED display particularly as follows:

Cross section is the face of camber line；

Or, cross section is the face of jaggies；

Or, cross section is the face of wave；

Or, cross section is the face of broken line；

Wherein, the curvature of field of eyepiece is processed into the continuous print arc-shaped change of the side towards focal plane, at eyepiece The curvature of field of arc-shaped can be presented, by the optimum image plane of each visual field focal plane in this curvature of field after having designed Link up, form optimal image planes curve；According to this image planes curve, flexible OLED is processed, root The board in the flexible OLED display of coupling is gone out, then by this flexibility according to this image planes Curve Machining OLED is attached on this board by arc.