CN106199974A - A kind of nearly eye display device - Google Patents

A kind of nearly eye display device Download PDF

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Publication number
CN106199974A
CN106199974A CN201610862639.XA CN201610862639A CN106199974A CN 106199974 A CN106199974 A CN 106199974A CN 201610862639 A CN201610862639 A CN 201610862639A CN 106199974 A CN106199974 A CN 106199974A
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CN
China
Prior art keywords
imaging arrangement
described
imaging
display device
nearly eye
Prior art date
Application number
CN201610862639.XA
Other languages
Chinese (zh)
Inventor
马新利
杨亚锋
高健
谭纪风
王灿
王维
张粲
Original Assignee
京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to CN201610862639.XA priority Critical patent/CN106199974A/en
Publication of CN106199974A publication Critical patent/CN106199974A/en

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/011Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion

Abstract

The embodiment of the present invention provides a kind of nearly eye display device, relates to Display Technique field, can improve aberration.This nearly eye display device includes: display floater, be arranged on described display floater light emission side and at least corresponding with sub-pixel imaging arrangement group;Described imaging arrangement group includes the first imaging arrangement and the second imaging arrangement;Described first imaging arrangement is arranged on the surface of described display floater light emission side, and described second imaging arrangement is arranged on described first imaging arrangement side away from described display floater.Show for realizing nearly eye.

Description

A kind of nearly eye display device

Technical field

The present invention relates to Display Technique field, particularly relate to a kind of nearly eye display device.

Background technology

Nearly eye display product has that volume is little, lightweight, whenever and wherever possible information is the advantage such as be presented in user sight line. The study shown nearly eye along with people and understanding, the application of nearly eye display product is also in constantly extension.

Owing to the display screen of nearly eye display product is the least, and distance human eye is close, and the image that therefore user is seen should Enough clear and in the range of human eye observable.

As it is shown in figure 1, the most conventional nearly eye Display Realization scheme is that convex lens 14 is directly integrated into display floater 01 Glass substrate on, but, when convex lens 14 imaging amplification is excessive, easily cause aberration.

Summary of the invention

Embodiments of the invention provide a kind of nearly eye display device, can improve aberration.

For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that

A kind of nearly eye display device is provided, including: display floater, is arranged on described display floater light emission side and at least with one The imaging arrangement group that individual sub-pixel is corresponding;Described imaging arrangement group includes the first imaging arrangement and the second imaging arrangement;Described One imaging arrangement is arranged on the surface of described display floater light emission side, and described second imaging arrangement is arranged on described first imaging knot Structure is away from the side of described display floater.

Preferably, described imaging arrangement group and described sub-pixel one_to_one corresponding.

Preferably, described second imaging arrangement is arranged on a transparent substrate;Described transparent substrates by Optical transparent adhesive with Described display floater bonds;Wherein, described second imaging arrangement be arranged on described transparent substrates away from described display floater one Side.

Preferably, the focal length of described first imaging arrangement is between 0.3mm~5mm;The focal length of described second imaging arrangement Between 0.5mm~30mm;Described first imaging arrangement to the distance between described second imaging arrangement 0.3mm~30mm it Between.

Optionally, in described first imaging arrangement and described second imaging arrangement, one is zone plate, and another is convex lens Mirror.

It is further preferred that described first imaging arrangement is described zone plate, described second imaging arrangement is described convex lens Mirror.

Optionally, described first imaging arrangement and described second imaging arrangement are convex lens.

Optionally, described first imaging arrangement is concavees lens;Described second imaging arrangement is convex lens or zone plate.

Preferably, described zone plate is Phase zone plate, or amplitude type zone plate.

It is further preferred that described zone plate is prepared by patterning processes.

Preferably, described display floater is OLED display panel;Or, described display floater is display panels;Its In, described first imaging arrangement is arranged on the surface of the upper polaroid of described display panels.

The embodiment of the present invention provides a kind of nearly eye display device, includes the first imaging by arranging in display floater light emission side The imaging arrangement group of structure and the second imaging arrangement, and make the first imaging arrangement arrange near display floater, can be by first The display picture of display floater is carried out imaging for the first time by imaging arrangement, is become the first imaging arrangement by the second imaging arrangement As carrying out second time imaging, and make that second time becomes as being at the human eye distance of distinct vision.Single relative to prior art Mirror, imaging arrangement group can improve aberration by improving spherical aberration.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.

The structural representation of a kind of display device that Fig. 1 provides for prior art;

The structural representation one of a kind of near eye display device that Fig. 2 provides for the embodiment of the present invention;

The structural representation two of a kind of near eye display device that Fig. 3 provides for the embodiment of the present invention;

The structural representation three of a kind of near eye display device that Fig. 4 provides for the embodiment of the present invention;

The structural representation four of a kind of near eye display device that Fig. 5 provides for the embodiment of the present invention;

The structural representation five of a kind of near eye display device that Fig. 6 provides for the embodiment of the present invention;

The structural representation six of a kind of near eye display device that Fig. 7 provides for the embodiment of the present invention;

The structural representation seven of a kind of near eye display device that Fig. 8 provides for the embodiment of the present invention;

Fig. 9 is the imaging process one of Fig. 4-6 any structure;

Figure 10 is the imaging process two of Fig. 4-6 any structure;

Figure 11 is the imaging process three of Fig. 4-6 any structure;

Figure 12 is the imaging process four of Fig. 4-6 any structure;

Figure 13 is the imaging process of Fig. 7-8 any structure;

The schematic top plan view one of a kind of amplitude type zone plate that Figure 14 provides for the embodiment of the present invention;

The schematic top plan view two of a kind of amplitude type zone plate that Figure 15 provides for the embodiment of the present invention;

The schematic top plan view of a kind of Phase zone plate that Figure 16 provides for the embodiment of the present invention.

Reference:

01-display floater;02-sub-pixel;11-the first imaging arrangement;12-the second imaging arrangement;13-zone plate;14-is convex Lens;15-concavees lens;21-transparent substrates;22-Optical transparent adhesive.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.

The embodiment of the present invention provides a kind of nearly eye display device, as in figure 2 it is shown, include: display floater 01, be arranged on display Panel 01 light emission side and at least corresponding with a sub-pixel 02 imaging arrangement group;Described imaging arrangement group includes the first imaging knot Structure 11 and the second imaging arrangement 12;First imaging arrangement 11 is arranged on the surface of display floater 01 light emission side, the second imaging arrangement 12 are arranged on first imaging arrangement 11 side away from display floater 01.

It should be noted that first, the type of display floater 01 is not defined, such as, can be LCD Plate, it is also possible to be Organic Light Emitting Diode (Organic Light Emitting Diode is called for short OLED) display floater.Its In, the accompanying drawing of the embodiment of the present invention is only illustrated as a example by display panels.

Second, an imaging arrangement group can be corresponding with display floater 01 sub-pixel 02, it is also possible to many height Pixel 02 is corresponding.In the accompanying drawing of the embodiment of the present invention only right with display floater 01 sub-pixel 02 with an imaging arrangement group Should illustrate.

Wherein, position is corresponding first imaging arrangement 11 and second imaging arrangement 12 constitute an imaging arrangement Group.

3rd, the purpose that nearly eye shows, is to be become away from the distance of distinct vision of human eye by the picture of the display device close from human eye, Based on this, in the embodiment of the present invention, the display picture of display floater 01 is carried out for the first time imaging by the first imaging arrangement 11, and second Imaging arrangement 12 carries out second time imaging to the first imaging arrangement 11 imaging, and for the second time after imaging, this picture should be at human eye At the distance of distinct vision.

Wherein, the distance between the preferably first imaging arrangement 11 imaging to the second imaging arrangement 12 is less than 0.9 times the The focal length of two imaging arrangements 12, and more than the focal length of 0.7 times of second imaging arrangement 12, so that the second imaging arrangement 12 imaging It is at the human eye distance of distinct vision.

Herein, can be by controlling the object distance between the first imaging arrangement 11 and sub-pixel 02, Jiao of the first imaging arrangement 11 Away from, control the position of the first imaging arrangement 11 imaging.Wherein, when described display floater 01 is display panels, the Object distance between one imaging arrangement 11 and sub-pixel 02 is the first imaging arrangement 11 and arrives the distance between color film;When described display When panel 01 is OLED display panel, the object distance between the first imaging arrangement 11 and sub-pixel 02 is the first imaging arrangement 11 and arrives Distance between luminescent layer.

4th, in order to make the second imaging arrangement 12 and the first imaging arrangement 11 fix, at the first imaging arrangement 11 and second Transparent configuration can be set between imaging arrangement 12.Wherein, on the one hand this transparent configuration makes the second imaging arrangement 12 and the first imaging Structure 11 is fixed, on the other hand, when the first imaging arrangement 11 imaging is positioned at the first imaging arrangement 11 and the second imaging arrangement Between time, the second imaging arrangement 12 imaging need to be met and be at the human eye distance of distinct vision.

The embodiment of the present invention provides a kind of nearly eye display device, includes the first one-tenth by arranging in display floater 01 light emission side As structure 11 and the imaging arrangement group of the second imaging arrangement 12, and the first imaging arrangement 11 is made to arrange near display floater 01, can The display picture of display floater 01 is carried out imaging for the first time by the first imaging arrangement 11, right by the second imaging arrangement 12 First imaging arrangement 11 imaging carries out second time imaging, and the picture making second time become is at the human eye distance of distinct vision.Relatively In the single lens of prior art, imaging arrangement group can improve aberration by improving spherical aberration.

In view of by imaging arrangement group and sub-pixel one_to_one corresponding, the distortion of imaging can be reduced, it is therefore preferable that an one-tenth As structure group is corresponding with a sub-pixel 02.

Preferably, as it is shown on figure 3, the second imaging arrangement 12 is arranged in transparent substrates 21;Transparent substrates 21 passes through optics Transparent adhesive tape 22 bonds with display floater 01;Wherein, the second imaging arrangement 12 be arranged on transparent substrates 21 away from display floater 01 Side.

It should be noted that the material of Optical transparent adhesive 22 is not defined, such as, it can be Optical transparent adhesive (Optical Clear Resin is called for short OCR).

Owing to the thickness of Optical transparent adhesive 22 can not be the thickest, generally 0.07~0.15mm, therefore, the first imaging arrangement 11 With the distance that second between imaging arrangement 12 can be adjusted by transparent substrates 21.

The embodiment of the present invention is by being arranged on transparent substrates 21 away from display floater 01 side by the second imaging arrangement 12 On surface, not only can avoid the error in manufacturing process, it is easy to formed, and may insure that the first imaging arrangement 11 and second Spacing is there is between imaging arrangement 12.Use Optical transparent adhesive 22, transparent substrates 21 and display floater 01 can be bonded in one Rise, and will not be in the light.

Preferably, the focal length of the first imaging arrangement 11 is between 0.3mm~5mm;The focal length of the second imaging arrangement 12 exists Between 0.5mm~30mm;Distance between first imaging arrangement the 11 to the second imaging arrangement 12 is between 0.3mm~30mm.

The embodiment of the present invention is by the focal length of the first imaging arrangement 11, the focal length of the second imaging arrangement 12, the first imaging Distance between structure the 11 to the second imaging arrangement 12 is defined, it may be determined that between the first imaging arrangement 11 and sub-pixel 02 Object distance, thus the thickness of display device can be prepared by demand.

Optionally, as shown in Figure 4 and Figure 5, in the first imaging arrangement 11 and the second imaging arrangement 12, one is zone plate 13, another is convex lens 14.

Concrete, as it is shown in figure 9, when object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 is less than 1 times During the focal length of the first imaging arrangement 11, carry out becoming for the first time by the display picture of display floater 01 by the first imaging arrangement 11 Picture, obtains the virtual image (the short-and-medium dotted arrow of Fig. 9) of a upright amplification, and now, this virtual image is positioned at display floater 01 away from first Imaging arrangement 11 side.Based on this, object distance u of sub-pixel the 02 to the first imaging arrangement 11 of display floater can be controlled less than 0.8 The focal length of the first imaging arrangement 11 again, more than the focal length of 0.1 times of first imaging arrangement 11, and the focal length of the second imaging arrangement 12 is little In the distance of 1.6 times of first imaging arrangement the 11 to the second imaging arrangement 12, more than 1.1 times of first imaging arrangement the 11 to the second imaging The distance of structure 12, after making the second imaging arrangement 12 that first imaging arrangement 11 imaging to carry out second time imaging, obtains one The virtual image (long dotted arrow in Fig. 9) of individual upright amplification, now, this virtual image is positioned at display floater 01 away from the second imaging arrangement 12 Side, and be positioned at the human eye distance of distinct vision.

That is, by controlling object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater less than 0.8 times of first imaging The focal length of structure 11, more than the focal length of 0.1 times of first imaging arrangement 11, and the focal length of the second imaging arrangement 12 is less than 1.6 times the The distance of one imaging arrangement the 11 to the second imaging arrangement 12, more than 1.1 times of first imaging arrangement the 11 to the second imaging arrangement 12 Distance, can make the picture become for the first time be less than the focal length of 0.9 times of second imaging arrangement 12 to the distance between the second imaging arrangement 12, And more than the focal length of 0.7 times of second imaging arrangement 12.

As shown in Figure 10, it is less than 2 times the first one-tenth when object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 As the focal length of structure 11, and when being more than the focal length of 1 times of first imaging arrangement 11, by the first imaging arrangement 11 by display floater 01 Display picture carry out for the first time imaging, obtain the real image (solid arrow stood upside down in Figure 10) amplified that stands upside down, now, should Real image is between the first imaging arrangement 11 and the second imaging arrangement 12.Based on this, the sub-pixel 02 that can control display floater arrives Object distance u of the first imaging arrangement 11 is less than the focal length of 2 times of first imaging arrangement 11, more than the focal length of 1 times of first imaging arrangement 11, The focal length of the second imaging arrangement 12 is less than the distance of 0.4 times of first imaging arrangement the 11 to the second imaging arrangement 12, more than 0.25 times The distance of first imaging arrangement the 11 to the second imaging arrangement 12, and the distance of first imaging arrangement the 11 to the second imaging arrangement 12 More than focal length and the focal length sum of the second imaging arrangement 12 of the first imaging arrangement 11, make the second imaging arrangement 12 to the first imaging After structure 11 imaging carries out second time imaging, relative to the picture become for the first time, obtain the virtual image (Figure 10 of a upright amplification The dotted arrow of middle handstand), now, this virtual image is positioned at display floater 01 away from the second imaging arrangement 12 side, and is positioned at human eye At the distance of distinct vision.Due to this virtual image relative to display floater 01 display picture be stand upside down, therefore, can by regulate nearly eye show Device, make that human eye sees as upright.

That is, object distance u by controlling sub-pixel 02 to the first imaging arrangement 11 of display floater is tied less than 2 times of first imaging The focal length of structure 11, more than the focal length of 1 times of first imaging arrangement 11, the focal length of the second imaging arrangement 12 is less than 0.4 times of first imaging The distance of structure the 11 to the second imaging arrangement 12, more than the distance of 0.25 times of first imaging arrangement the 11 to the second imaging arrangement 12, And the distance of first imaging arrangement the 11 to the second imaging arrangement 12 is tied more than focal length and second imaging of the first imaging arrangement 11 The focal length sum of structure 12, can make become for the first time to tie as the distance between the second imaging arrangement 12 is less than 0.9 times of second imaging The focal length of structure 12, and more than the focal length of 0.7 times of second imaging arrangement 12.

As shown in figure 11, it is equal to 2 times the first one-tenth when object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 During as the focal length of structure 11, by the first imaging arrangement 11, the display picture of display floater 01 is carried out imaging for the first time, obtain The big real images such as one handstand (solid arrow stood upside down in Figure 11), now, this real image is positioned at the first imaging arrangement 11 and second Between imaging arrangement 12.Based on this, object distance u of sub-pixel the 02 to the first imaging arrangement 11 of display floater 01 can be controlled equal to 2 The focal length of the first imaging arrangement 11 again, the focal length of the second imaging arrangement 12 is less than 0.4 times of first imaging arrangement the 11 to the second imaging The distance of structure 12, more than the distance of 0.3 times of first imaging arrangement the 11 to the second imaging arrangement 12, and the first imaging arrangement 11 To the distance of the second imaging arrangement 12 more than the focal length of the first imaging arrangement 11 and the focal length sum of the second imaging arrangement 12, make the After two imaging arrangements 12 carry out second time imaging to the first imaging arrangement 11 imaging, relative to the picture become for the first time, obtain The virtual image (dotted arrow stood upside down in Figure 11) of one upright amplification.Now, this virtual image is positioned at display floater 01 away from the second one-tenth As structure 12 side, and it is positioned at the human eye distance of distinct vision.Due to this virtual image relative to display floater 01 display picture be stand upside down, Therefore, can by regulating nearly eye display device, make that human eye sees as upright.

That is, by controlling object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 equal to 2 times of first imaging The focal length of structure 11, the focal length of the second imaging arrangement 12 less than 0.4 times of first imaging arrangement the 11 to the second imaging arrangement 12 away from From, more than the distance of 0.3 times of first imaging arrangement the 11 to the second imaging arrangement 12, and first imaging arrangement the 11 to the second imaging The distance of structure 12 is more than focal length and the focal length sum of the second imaging arrangement 12 of the first imaging arrangement 11, and first time can be made to become As the distance between the second imaging arrangement 12 is less than the focal length of 0.9 times of second imaging arrangement 12, and more than 0.7 times of second imaging The focal length of structure 12.

As shown in figure 12, it is more than 2 times the first one-tenth when object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 During as the focal length of structure 11, by the first imaging arrangement 11, the display picture of display floater 01 is carried out imaging for the first time, obtain The real image (solid arrow stood upside down in Figure 12) that one handstand is reduced, now, this real image is positioned at the first imaging arrangement 11 and second Between imaging arrangement 12.Based on this, object distance u of sub-pixel the 02 to the first imaging arrangement 11 of display floater 01 can be controlled more than 2 The focal length of the first imaging arrangement 11 again, the focal length of the second imaging arrangement 12 is less than 0.5 times of first imaging arrangement the 11 to the second imaging The distance of structure 12, more than the distance of 0.3 times of first imaging arrangement the 11 to the second imaging arrangement 12, and the first imaging arrangement 11 To the distance of the second imaging arrangement 12 more than the focal length of the first imaging arrangement 11 and the focal length sum of the second imaging arrangement 12, make the After two imaging arrangements 12 carry out second time imaging to the first imaging arrangement 11 imaging, relative to the picture become for the first time, obtain The virtual image (dotted arrow stood upside down in Figure 12) of one upright amplification.Now, this virtual image is positioned at display floater 01 away from the second one-tenth As structure 12 side, and it is positioned at the human eye distance of distinct vision.Due to this virtual image relative to display floater 01 display picture be stand upside down, Therefore, can by regulating nearly eye display device, make that human eye sees as upright.

That is, by controlling object distance u of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 more than 2 times of first imaging The focal length of structure 11, the focal length of the second imaging arrangement 12 less than 0.5 times of first imaging arrangement the 11 to the second imaging arrangement 12 away from From, more than the distance of 0.3 times of first imaging arrangement the 11 to the second imaging arrangement 12, and first imaging arrangement the 11 to the second imaging The distance of structure 12 is more than focal length and the focal length sum of the second imaging arrangement 12 of the first imaging arrangement 11, and first time can be made to become As the distance between the second imaging arrangement 12 is less than the focal length of 0.9 times of second imaging arrangement 12, and more than 0.7 times of second imaging The focal length of structure 12.

It should be noted that first, as shown in Figure 4, when the first imaging arrangement 11 is zone plate 13, the second imaging arrangement For convex lens 14;As it is shown in figure 5, when the first imaging arrangement 11 is convex lens 14, the second imaging arrangement 12 is zone plate 13.

Second, it will be understood by those skilled in the art that the imaging process of zone plate 13 approximates with convex lens 14, in imaging Cheng Zhong, owing to can not become when the object distance of the first imaging arrangement 11 to sub-pixel 02 is equal to the focal length of 1 times of first imaging arrangement 01 Picture, as long as therefore the first imaging arrangement 11 is not equal to first imaging arrangement 11 focal length of 1 times i.e. to the object distance between sub-pixel 02 Can.

3rd, due to when the refractive index of convex lens 14 is less than the refractive index of periphery medium, the imaging effect of convex lens 14 It is equal to concavees lens, therefore, if the first imaging arrangement 11 is convex lens 14, then the refractive index of convex lens 14 should be greater than optical lens The refractive index of gelatin 22.

The embodiment of the present invention, by using zone plate 13 and the imaging arrangement group of convex lens 14, not only can improve aberration, Simultaneously because the focal length of zone plate 13 shortens with the increase of wavelength, convex lens 14 contrast, utilize the compensation relationship of the two, The aberration produced in imaging process can also be improved.

It is further preferred that as shown in Figure 4, the first imaging arrangement 11 is zone plate 13, and the second imaging arrangement 12 is convex lens Mirror 14.

In the embodiment of the present invention, compared to convex lens 14, the zone plate 13 that focal length is less is easier to make, therefore in preparation During, when the first imaging arrangement 11 is zone plate, it is easier to meet the first imaging arrangement focal length between 0.3mm~5mm, And the refractive index not requirement that such combination is to convex lens 14.

Optionally, as shown in Figure 6, the first imaging arrangement 11 and the second imaging arrangement 12 are convex lens 14.

It should be noted that as shown in Fig. 9-Figure 12, it is also possible to regard the first imaging arrangement 11 and the second imaging arrangement as 12 imagings when being all convex lens 14.

The embodiment of the present invention, by using the combination of two convex lenss 14, can improve aberration by improving spherical aberration.

Optionally, as shown in Figure 7 and Figure 8, the first imaging arrangement 11 is concavees lens 15;Second imaging arrangement 12 is convex lens 14 or zone plate 13.

Concrete, as shown in figure 13, when object distance u and first of sub-pixel 02 to the first imaging arrangement 11 of display floater 01 When the focal length of imaging arrangement 11 is any relation, by the first imaging arrangement 11, the display picture of display floater 01 is carried out first Secondary imaging, obtains the upright virtual image (dotted arrow as short-and-medium in Figure 13) reduced, and now, this virtual image is positioned at display floater 01 and Between one imaging arrangement 11.Based on this, object distance u of sub-pixel the 02 to the first imaging arrangement 11 of display floater can be controlled less than 5 The focal length of the first imaging arrangement 11 again, more than the focal length of 0.5 times of first imaging arrangement 11, the focal length of the second imaging arrangement 12 is less than The distance of 2 times of first imaging arrangement the 11 to the second imaging arrangement 12, more than 1.1 times of first imaging arrangement the 11 to the second imaging arrangement The distance of 12, after making the second imaging arrangement 12 that first imaging arrangement 11 imaging to carry out second time imaging, is just obtaining one Standing up the big virtual image (long dotted arrow in Figure 13), now, this virtual image is positioned at display floater 01 away from the second imaging arrangement 12 1 Side, and be positioned at the human eye distance of distinct vision.

That is, object distance u by controlling sub-pixel 02 to the first imaging arrangement 11 of display floater is tied less than 5 times of first imaging The focal length of structure 11, more than the focal length of 0.5 times of first imaging arrangement 11, the focal length of the second imaging arrangement 12 is less than 2 times of first imaging The distance of structure the 11 to the second imaging arrangement 12, more than the distance of 1.1 times of first imaging arrangement the 11 to the second imaging arrangement 12, can Make the picture become for the first time be less than the focal length of 0.9 times of second imaging arrangement 12 to the distance between the second imaging arrangement 12, and be more than The focal length of 0.7 times of second imaging arrangement 12.

In the present embodiment, convex lens 14 produces negative spherical aberration, and concavees lens 15 produce positive spherical aberration, and the two combines, and is ensureing On the basis of the picture of the amplification of final one-tenth is at the human eye distance of distinct vision, it is more beneficial for improving aberration, and owing to zone plate 13 is with convex The imaging process of lens 14 is similar to, and therefore can be used for imaging arrangement group, thus improves aberration.

Preferably, as shown in Figure 14-Figure 15, zone plate 13 is amplitude type zone plate;Or, as shown in figure 16, zone plate 13 is Phase zone plate.

It should be noted that first, in nearly eye display device, in order to make zone plate 13 corresponding with sub-pixel 02, therefore Zone plate 13 is not complete circle.

Wherein, the radius of each annular of zone plate 13(k is positive integer);K is annulus ordinal number, and λ is for injecting ripple The wavelength of the light of strap, f is the focal length of zone plate.

Second, as shown in Figure 14-Figure 15, amplitude type zone plate is divided into odd number half-wave zone and even number half-wave zone.

It is further preferred that zone plate 13 is prepared by patterning processes.

It should be noted that the making of zone plate 13 can use mask plate exposure to be etched in display floater 01 or transparent lining The figure making crome metal realizes at the end 21.

Additionally, the method that zone plate 13 can also use photocopying realizes, even if with computer drawing zone plate 13, then Concentric circular is filled with, eventually passes duplicating or photograph is made.

The embodiment of the present invention prepares zone plate 13 by the way of using patterning processes, can directly be made by zone plate 13 On display floater 01 or the surface of transparent substrates 21, it is not necessary to being posted, therefore precision is higher.

Preferably, display floater 01 is OLED display panel;Or, display floater 01 is display panels;Wherein, One imaging arrangement 11 is arranged on the surface of the upper polaroid of described display panels.

Wherein, each sub-pixel in OLED display panel can include thin film transistor (TFT), anode, negative electrode and be positioned at Organic material functional layer between anode and negative electrode, due to the particularity of organic material functional layer, OLED display element also includes Encapsulated layer.

Each sub-pixel in display panels can include thin film transistor (TFT), the pixel electrode being positioned on array base palte Deng, and be positioned at the chromatic filter layer on box substrate.Public electrode may be provided on array base palte, it is possible to is arranged on box base On plate, chromatic filter layer may be provided on box substrate, it is possible to is arranged on array base palte.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.

Claims (10)

1. a nearly eye display device, it is characterised in that including: display floater, be arranged on described display floater light emission side and extremely Few imaging arrangement group corresponding with a sub-pixel;
Described imaging arrangement group includes the first imaging arrangement and the second imaging arrangement;Described first imaging arrangement is arranged on described aobvious Show that the surface of panel light emission side, described second imaging arrangement are arranged on described first imaging arrangement away from the one of described display floater Side.
Nearly eye display device the most according to claim 1, it is characterised in that described imaging arrangement group and described sub-pixel one One is corresponding.
Nearly eye display device the most according to claim 1, it is characterised in that described second imaging arrangement is arranged on transparent lining At at the end;Described transparent substrates is bondd with described display floater by Optical transparent adhesive;
Wherein, described second imaging arrangement be arranged on described transparent substrates away from described display floater side.
Nearly eye display device the most according to claim 1, it is characterised in that the focal length of described first imaging arrangement exists Between 0.3mm~5mm;The focal length of described second imaging arrangement is between 0.5mm~30mm;Described first imaging arrangement is to described Distance between second imaging arrangement is between 0.3mm~30mm.
Nearly eye display device the most according to claim 1, it is characterised in that described first imaging arrangement becomes with described second As, in structure, one is zone plate, and another is convex lens.
Nearly eye display device the most according to claim 5, it is characterised in that described first imaging arrangement is described wavestrip Sheet, described second imaging arrangement is described convex lens.
Nearly eye display device the most according to claim 1, it is characterised in that described first imaging arrangement becomes with described second As structure is convex lens.
Nearly eye display device the most according to claim 1, it is characterised in that described first imaging arrangement is concavees lens;Institute Stating the second imaging arrangement is convex lens or zone plate.
9. according to the nearly eye display device described in claim 5 or 8, it is characterised in that described zone plate is Phase zone plate, Or amplitude type zone plate.
Nearly eye display device the most according to claim 9, it is characterised in that described zone plate is prepared by patterning processes Obtain.
CN201610862639.XA 2016-09-28 2016-09-28 A kind of nearly eye display device CN106199974A (en)

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CN102859425A (en) * 2010-04-27 2013-01-02 夏普株式会社 Backlight system and LCD device using the same
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Application publication date: 20161207