CN109036153A

CN109036153A - The display methods of colored micro-display device and preparation method thereof and color image

Info

Publication number: CN109036153A
Application number: CN201710433042.8A
Authority: CN
Inventors: 罗莎; 瞿帅; 许键; 张雪峰
Original assignee: Shanghai Jun Micro Electronic Technology Co Ltd
Current assignee: Shanghai Jun Micro Electronic Technology Co Ltd
Priority date: 2017-06-09
Filing date: 2017-06-09
Publication date: 2018-12-18

Abstract

The present invention provides a kind of display methods of the colored micro-display device and preparation method thereof with color image, and the colour micro-display device includes: monochromatic LED micro display mould group, imaging len, white fluorescence component and dynamic optical filter；The imaged lens excited white light fluorescent component of monochromatic LED microimage pixel array, and white light LEDs real image array is formed on white fluorescence component, which successively shows different sub- colour field grayscale informations within the time for forming each frame image；Dynamic optical filter is according to the display time of red, green, blue three sub- colour field grayscale informations, and synchronous to carry out red filter, green filter, blue filter, RGB three sub- colour field images alternately display, and color image is finally presented.The more spacing color mixed method of colored micro-display device of the invention has higher resolution ratio, and can reduce the luminous cross-interference issue between each LED micro-pixels.

Description

The display methods of colored micro-display device and preparation method thereof and color image

Technical field

The invention belongs to technical field of semiconductors, more particularly to a kind of colored micro-display device and preparation method thereof and coloured silk The display methods of chromatic graph picture.

Background technique

Universal with mobile Internet and smart machine, people are also gradually strong to the diversified demand of information organization form It is strong.How preferably display is realized in small-size equipment, have become core demand, micro-display in numerous application fields The market demand of part increasingly increases.GaN base LED micro display is low with its operating voltage, luminous efficiency is high, fast response time, performance Reliable and stable, the advantages that operating temperature range is wide and be doomed to become the micro-display device of next-generation mainstream.

However, how to realize that the colorization of GaN base LED micro-display is a huge challenge.A kind of possible scheme It is on the same substrate while to prepare red, green, blue LED array, but due to the required Quantum Well of red, green, blue diode Material is different, can not once grow the quantum well structure of different materials in the preparation, increase the complexity of technique, and The threshold voltage of red, green, blue LED is not also identical, increases the complexity of LED array driving.

Alternatively possible scheme is to obtain white light LED array using monochromatic LED array excited white light fluorescent component, Red-green-blue filter coating is then made above white fluorescence component, three primary colours filter coating is arranged according to the spatial position of setting Column are corresponded with white light LEDs pixel, final to obtain color LED array.But GaN LED pixel is usually grown in sapphire lining On bottom, due to waveguiding effect and intrinsic divergence of beam angle, when the light that each LED is issued penetrates Sapphire Substrate, some light On the fluorescent powder membrane of contagious neighborhood pixels corresponding position, pixel-level fusion is caused when excitated fluorescent powder film obtains white light, Lead to image fault.In addition, the single pixel size of micro-display device is smaller, the complexity of production technology is higher, this space The color LED micro-display of colour filter method production is at least needed using four sub- LED pixels o'clock as a colored pixel, significantly Sacrifice the resolution ratio of micro-display device.

Summary of the invention

In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of colored micro-display device and its The display methods of production method and color image, for solving manufacture craft existing for colored micro-display device in the prior art There is a problem of between problem and pixel complicated, driving is complicated there are crosstalk, be easy to cause image fault, resolution ratio lower.

In order to achieve the above objects and other related objects, the present invention provides a kind of colored micro-display device, and the colour is micro- Display device includes: monochromatic LED micro display mould group, imaging len, white fluorescence component and dynamic optical filter；Wherein,

The monochromatic LED micro display mould group is suitable for extracting different sub- colour field gray scales from each frame color image to be shown Information, and the monochromatic light of varying strength is successively excited according to the information of extraction within the time for forming each frame image, in shape At in the time of each frame image by the different sub- colour field grayscale informations extracted from the color image to be shown by any Sequence is successively shown；Wherein, the monochromatic LED micro display mould group extracts different sub- colors from each frame color image to be shown Field grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue or institute Stating monochromatic LED micro display mould group and extracting different sub- colour field grayscale informations from each frame color image to be shown includes red son Colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

The imaging len is located at the light-emitting surface side of the monochromatic LED micro display mould group, is suitable for the monochromatic LED is micro- The monochromatic light that display module issues is projeced on the white fluorescence component in the form of real image；

The white fluorescence component includes at least fluorescent film, and the white fluorescence component is located at the imaging len far from institute The side for stating monochromatic LED micro display mould group, suitable for issuing white light under the monochromatic excitation of transmission；

The dynamic optical filter is located at the side of the white fluorescence component far from the imaging len, is suitable for according to described in The sub- colour field grayscale information of red described in monochromatic LED micro display mould group, the sub- colour field grayscale information of the green and blue The display time synchronization of colour field grayscale information carries out feux rouges optical filtering, green light to the white light that the white fluorescence component issues in real time It filters and blue light filters, required color image is finally presented.

As a kind of preferred embodiment of colored micro-display device of the invention, the monochromatic LED micro display mould group includes: to drive Dynamic backboard and upside-down mounting are in the LED micro-pixels array chip of the driving back plate surface；

The driving backboard is suitable for receiving the color image to be shown, extracts in color image to be shown described in each frame Different sub- colour field grayscale informations, and control the LED micro-pixels array chip according to the information of extraction and issue varying strength Monochromatic light；Wherein, it includes red that driving backboard extracts different sub- colour field grayscale informations from each frame color image to be shown Dice colour field grayscale information, the sub- colour field grayscale information of green and blue sub- colour field grayscale information or the driving backboard are from each It includes red sub- colour field grayscale information, the sub- colour field ash of green that different sub- colour field grayscale informations is extracted in frame color image to be shown Spend information, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white.

As a kind of preferred embodiment of colored micro-display device of the invention, what the LED micro-pixels array chip issued Monochromatic light includes blue light, purple light or ultraviolet light.

As a kind of preferred embodiment of colored micro-display device of the invention, the dynamic optical filter and the driving backboard It is connected, the driving backboard controls the monochrome that the LED micro-pixels array chip issues varying strength according to the information extracted The dynamic optical filter is controlled while light to filter.

As a kind of preferred embodiment of colored micro-display device of the invention, the driving backboard is with pulse width modulation methods Formula, current-modulation mode or voltage modulated mode control the monochromatic light that the LED micro-pixels array chip issues varying strength.

As a kind of preferred embodiment of colored micro-display device of the invention, the LED micro-pixels array chip includes:

Substrate；

First conduction type III-V nitride layer is located at the substrate surface；

Several LED micro-pixels are located at the first conduction type III-V nitride layer surface, and described first Conduction type III-V nitride layer surface is in array distribution；Each LED micro-pixels include: quantum well layer, the second conduction Type-iii-V group iii nitride layer, anode, cathode and passivation layer；The quantum well layer is located at the first conduction type iii-v Nitride layer surface, the second conduction type III-V nitride layer are located at the Quantum Well surface, the LED micro-pixels Anode be located at the second conduction type III-V nitride layer surface, the quantum well layer, second conduction type Iii-v nitration case and the anode of the LED micro-pixels collectively form the micro- table top of LED；The passivation layer is located at the LED micro- Face surrounding side；The cathode of the LED micro-pixels is located at the first conduction type III-V nitride layer surface.

As a kind of preferred embodiment of colored micro-display device of the invention, the driving backboard includes:

Video/image signal decoder module is suitable for receiving each frame color image to be shown in video or image, to each Frame color image to be shown is analyzed and processed, and extracts the different sub- colour field gray scale letters in each frame color image to be shown Breath；

Control module is connected with the video/image signal decoder module and each LED micro-pixels, is suitable for foundation The different sub- colour field grayscale informations that the video/image signal decoder module extracts control each LED micro-pixels and are being formed The monochromatic light of varying strength is excited in the time of each frame image, successively with will be from described within the time for forming each frame image The different sub- colour field grayscale informations extracted in color image to be shown are successively shown in any order.

As a kind of preferred embodiment of colored micro-display device of the invention, the control module includes: main control chip, extremely Few two frame image buffers and at least one pixel control unit；

The main control chip is connected with the video/image signal decoder module, is suitable for receiving the video/image letter The different sub- colour field grayscale informations in each frame color image to be shown that number decoder module extracts, by received different frame The different sub- colour field grayscale informations of color image to be shown, which replace, to be stored in the different frame image buffers, and is being incited somebody to action While the different sub- colour field grayscale informations of one frame color image to be shown are stored in a frame image buffer, from another The different sub- colour field grayscale informations of the color image to be shown of stored previous frame are extracted in the frame image buffer, and The different sub- colour field grayscale informations of the color image to be shown of extraction are sequentially output in any order to the pixel and are controlled Unit；

The pixel control unit is connected with the main control chip and each LED micro-pixels, is suitable for according to the master The different each LED micro-pixels of sub- colour field grayscale informations control for controlling the color image to be shown that chip extracts are each in formation The monochromatic light of varying strength is excited in the time of frame image, successively with will be from described to aobvious within the time for forming each frame image Show that the different sub- colour field grayscale informations extracted in color image are successively shown in any order.

As a kind of preferred embodiment of colored micro-display device of the invention, the quantity of the pixel control unit with it is described The quantity of LED micro-pixels is identical, and each pixel control unit is connected with the main control chip, and each pixel control Unit connects one to one with each LED micro-pixels.

As a kind of preferred embodiment of colored micro-display device of the invention, the imaging len includes simple lens, combination Lens or with the one-to-one microlens array of LED micro-pixels.

As a kind of preferred embodiment of colored micro-display device of the invention, the fluorescent film includes single transparent fluorescent film Or with the one-to-one fluorescence membrane array of the LED micro-pixels.

As a kind of preferred embodiment of colored micro-display device of the invention, the fluorescent film is located at the dynamic optical filter The plane of incidence on.

As a kind of preferred embodiment of colored micro-display device of the invention, the white fluorescence component further includes transparent base Plate, the fluorescent film is located at the transparent substrates surface, the white fluorescence component and the imaging len and the dynamic is filtered Light device all has spacing.

As a kind of preferred embodiment of colored micro-display device of the invention, the dynamic optical filter includes tunable liquid crystal Optical filter or mechanical optical filter.

The present invention also provides a kind of production method of colored micro-display device, the production method of the colour micro-display device Include the following steps:

1) monochromatic LED micro display mould group is prepared, the monochromatic LED micro display mould group is suitable for from each frame cromogram to be shown Different sub- colour field grayscale informations is extracted as in, and is successively excited within the time for forming each frame image according to the information of extraction The monochromatic light of varying strength, with the difference that will be extracted from the color image to be shown within the time for forming each frame image Sub- colour field grayscale information successively show in any order；Wherein, the monochromatic LED micro display mould group is from each frame coloured silk to be shown It includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and indigo plant that different sub- colour field grayscale informations is extracted in chromatic graph picture Dice colour field grayscale information or the monochromatic LED micro display mould group extract different sons from each frame color image to be shown Colour field grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and white Dice colour field grayscale information；

2) white fluorescence component, the monochrome that the white fluorescence component is issued in the monochromatic LED micro display mould group are prepared White light is issued under the excitation of light；

3) imaging len and dynamic optical filter are provided, the dynamic optical filter is suitable for according to the monochromatic LED micro display mould The sub- colour field grayscale information of red described in group, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue it is aobvious Show that time synchronization carries out feux rouges optical filtering to the white light that the white fluorescence component issues in real time, green light filters and blue light filters, Required color image is finally presented；The imaging len is placed in the light-emitting surface side of the monochromatic LED micro display mould group； The white fluorescence component is placed in side of the imaging len far from the monochromatic LED micro display mould group, and the white light Fluorescent component is located on the imaging plane of the imaging len；It is separate that the dynamic optical filter is placed in the white fluorescence component The side of the imaging len.

A kind of preferred embodiment of production method as colored micro-display device of the invention, in step 1), preparation is monochromatic LED micro display mould group includes the following steps:

Substrate 1-1) is provided, forms III-V nitride LED epitaxial wafer, the iii-v nitridation in the substrate surface Object includes the first conduction type III-V nitride layer being sequentially stacked, is located at the first conduction type III-V nitride The quantum well layer of layer surface, the second conduction type III-V nitride layer positioned at the quantum well layer surface；

1-2) the second conduction type III-V nitride layer and the quantum well layer described in selective etch are until expose The first conduction type III-V nitride, to form the micro- mesa array of LED for including the micro- table top of several LED；

1-3) passivation layer is formed in the micro- table top surrounding side the LED；

1-4) the second conduction type III-V nitride layer surface in the micro- table top of the LED forms anode, and Cathode is formed in exposed the first conduction type III-V nitride layer surface；The anode, the quantum well layer, institute It states the second conduction type III-V nitride layer, the cathode and the passivation layer and collectively forms LED micro-pixels, each LED LED microimage pixel array is collectively formed in micro-pixels；

Driving backboard 1-5) is provided, the driving backboard includes video/image signal decoder module and control module, described Video/image signal decoder module is suitable for receiving each frame color image to be shown in video or image, to be shown to each frame Color image is analyzed and processed, and extracts the sub- colour field grayscale information of difference in each frame color image to be shown；The control Module is connected with the video/image signal decoder module and each LED micro-pixels, is suitable for according to the video/image The different sub- colour field grayscale informations that signal decoder module extracts control each LED micro-pixels formed each frame image when In successively excite the monochromatic light of varying strength, with will be from the color image to be shown within the time for forming each frame image The different sub- colour field grayscale information information of middle extraction are successively shown in any order；Wherein, the video/image signal decoding Module extracted from each frame color image to be shown different sub- colour field grayscale informations include red sub- colour field grayscale information, it is green Dice colour field grayscale information and blue sub- colour field grayscale information or the video/image signal decoder module wait showing from each frame Show that it includes red sub- colour field grayscale information, the sub- colour field gray scale letter of green that different sub- colour field grayscale informations is extracted in color image Breath, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

1-6) structural bond for obtaining step 1-4) is together in the driving backboard, the anode surface of the LED micro-pixels Bonding face, and the anode of the LED micro-pixels is connected with the driving backboard.

A kind of preferred embodiment of production method as colored micro-display device of the invention, the control module include: Main control chip, at least two frame image buffers and at least one pixel control unit；

The main control chip is connected with the video/image signal decoder module, is suitable for receiving the video/image letter Different sub- colour field grayscale informations is extracted in each frame color image to be shown that number decoder module extracts, by received different frame The different sub- colour field grayscale informations of color image to be shown be alternately stored in the different frame image buffers, and While the different sub- colour field grayscale informations of one frame color image to be shown are stored in a frame image buffer, from another The different sub- colour field grayscale informations of the color image to be shown of stored previous frame are extracted in the one frame image buffer, And the different sub- colour field grayscale informations of the color image to be shown of extraction are sequentially output in any order to the pixel control Unit processed；

A kind of preferred embodiment of production method as colored micro-display device of the invention, the pixel control unit Quantity is identical as the quantity of the LED micro-pixels, and each pixel control unit is connected with the main control chip, and each institute Pixel control unit is stated to connect one to one with each LED micro-pixels.

A kind of preferred embodiment of production method as colored micro-display device of the invention, the middle white light formed of step 2) Fluorescent component be with the one-to-one fluorescence membrane array of the LED micro-pixels, specifically comprise the following steps:

Fluorescent dye and film forming agent 2-1) are provided, fluorescent dye and film forming agent are made into fluorescent powder solution by required；

Carrier 2-2) is provided, the fluorescent powder solution is deposited or is coated on the carrier, the carrier includes transparent The incident end face of substrate or dynamic optical filter, to form the phosphor film layer on the carrier；

Photoresist 2-3) is coated on the phosphor film layer surface, by photoetching, development and etching technics to the fluorescent film Layer processing is to form and the one-to-one fluorescence membrane array of the LED micro-pixels.

A kind of preferred embodiment of production method as colored micro-display device of the invention, the middle white light formed of step 2) Fluorescent component is single white fluorescence component, is specifically comprised the following steps:

Carrier 2-2) is provided, the fluorescent powder solution is deposited or is coated on the carrier, the carrier includes transparent The incident end face of substrate or dynamic optical filter, to form the fluorescent film on the carrier.

It is aobvious based on the color image of colored micro-display device described in any of the above-described scheme that the present invention also provides a kind of Show that method, the display methods of the color image include the following steps:

1) different sub- colour field ashes is extracted from each frame color image to be shown using the monochromatic LED micro display mould group Spend information, and successively excite the monochromatic light of varying strength within the time for forming each frame image according to the information of extraction, with It is formed the different sub- colour field grayscale informations extracted from the color image to be shown in time of each frame image by appointing Meaning sequence is successively shown；Wherein, the monochromatic LED micro display mould group extracts different sons from each frame color image to be shown Colour field grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue, or It includes red that the monochromatic LED micro display mould group extracts different sub- colour field grayscale informations from each frame color image to be shown Sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

2) monochromatic light that the monochromatic LED micro display mould group issues is projected in the form of real image using the imaging len In on the white fluorescence component, to excite the white fluorescence component to issue white light；

3) believed using the dynamic optical filter according to the sub- colour field gray scale of red described in the monochromatic LED micro display mould group The display time synchronization of breath, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue is in real time to described white The white light that light fluorescent component issues carries out feux rouges optical filtering, green light filters and blue light filters, required color image is finally presented.

As described above, display methods of the colored micro-display device of the invention and preparation method thereof with color image, has Below the utility model has the advantages that colored micro-display device of the invention is saturating in the setting imaging of the light-emitting surface side of monochromatic LED micro display mould group Mirror, so that the light that monochromatic LED micro display mould group issues is projeced into white light white fluorescence group via imaging len in the form of real image On part, the clearly demarcated white light microimage pixel array in gap is obtained, to mitigate the luminous cross-interference issue between each LED micro-pixels；Meanwhile The present invention realizes full-color micro display by the time mixing color technology of dynamic optical filter, so that colored micro-display device of the invention has There is higher resolution ratio.

Detailed description of the invention

Fig. 1 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention one.

Fig. 2 is shown as the enlarged structure schematic diagram of a-quadrant in Fig. 1.

Fig. 3 and Fig. 4 is shown as the block diagram of the driving backboard in the colored micro-display device provided in the embodiment of the present invention one.

Fig. 5 is shown as the timing and ash of tri- colour fields of RGB of the colored micro-display device provided in the embodiment of the present invention one Spend schematic diagram.

Fig. 6 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention two.

Fig. 7 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention three.

Fig. 8 is shown as the structural representation of white fluorescence component in the colored micro-display device provided in the embodiment of the present invention three Figure.

Fig. 9 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention four.

Figure 10 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention five.

Figure 11 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention six.

Figure 12 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention seven.

Figure 13 is shown as the cross section structure schematic diagram of the colored micro-display device provided in the embodiment of the present invention eight.

Figure 14 is shown as the flow chart of the production method of the colored micro-display device provided in the embodiment of the present invention nine.

Figure 15 is shown as the flow chart of the display methods of the color image provided in the embodiment of the present invention 13.

Component label instructions

1 monochromatic LED micro display mould group

11 driving backboards

111 video/image signal decoder modules

112 control modules

1121 main control chips

1122 frame image buffers

1123 pixel control units

12 LED micro-pixels array chips

121 substrates

122 first conduction type III-V nitride layers

123 LED micro-pixels

1231 quantum well layers

1232 second conduction type III-V nitride layers

1233 anodes

1234 cathodes

1235 passivation layers

2 imaging lens

21 lenticules

3 white fluorescence components

31 transparent substrates

32 fluorescent films

4 dynamic optical filters

5 solder structures

Specific embodiment

Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from Various modifications or alterations are carried out under spirit of the invention.

Fig. 1 is please referred to Figure 15.It should be noted that diagram provided in the present embodiment only illustrates this in a schematic way The basic conception of invention, though only show in diagram with related component in the present invention rather than package count when according to actual implementation Mesh, shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its Assembly layout form may also be increasingly complex.

Embodiment one

Referring to Fig. 1, the present invention provides a kind of colored micro-display device, the colour micro-display device includes: monochromatic LED Micro display mould group 1, imaging len 2, white fluorescence component 3 and dynamic optical filter 4；Wherein, the monochromatic LED micro display mould group 1 It is being formed often suitable for extracting unused sub- colour field grayscale information from each frame color image to be shown, and according to the information of extraction The monochromatic light of varying strength is successively excited in the time of one frame image, within the time for forming each frame image will from it is described to The different sub- colour field grayscale informations extracted in display color image are successively shown in any order；Wherein, the monochromatic LED is micro- It includes red sub- colour field that display module 1, which extracts different sub- colour field grayscale informations can be from each frame color image to be shown, Three different sub- colour field grayscale informations of grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue, institute Stating monochromatic LED micro display mould group 1 and extracting different sub- colour field grayscale informations from each frame color image to be shown to be Including red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field gray scale of white The different sub- colour field grayscale information of four of information；The imaging len 2 is located at the light out of the monochromatic LED micro display mould group 1 Face side, the monochromatic light suitable for issuing the monochromatic LED micro display mould group 1 are projeced into the white fluorescence in the form of real image On component 3；The white fluorescence component 3 includes at least fluorescent film 31, and the white fluorescence component 3 is located at the imaging len 2 Side far from the monochromatic LED micro display mould group 1, suitable for issuing white light under the monochromatic excitation of transmission；It is described Dynamic optical filter 4 is located at side of the white fluorescence component 3 far from the imaging len 2, is suitable for micro- according to the monochromatic LED The sub- colour field grayscale information of red described in display module 1, the sub- colour field grayscale information of the green and the sub- colour field gray scale of the blue The display time synchronization of information in real time to the white fluorescence component 3 issue white light carry out feux rouges optical filtering, green light filter and Blue light filters, required color image is finally presented.

It should be noted that when the monochromatic LED micro display mould group 1 extracts difference from each frame color image to be shown Sub- colour field grayscale information be include red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field gray scale letter of blue When three different sub- colour field grayscale informations of breath, the monochromatic LED micro display mould group 1 is within the time for forming each frame image By the sub- colour field grayscale information of red extracted from the color image to be shown, the sub- colour field grayscale information of green and the sub- color of blue Field grayscale information is successively shown in any order specifically: within the time of each frame image, the sub- colour field gray scale letter of red The display order of breath, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue can be red sub- colour field ash Spend the sub- sub- colour field grayscale information of colour field grayscale information-blue of information-green, or red sub- colour field grayscale information-blue The sub- sub- colour field grayscale information of colour field grayscale information-green, or the sub- colour field gray scale letter of the sub- colour field grayscale information-red of green The sub- colour field grayscale information of breath-blue, or the sub- sub- colour field grayscale information of the colour field grayscale information-blue-sub- color of red of green Field grayscale information, or the sub- sub- sub- colour field grayscale information of colour field grayscale information-green of colour field grayscale information-red of blue, It can also be the sub- sub- sub- colour field grayscale information of colour field grayscale information-red of colour field grayscale information-green of blue.

It should be noted that when the monochromatic LED micro display mould group 1 extracts difference from each frame color image to be shown Sub- colour field grayscale information be include red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field gray scale letter of blue When four different sub- colour field grayscale informations of breath and the sub- colour field grayscale information of white, the monochromatic LED micro display mould group 1 is in shape At in the time of each frame image by the sub- colour field grayscale information of red extracted from the color image to be shown, the sub- color of green The concrete scheme that field grayscale information, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white are successively shown in any order It can be the combination for as above stating such random order when three seed colour field grayscale informations.

It should be further noted that definition is in any order by the sub- colour field grayscale information of the red, green Colour field grayscale information and the sub- colour field grayscale information of the blue show and finish as a cycle, or by the sub- colour field ash of the red Spend information, the sub- colour field grayscale information of the green, the sub- colour field grayscale information of the blue and the sub- colour field grayscale information of the white Display is finished as a cycle, may include one, two or more above-mentioned periods within the time for forming each frame image, I.e. within the time for forming each frame image, the above-mentioned different sub- colour field grayscale information can be shown one in any order It is secondary, twice or repeatedly.

It should be further noted that the dotted line with the arrow in Fig. 1 and subsequent figure is the monochromatic LED micro display mould The monochromatic transmission path that group issues.

As an example, the monochromatic LED micro display mould group 1 includes: driving backboard 11 and upside-down mounting in the driving backboard 11 The LED micro-pixels array chip 12 on surface；The driving backboard 11 is suitable for receiving the color image to be shown, extracts each frame Different sub- colour field grayscale informations in the color image to be shown, and the LED micro-pixels are controlled according to the information of extraction The monochromatic light of the sending varying strength of array chip 12.The i.e. described driving backboard 11 is suitable for receiving the color image to be shown, mentions Take the sub- colour field grayscale information of red, the sub- colour field grayscale information of green and the sub- color of blue in color image to be shown described in each frame Field grayscale information, or extracting different sub- colour field grayscale informations from each frame color image to be shown includes red sub- colour field ash Spend information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white.

As an example, the monochromatic light that the LED micro-pixels array chip 12 issues may include blue light, purple light or ultraviolet Light.

As an example, the driving backboard 11 can be in a manner of pulse width modulation, current-modulation or voltage modulated Mode controls the monochromatic light that the LED micro-pixels array chip 12 issues varying strength.

As an example, as shown in Fig. 2, the LED micro-pixels array chip 12 includes: substrate 121；First conduction type III-V nitride layer 122, the first conduction type III-V nitride layer 122 are located at 121 surface of substrate；It is several A LED micro-pixels 123, the LED micro-pixels 123 are located at 122 surface of the first conduction type III-V nitride layer, and It is in array distribution on 122 surface of the first conduction type III-V nitride layer；Each LED micro-pixels 123 include: Quantum well layer 1231, the second conduction type III-V nitride layer 1232, anode 1233, cathode 1234 and passivation layer 1235；Institute It states quantum well layer 1231 and is located at 122 surface of the first conduction type III-V nitride layer, the second conduction type III- V group iii nitride layer 1232 is located at 1231 surface of Quantum Well, and the anode 1233 of the LED micro-pixels 123 is located at described second 1232 surface of conduction type III-V nitride layer, the quantum well layer 1231, the second conduction type iii-v nitridation Layer 1232 and the anode 1233 of the LED micro-pixels 123 collectively form the micro- table top of LED；The passivation layer 1235 is located at the LED Micro- table top surrounding side；The cathode 1234 of the LED micro-pixels 123 is located at the first conduction type III-V nitride layer 122 surfaces.

As an example, the spacing between the size of the micro- table top of LED and the adjacent micro- table top of the LED can be according to reality It is set, in one example, the size of the micro- table top of LED is 15 μm of 15 μ m, between the adjacent micro- table top of LED Spacing be 5 μm；Certainly, in other examples, between the specific size of the micro- table top of the LED and the adjacent micro- table top of the LED Spacing can also be set according to actual needs, dimensions indicated above is not limited.

It should be noted that in Fig. 1 for the ease of clearly show that each primary structure and its between positional relationship, in Fig. 1 In do not illustrate the cathode 1234 and the passivation layer 1235.

As an example, the LED micro-pixels array chip 12 can be by Flip chip in the driving backboard 11 Surface, i.e., as shown in Figure 1, the LED micro-pixels array chip 12 is bonded to the table of the driving backboard 11 by solder structure 5 Face, and the anode 1233 of the LED micro-pixels 123 in the LED micro-pixels array chip 12 via the solder structure 5 with The driving backboard 11 is connected.The solder structure 5 can be but be not limited only to indium column.

As an example, the substrate 121 is transparent substrates, specifically, the substrate 121 can be but be not limited only to blue treasured Stone lining bottom or silicon carbide substrates；The first conduction type III-V nitride layer 122 can be but be not limited only to N-shaped GaN Layer；The second conduction type III-V nitride layer 1232 can be but be not limited only to p-type GaN layer；The passivation layer 1235 It can be but be not limited only to silicon dioxide layer.

As an example, the thickness of the passivation layer 1235 can be but be not limited only to 150nm~200nm.The LED microimage Element 123 anode 1233 and cathode 1234 material can be but be not limited only to Cr, Ni, Au, Ag, Al, Pt, ITO, SnO, ZnO, The ohmic electrode materials such as Cr/Au or Ni/Au.The anode 1233 of the LED micro-pixels 123 and the thickness of cathode 1234 can be but It is not limited only to 1 μm~2 μm.

As an example, as shown in Figures 3 and 4, the driving backboard 11 includes: video/image signal decoder module 111, The video/image signal decoder module 111 is suitable for receiving each frame color image to be shown in video or image, to each frame Color image to be shown is analyzed and processed, and extracts the different sub- colour field grayscale informations in each frame color image to be shown； Wherein, the video/image signal decoder module 111 extracts different sub- colour field gray scales from each frame color image to be shown Information can be three for including red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue Different sub- colour field grayscale informations, the video/image signal decoder module 111 are extracted from each frame color image to be shown Different sub- colour field grayscale informations can also be include red sub- colour field grayscale information, the sub- colour field grayscale information of green, blue Four different sub- colour field grayscale informations of colour field grayscale information and the sub- colour field grayscale information of white；Control module 112, the control Molding block 112 is connected with the video/image signal decoder module 111 and each LED micro-pixels 123, is suitable for according to institute The different sub- colour field grayscale informations for stating the extraction of video/image signal decoder module 111 control each LED micro-pixels 123 and exist The monochromatic light that varying strength is successively excited in the time of each frame image is formed, with will be within the time for forming each frame image The different sub- colour field grayscale informations extracted in the color image to be shown are successively shown in any order.

In one example, as shown in figure 3, the control module 112 includes: main control chip 1121, at least two frame images Buffer 1122 and a pixel control unit 1123；The main control chip 1121 and the video/image signal decoder module 111 are connected, suitable for receiving in each frame color image to be shown that the video/image signal decoder module 111 extracts Different sub- colour field grayscale informations replaces the different sub- colour field grayscale informations of the color image to be shown of received different frame It is stored in the different frame image buffers 1122, and by the different sub- colour field gray scales of frame color image to be shown While information is stored in frame image buffer 1122, extracts and stored from another frame image buffer 1122 Previous frame color image to be shown different sub- colour field grayscale informations, and by the difference of the color image to be shown of extraction Sub- colour field grayscale information be sequentially output in any order to the pixel control unit 1123；The pixel control unit 1123 Be connected with the main control chip 1121 and each LED micro-pixels 123, suitable for according to the main control chip 1121 extract to The different sub- colour field grayscale informations of display color image control each LED micro-pixels 123 formed each frame image when In successively excite the monochromatic light of varying strength, with will be from the color image to be shown within the time for forming each frame image The different sub- colour field grayscale informations of middle extraction are successively shown in any order.

In another example, as shown in figure 4, the quantity of the pixel control unit 1123 and the LED micro-pixels 123 Quantity is identical, and each pixel control unit 123 is connected with the main control chip 1121, and each pixel control unit 1123 connect one to one with each LED micro-pixels 123.Each described pixel control unit 1123 controls corresponding company The LED micro-pixels 123 connect.

As an example, when the driving backboard 11 extracts different sub- colour field gray scales from each frame color image to be shown Information is three differences for including red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue Sub- colour field grayscale information when, as shown in figure 5, the driving backboard 11 can be corresponding by color image to be shown described in each frame Time T point be three timing, i.e. the first timing T1, the second timing T2 and third timing T3, the driving backboard 11 is each The control LED micro-pixels array chip 12 is successively displayed in red sub- colour field grayscale information PR, the sub- colour field gray scale of green in timing Information PG, the sub- colour field grayscale information PB of blue, i.e., controlled in the first timing T1 the LED micro-pixels array chip 12 show it is red Dice colour field grayscale information PR controls the LED micro-pixels array chip 12 in the second timing T2 and shows the sub- colour field ash of green Information PG is spent, the LED micro-pixels array chip 12 is controlled in third timing T3 and is displayed in blue sub- colour field grayscale information PB.It needs It is noted that Fig. 5 is only a kind of example, it is brilliant that the driving backboard 11 controls the LED microimage pixel array in each timing The sequence for the sub- colour field grayscale information that piece 12 is shown can be adjusted arbitrarily according to actual needs.It should be further noted that institute The corresponding time T of color image to be shown described in each frame can also be divided for multiple timing by stating driving backboard 11, at this point, each The integral multiple that the when ordinal number for including in the corresponding time T of color image to be shown described in frame is three, with ensure will the red son Colour field grayscale information, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue recycle display in any order At least twice.

As an example, when the driving backboard 11 extracts different sub- colour field gray scales from each frame color image to be shown Information be include red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- color of white When four different sub- colour field grayscale informations of field grayscale information, the driving backboard 11 can be by coloured silk to be shown described in each frame Chromatic graph is four timing as corresponding time T point, i.e. the first timing T1, the second timing T2, third timing T3 and the 4th timing T4, The driving backboard 11 controls the LED micro-pixels array chip 12 in each timing and is successively displayed in red sub- colour field gray scale letter Ceasing PR, the sub- colour field grayscale information PG of green, the sub- colour field grayscale information PB of blue and the sub- colour field grayscale information PW of white for example can It is displayed in red sub- colour field grayscale information PR to control the LED micro-pixels array chip 12 in the first timing T1, at second The control LED micro-pixels array chip 12 shows the sub- colour field grayscale information PG of green in sequence T2, controls in third timing T3 The LED micro-pixels array chip 12 is displayed in blue sub- colour field grayscale information PB, and the LED microimage is controlled in the 4th timing T4 Pixel array chip 12 is displayed in white sub- colour field grayscale information PW.Certainly, in other examples, the driving backboard 11 is when each The sequence for the sub- colour field grayscale information that the control LED micro-pixels array chip 12 is shown in sequence can be any according to actual needs Adjustment.It should be noted that the driving backboard 11 can also be time T points corresponding by color image to be shown described in each frame For multiple timing, at this point, the integer that the when ordinal number for including in the corresponding time T of color image to be shown described in each frame is four Times, to ensure the sub- colour field grayscale information of the red, the sub- colour field grayscale information of the green, the sub- colour field gray scale letter of the blue Breath and the sub- colour field grayscale information of the white recycle display at least twice in any order.

As an example, the frequency of the color image frames to be shown can be but be not limited only to 60Hz or 75Hz.

As an example, as shown in Figure 1, the imaging len 2 can be simple lens or compound lens, the imaging len 2 One block size area is greater than or equal to the lens arrangement of the dimensioned area of the LED micro-pixels array chip 12, i.e., the described imaging Lens 2 are one piece of integral structure, and when the imaging len 2 is correspondingly arranged with about the 12 LED micro-pixels array chip, The imaging len 2 is greater than the LED microimage pixel array crystalline substance in the projection of the plane where the LED micro-pixels array chip 12 The area of piece 12；The imaging len 2 and the light-emitting surface of the monochromatic LED micro display mould group 1 have certain spacing, it is described at As the optical axis of lens 2 is vertical with the light-emitting surface of the monochromatic LED micro display mould group 1, it is suitable for each LED micro-pixels 123 The monochromatic light of sending is projeced on the white fluorescence component 3 in the form of real image.By adjusting the imaging len 2 with it is described The distance of the light-emitting surface of monochromatic LED micro display mould group 1 and the monochrome can be made at a distance from the white fluorescence component 3 The monochromatic light that LED micro display mould group 1 issues is transmitted in the form of real image on the white fluorescence component 3.

As an example, the fluorescent film 32 adheres on as shown in Figure 1, the fluorescent film 32 includes single transparent fluorescent film The surface of one transparent substrate 31, i.e., the described white fluorescence component 3 is including the transparent substrate 31 and adheres on the transparent substrate The fluorescent film 32 of one layer of 31 surfaces, also that is, in the present embodiment, the fluorescent film 32 is size and the transparent substrate 31 The comparable membrane structure of size.The surface of the fluorescent film 32 is parallel with the light-emitting surface of the monochromatic LED micro display mould group 1.Institute State fluorescent film 32 be highly transparent and uniform film layer, can the monochromatic LED micro display mould group 1 issue blue light, purple light Or white light is generated under the excitation of ultraviolet light, i.e., each LED micro-pixels 123 issue in the described monochromatic LED micro display mould group 1 Monochromatic light is via transmission is on the fluorescent film 32 in the form of real image after the imaging len 2, and the fluorescent film 32 is described Under monochromatic excitation issue white light LEDs real image array, the white light LEDs real image array by with 123 quantity of LED micro-pixels Identical white light real image unit forms, and each dashed region in fluorescent film 32 described in Fig. 1 is the LED micro-pixels The 123 light activated white light real image units of monochrome issued.The white fluorescence component 3 and the imaging len 2 and described A fixed spacing is all had between dynamic optical filter 4.

Being with the different sub- colour field grayscale informations extracted from color image to be shown described in each frame includes red Sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information three different sub- colour field grayscale informations of blue As an example, due to exciting the monochromatic light of the fluorescent film 32 will be from described to be shown within the time for the image for forming each frame The sub- colour field grayscale information of red, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue extracted in color image gives With display, therefore, the white light that the fluorescent film 32 issues includes being corresponding to it equally within the time for the image for forming each frame The color image to be shown in the sub- colour field grayscale information of red, the sub- colour field grayscale information of green and the sub- colour field of blue extracted Grayscale information.Please continue to refer to Fig. 5, i.e., in the first timing T1, the white light LEDs real image array is displayed in red sub- colour field gray scale Information PR；In the second timing T2, the sub- colour field grayscale information PG of the white light LEDs real image array display green；In third timing In T3, the white light LEDs real image array is displayed in blue sub- colour field grayscale information PB, i.e., within the time for forming a frame image, institute State the gray level image for successively presenting on fluorescent film 32 and respectively including three width black and white of three different sub- colour fields.Equally, it needs It is bright, the ash for the sub- colour field that the white light LEDs real image array that the fluorescent film 32 issues is shown within the time of each frame image The grayscale information of sub- colour field for including in degree information and the monochromatic light that the LED micro-pixels 123 issue is consistent.

Certainly, the different sub- colour field grayscale informations extracted from color image to be shown described in each frame be include red Dice colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information four of white When a different sub- colour field grayscale information, similarly, since exciting the monochromatic light of the fluorescent film 32 in the image for forming each frame Time in will be extracted from the color image to be shown the sub- colour field grayscale information of red, the sub- colour field grayscale information of green, The sub- colour field grayscale information of blue and the sub- colour field grayscale information of white shown, therefore, the white light that the fluorescent film 32 issues It equally include red extracted in the corresponding color image to be shown within the time for the image for forming each frame Colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white light.

As an example, the material of the transparent substrate 31 may include unorganic glass, organic glass, sapphire or other thoroughly Bright colourless material.

In this example, the white fluorescence component 3 including the transparent substrate 31 and the fluorescent film 32 with it is described 4 phase of dynamic optical filter is across a certain distance.

As an example, the dynamic optical filter 4 at least has, feux rouges filters, green light filters and blue light three kinds of optical filtering function of optical filtering Can, the dynamic optical filter 4 includes tunable LCD filters or (the i.e. adjustable mechanical colour wheel optical filtering of mechanical optical filter Device).Equally by taking the timing diagram in Fig. 5 as an example, in the first timing T1, the dynamic optical filter 4 carries out feux rouges optical filtering, to obtain Red sub- colour field image, in the second timing T2, the dynamic optical filter 4 carries out green light optical filtering, to obtain the sub- colour field figure of green Picture, in third timing T3, the dynamic optical filter 4 carries out blue light optical filtering, to obtain the sub- colour field image of blue, three kinds of colors Grayscale image is superimposed colour mixture in time, and color image is finally presented.Equally, it should be noted that the dynamic optical filter 4 is every The grayscale information one for the sub- colour field for including in the monochromatic light issued with the LED micro-pixels 123 is carried out in the time of one frame image The color of cause filters.

It should be noted that when the different sub- colour field gray scale letters extracted from color image to be shown described in each frame Breath be include red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field of white When grayscale information four different sub- colour field grayscale informations, the dynamic optical filter 4 is also in red sub- colour field grayscale information It carries out feux rouges in the timing of display to filter to obtain red sub- colour field image, in the timing that the sub- colour field grayscale information of green is shown It carries out green light to filter to obtain the sub- colour field image of green, blue light optical filtering is carried out in the timing that blue photons colour field grayscale information is shown It is directly white light to obtain the sub- colour field image of blue, and without filtering in the timing that the sub- colour field grayscale information of white is shown Through, and the sub- colour field grayscale information of white is obtained, display brightness can be improved.

In one example, the dynamic optical filter 4 can be controlled and the monochromatic LED by outer synchronous signal S signal The sub- colour field grayscale information of red described in micro display mould group 1, the sub- colour field grayscale information of the green and the sub- colour field ash of the blue The display time synchronization for spending information carries out feux rouges optical filtering to the white light that the white fluorescence component 3 issues in real time, green light filters And blue light filters.

In another example, the dynamic optical filter 4 is connected with the driving backboard 11,11 foundation of driving backboard The information of extraction controls the LED micro-pixels array chip 12 and issues the monochromatic of varying strength while controlling the dynamic filter Light device 4 synchronizes optical filtering.

Embodiment two

Referring to Fig. 6, the present embodiment also provides a kind of colored micro-display device, colored micro display described in the present embodiment The structure of device is roughly the same with the structure of colored micro-display device described in embodiment one, and the difference of the two is: implementing In example one, the imaging len 2 is the lens arrangement of one piece of one, and in the present embodiment, the imaging len 2 be with it is described The one-to-one microlens array of LED micro-pixels 123, i.e., the described imaging len 2 include multiple lenticules 21, and the lenticule 21 quantity is identical as the quantity of the LED micro-pixels 123, and is arranged in a one-to-one correspondence with the LED micro-pixels 123.Each The lenticule 21 in the form of real image for being transmitted the monochromatic light that the corresponding LED micro-pixels 123 issue in institute It states on fluorescent film 32.

Colored micro display described in the other structures Yu embodiment one of colored micro-display device described in the present embodiment The other structures of device are identical, referring specifically to embodiment one, are not repeated herein.

Embodiment three

Fig. 7 and Fig. 8 is please referred to, the present embodiment also provides a kind of colored micro-display device, colour described in the present embodiment The structure of micro-display device is roughly the same with the structure of colored micro-display device described in embodiment one, and the difference of the two exists In: in embodiment one, the fluorescent film 32 is one layer of membrane structure for adhering on 31 surface of transparent substrate, and the present embodiment In, the fluorescent film 32 is and the one-to-one fluorescence membrane array of the LED micro-pixels 123, i.e., the quantity of the described fluorescent film 32 Identical as the quantity of the LED micro-pixels 123, multiple fluorescent films 32 are on the surface of the transparent substrate 31 in array point Cloth, and the fluorescent film 32 is arranged in a one-to-one correspondence with the LED micro-pixels 123.Each fluorescent film 32 is used for corresponding White light is issued under the monochromatic excitation that the LED micro-pixels 123 issue.

Example IV

Referring to Fig. 9, the present embodiment also provides a kind of colored micro-display device, colored micro display described in the present embodiment The structure of device is roughly the same with the structure of colored micro-display device described in embodiment two, and the difference of the two is: implementing In example two, the fluorescent film 32 is one layer of membrane structure for adhering on 31 surface of transparent substrate, and in the present embodiment, it is described Fluorescent film 32 be with the one-to-one fluorescence membrane array of the LED micro-pixels 123, i.e., the quantity of the described fluorescent film 32 with it is described The quantity of LED micro-pixels 123 is identical, and multiple fluorescent films 32 are in array distribution, and institute on the surface of the transparent substrate 31 Fluorescent film 32 is stated to be arranged in a one-to-one correspondence with the LED micro-pixels 123.Each fluorescent film 32 is used in the corresponding LED White light is issued under the monochromatic excitation that micro-pixels 123 issue.

Colored micro display described in the other structures Yu embodiment two of colored micro-display device described in the present embodiment The other structures of device are identical, referring specifically to embodiment two, are not repeated herein.

Embodiment five

Referring to Fig. 10, the present embodiment also provides a kind of colored micro-display device, colour described in the present embodiment is micro- aobvious Show that the structure of device is roughly the same with the structure of colored micro-display device described in embodiment one, the difference of the two is: real It applies in example one, the white fluorescence component 3 includes transparent substrate 31 and one layer of fluorescence for adhering on 31 surface of transparent substrate Film 32 all has a fixed spacing between the white fluorescence component 3 and the imaging len 2 and the dynamic optical filter 4；And this In embodiment, the white fluorescence component 3 only includes fluorescent film 32, and the fluorescent film 32 adheres on the dynamic optical filter 4 The plane of incidence.

Embodiment six

Figure 11 is please referred to, the present embodiment also provides a kind of colored micro-display device, and colour described in the present embodiment is micro- aobvious Show that the structure of device is roughly the same with the structure of colored micro-display device described in embodiment five, the difference of the two is: real Apply in example five, the imaging len 2 is the lens arrangement of one piece of one, and in the present embodiment, the imaging len 2 be with it is described The one-to-one microlens array of LED micro-pixels 123, i.e., the described imaging len 2 include multiple lenticules 21, and the lenticule 21 quantity is identical as the quantity of the LED micro-pixels 123, and is arranged in a one-to-one correspondence with the LED micro-pixels 123.Each The lenticule 21 in the form of real image for being transmitted the monochromatic light that the corresponding LED micro-pixels 123 issue in institute It states on fluorescent film 32.

Colored micro display described in the other structures Yu embodiment five of colored micro-display device described in the present embodiment The other structures of device are identical, referring specifically to embodiment five, are not repeated herein.

Embodiment seven

Figure 12 is please referred to, the present embodiment also provides a kind of colored micro-display device, and colour described in the present embodiment is micro- aobvious Show that the structure of device is roughly the same with the structure of colored micro-display device described in embodiment five, the difference of the two is: real It applies in example five, the fluorescent film 32 is the membrane structure of one layer of plane of incidence for adhering on the dynamic optical filter 4, and the present embodiment In, the fluorescent film 32 is and the one-to-one fluorescence membrane array of the LED micro-pixels 123, i.e., the quantity of the described fluorescent film 32 Identical as the quantity of the LED micro-pixels 123, multiple fluorescent films 32 are in array in the plane of incidence of the dynamic optical filter 4 Distribution, and the fluorescent film 32 is arranged in a one-to-one correspondence with the LED micro-pixels 123.Each fluorescent film 32 is used for corresponding The LED micro-pixels 123 issue monochromatic excitation under issue white light.

Embodiment eight

Figure 13 is please referred to, the present embodiment also provides a kind of colored micro-display device, and colour described in the present embodiment is micro- aobvious Show that the structure of device is roughly the same with the structure of colored micro-display device described in embodiment six, the difference of the two is: real It applies in example six, the fluorescent film 32 is the membrane structure of one layer of plane of incidence for adhering on the dynamic optical filter 4, and the present embodiment In, the fluorescent film 32 is and the one-to-one fluorescence membrane array of the LED micro-pixels 123, i.e., the quantity of the described fluorescent film 32 Identical as the quantity of the LED micro-pixels 123, multiple fluorescent films 32 are in array in the plane of incidence of the dynamic optical filter 4 Distribution, and the fluorescent film 32 is arranged in a one-to-one correspondence with the LED micro-pixels 123.Each fluorescent film 32 is used for corresponding The LED micro-pixels 123 issue monochromatic excitation under issue white light.

Colored micro display described in the other structures Yu embodiment six of colored micro-display device described in the present embodiment The other structures of device are identical, referring specifically to embodiment six, are not repeated herein.

Embodiment nine

Figure 14 is please referred to, the present invention also provides a kind of production method of colored micro-display device, the colour micro-display The production method of part is suitable for production colored micro-display device as described in embodiment one or embodiment two, the colour micro display The production method of device includes the following steps:

1) monochromatic LED micro display mould group is prepared, the monochromatic LED micro display mould group is suitable for mentioning from color image to be shown Different sub- colour field grayscale informations is taken, and successively excitation is different strong within the time for forming each frame image according to the information of extraction The monochromatic light of degree, with the different sub- colors that will be extracted from the color image to be shown within the time for forming each frame image Field grayscale information is successively shown in any order；Wherein, the monochromatic LED micro display mould group is from each frame color image to be shown The different sub- colour field grayscale information of middle extraction includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- color of blue Field grayscale information or the monochromatic LED micro display mould group extract different sub- colour field ashes from each frame color image to be shown Spending information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- color of white Field grayscale information；

In step 1), the S1 step in Figure 14 is please referred to, prepares monochromatic LED micro display mould group, the monochromatic LED is micro- aobvious Show that mould group is suitable for extracting different sub- colour field grayscale informations from color image to be shown, and is being formed often according to the information of extraction The monochromatic light of varying strength is successively excited in the time of one frame image, within the time for forming each frame image will from it is described to The different sub- colour field grayscale informations extracted in display color image are successively shown in any order；Wherein, the monochromatic LED is micro- It includes red sub- colour field gray scale letter that display module extracts different sub- colour field grayscale informations from each frame color image to be shown Breath, the sub- colour field grayscale information of green and blue sub- colour field grayscale information or the monochromatic LED micro display mould group wait showing from each frame Show that it includes red sub- colour field grayscale information, the sub- colour field gray scale letter of green that different sub- colour field grayscale informations is extracted in color image Breath, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white.

As an example, preparing monochromatic LED micro display mould group in step 1) and including the following steps:

1-3) passivation layer is formed in the micro- table top surrounding side the LED；The thickness of the passivation layer can be but not only limit In 150nm~200nm；

1-4) the second conduction type III-V nitride layer surface in the micro- table top of the LED forms anode, and Cathode is formed in exposed the first conduction type III-V nitride layer surface；The anode, the quantum well layer, institute It states the second conduction type III-V nitride layer, the cathode and the passivation layer and collectively forms LED micro-pixels, each LED LED microimage pixel array is collectively formed in micro-pixels；Specifically, wanting shape firstly, corresponding to by ICP etching technics in the passivation layer Through-hole up and down is formed at the position of the anode and the cathode, 1 μm~2 μm of gold is then deposited in the through-hole Belong to；Finally, removing anode and cathode that the extra metal except the through-hole forms the LED micro-pixels；

Driving backboard 1-5) is provided, the driving backboard includes video/image signal decoder module and control module, described Video/image signal decoder module is suitable for receiving each frame color image to be shown in video or image, to be shown to each frame Color image is analyzed and processed, and extracts the different sub- colour field grayscale informations in each frame color image to be shown；The control Molding block is connected with the video/image signal decoder module and each LED micro-pixels, is suitable for according to the video/figure As the different sub- colour field grayscale informations that signal decoder module extracts control each LED micro-pixels in each frame image of formation The monochromatic light of varying strength is excited in time, successively with will be from the cromogram to be shown within the time for forming each frame image The different sub- colour field grayscale informations extracted as in are successively shown in any order；Wherein, the video/image signal decodes mould The different sub- colour field grayscale informations that block is extracted from each frame color image to be shown include red sub- colour field grayscale information, green Dice colour field grayscale information and blue sub- colour field grayscale information or the video/image signal decoder module wait showing from each frame Show that it includes red sub- colour field grayscale information, the sub- colour field gray scale letter of green that different sub- colour field grayscale informations is extracted in color image Breath, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

1-6) structural bond for obtaining step 1-4) is together in the driving backboard, the anode surface of the LED micro-pixels Bonding face, and the anode of the LED micro-pixels is connected with the driving backboard, i.e., the described LED micro-pixels array chip and institute State driving backboard back bonding.

As an example, the control module includes: main control chip, at least two frame image buffers and a pixel control Unit；The main control chip is connected with the video/image signal decoder module, is suitable for receiving the video/image signal The different sub- colour field grayscale informations in each frame color image to be shown that decoder module extracts, by received different frame to The different sub- colour field grayscale informations of display color image are alternately stored in the different frame image buffers, and by one While the different sub- colour field grayscale informations of frame color image to be shown are stored in a frame image buffer, from another institute The different sub- colour field grayscale informations for the color image to be shown that stored previous frame is extracted in frame image buffer are stated, and will The different sub- colour field grayscale informations of the color image to be shown extracted are sequentially output in any order to the pixel and control list Member；The pixel control unit is connected with the main control chip and each LED micro-pixels, is suitable for according to the main control chip The different sub- colour field grayscale informations of the color image to be shown extracted control each LED micro-pixels and are forming each frame image Time in successively excite the monochromatic light of varying strength, with will be from the colour to be shown within the time for forming each frame image The different sub- colour field grayscale informations extracted in image are successively shown in any order.

As an example, the quantity of the pixel control unit can also be identical as the quantity of the LED micro-pixels, it is each described Pixel control unit is connected with the main control chip, and each pixel control unit and each LED micro-pixels are one by one It is correspondingly connected with.

In step 2), the S2 step in Figure 14 is please referred to, prepares white fluorescence component, the white fluorescence component is in institute It states and issues white light under the monochromatic excitation of monochromatic LED micro display mould group sending.

As an example, step 2) specifically comprises the following steps:

Carrier 2-2) is provided, in the present embodiment, the carrier is transparent substrate, and the fluorescent powder solution is deposited or is coated In the carrier surface, to form the fluorescent film on the carrier；In the present embodiment, the fluorescent film of formation is strictly according to the facts Apply that fluorescent film described in example one or embodiment two is identical, i.e., the described fluorescent film is one layer and adheres on the transparent substrate surface Membrane structure.

In step 3), the S3 step in Figure 14 is please referred to, imaging len and dynamic optical filter are provided, the dynamic filters Device is suitable for according to the sub- colour field gray scale letter of the sub- colour field grayscale information of red, the green described in the monochromatic LED micro display mould group Breath and the sub- colour field grayscale information of the blue display time synchronization in real time to the white fluorescence component sending white light into Row feux rouges filters, green light filters and blue light filters, required color image is finally presented；The imaging len is placed in described The light-emitting surface side of monochromatic LED micro display mould group；The white fluorescence component is placed in the imaging len far from the monochrome The side of LED micro display mould group, and the white fluorescence component is located on the imaging plane of the imaging len；By the dynamic Optical filter is placed in the side of the white fluorescence component far from the imaging len.

As an example, the monochromatic LED micro display mould group, the imaging len, the white fluorescence component and described dynamic State optical filter is successively intervally arranged, i.e., all has a fixed spacing between each device.Meanwhile the optical axis of the imaging len with it is described The light-emitting surface of monochromatic LED micro display mould group is vertical, the surface of the fluorescent film in the white fluorescence component and the monochrome The light-emitting surface of LED micro display mould group is parallel, adjusts the imaging len and the monochromatic LED micro display mould group and the fluorescent film Spacing so that the LED micro-pixels are projeced into the corresponding position of the fluorescent film via the real image that the imaging len is formed On.

As an example, the imaging len can be to apply the lens arrangement for shown in example one being one piece of one strictly according to the facts, it can also To be and the one-to-one microlens array of LED micro-pixels as shown in embodiment two.

Embodiment ten

The present invention also provides a kind of production method of colored micro-display device, colored micro-display device in the present embodiment Production method is roughly the same with the production method of colored micro-display device described in embodiment nine, and the difference of the two is: real The production method for applying colored micro-display device described in example nine is suitable for production coloured silk as described in embodiment one or embodiment two Color micro-display device, and the production method of colored micro-display device described in the present embodiment is suitable for production such as embodiment three or real Apply colored micro-display device described in example four, the i.e. production method and implementation of colored micro-display device described in the present embodiment The specific method that white fluorescence component is prepared in the production method of colored micro-display device described in example nine is different, and what is obtained is white The specific structure of light fluorescent component is different, specifically, preparing the white fluorescence component in embodiment nine and specifically including following step It is rapid: 2-1) fluorescent dye and film forming agent are provided, fluorescent dye and film forming agent are made into fluorescent powder solution by required；2-2) mention For carrier, in the present embodiment, the carrier is transparent substrate, the fluorescent powder solution is deposited or is coated on the carrier table Face, to form the fluorescent film on the carrier, the fluorescent film of formation is as described in embodiment one or embodiment two Fluorescent film it is identical, i.e., the described fluorescent film is one layer of membrane structure for adhering on the transparent substrate surface；And in the present embodiment, Prepare the white fluorescence component and specifically comprise the following steps: 2-1) fluorescent dye and film forming are provided Fluorescent dye and film forming agent are made into fluorescent powder solution by required by agent；Carrier 2-2) is provided, the fluorescent powder solution is steamed Plating is coated on the carrier, and the carrier is transparent substrate, to form the phosphor film layer on the carrier；2-3) exist The phosphor film layer surface coats photoresist, by photoetching, development and etching technics to phosphor film layer processing to be formed such as Described in embodiment three or example IV with the one-to-one fluorescence membrane array of the LED micro-pixels.

Embodiment 11

The present invention also provides a kind of production method of colored micro-display device, colored micro-display device in the present embodiment Production method is roughly the same with the production method of colored micro-display device described in embodiment nine, and the difference of the two is: real The production method for applying colored micro-display device described in example nine is suitable for production coloured silk as described in embodiment one or embodiment two Color micro-display device, and the production method of colored micro-display device described in the present embodiment is suitable for production such as embodiment five or real Apply colored micro-display device described in example six, the i.e. production method and implementation of colored micro-display device described in the present embodiment The specific structure of white fluorescence component is different in the production method of colored micro-display device described in example nine, also that is, this implementation The production method of colored micro-display device described in the production method and embodiment nine of colored micro-display device described in example The middle carrier for forming the fluorescent film is different；In embodiment nine, the white fluorescence component includes transparent substrate and fluorescent film, institute Stating transparent substrate is the carrier to form the fluorescent film；And in the present embodiment, the white fluorescence component only includes fluorescent film, institute The carrier for stating fluorescent film is the dynamic optical filter, i.e., the described fluorescent film is formed in the plane of incidence of the dynamic optical filter.

Embodiment 12

The present invention also provides a kind of production method of colored micro-display device, colored micro-display device in the present embodiment Production method is roughly the same with the production method of colored micro-display device described in embodiment ten, and the difference of the two is: real The production method for applying colored micro-display device described in example ten is suitable for production coloured silk as described in embodiment three or example IV Color micro-display device, and the production method of colored micro-display device described in the present embodiment is suitable for production such as embodiment seven or real Apply colored micro-display device described in example eight, the i.e. production method and implementation of colored micro-display device described in the present embodiment The specific structure of white fluorescence component is different in the production method of colored micro-display device described in example ten, also that is, this implementation The production method of colored micro-display device described in the production method and embodiment ten of colored micro-display device described in example The middle carrier for forming the fluorescent film is different；In embodiment ten, the white fluorescence component includes transparent substrate and fluorescent film, institute Stating transparent substrate is the carrier to form the fluorescent film；And in the present embodiment, the white fluorescence component only includes fluorescent film, institute The carrier for stating fluorescent film is the dynamic optical filter, i.e., the described fluorescent film is formed in the plane of incidence of the dynamic optical filter.

Embodiment 13

Figure 15 is please referred to, the present invention also provides a kind of display methods of color image, the display methods of the color image Based on the colored micro-display device as described in any embodiment into embodiment eight of embodiment one, the display of the color image Method includes the following steps:

3) believed using the dynamic optical filter according to the sub- colour field gray scale of red described in the monochromatic LED micro display mould group The display time synchronization of breath, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue is in real time to described white The white light that light fluorescent component issues carries out feux rouges optical filtering, green light filters and blue light filters, red sub- colour field image, the sub- colour field of green Image and the sub- colour field image of blue, the grayscale image of three kinds of colors is superimposed colour mixture in time, required cromogram is finally presented Picture.

In conclusion the present invention provides a kind of display side of the colored micro-display device and preparation method thereof with color image Method, the colour micro-display device include: that monochromatic LED micro display mould group, imaging len, white fluorescence component and dynamic filter Device；Wherein, the monochromatic LED micro display mould group is suitable for extracting different sub- colour field gray scales from each frame color image to be shown Information, and the monochromatic light of varying strength is successively excited according to the information of extraction within the time for forming each frame image, in shape At in the time of each frame image by the different sub- colour field grayscale informations extracted from the color image to be shown by any Sequence is successively shown；Wherein, the monochromatic LED micro display mould group extracts different sub- colors from each frame color image to be shown Field grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information of blue or institute Stating monochromatic LED micro display mould group and extracting different sub- colour field grayscale informations from each frame color image to be shown includes red son Colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；It is described at As lens are located at the light-emitting surface side of the monochromatic LED micro display mould group, suitable for what the monochromatic LED micro display mould group was issued Monochromatic light is projeced on the white fluorescence component in the form of real image；The white fluorescence component includes at least fluorescent film, institute It states white fluorescence component and is located at side of the imaging len far from the monochromatic LED micro display mould group, suitable for the institute in transmission It states and issues white light under monochromatic excitation；The dynamic optical filter is located at the white fluorescence component far from the imaging len Side is suitable for according to the sub- colour field grayscale information of red described in the monochromatic LED micro display mould group, the sub- colour field gray scale of the green The white light that information and the display time synchronization of the sub- colour field grayscale information of the blue in real time issue the white fluorescence component It carries out feux rouges optical filtering, green light optical filtering and blue light to filter, required color image is finally presented.Colored micro-display of the invention Imaging len is arranged in the light-emitting surface side of monochromatic LED micro display mould group in part, so that the light warp that monochromatic LED micro display mould group issues It is projeced into the form of real image by imaging len on white light white fluorescence component, obtains the clearly demarcated white light microimage pixel array in gap, So as to mitigate the luminous cross-interference issue between each LED micro-pixels；Meanwhile the present invention is by the time mixing color of dynamic optical filter Technology realizes full-color micro display, so that colored micro-display device resolution ratio with higher of the invention.

The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as At all equivalent modifications or change, should be covered by the claims of the present invention.

Claims

1. it is a kind of colour micro-display device, which is characterized in that it is described colour micro-display device include: monochromatic LED micro display mould group, Imaging len, white fluorescence component and dynamic optical filter；Wherein,

The monochromatic LED micro display mould group is suitable for extracting different sub- colour field gray scale letters from each frame color image to be shown It ceases, and successively excites the monochromatic light of varying strength within the time for forming each frame image according to the information of extraction, to be formed By the different sub- colour field grayscale informations extracted from the color image to be shown by any suitable in the time of each frame image Sequence is successively shown；Wherein, the monochromatic LED micro display mould group extracts different sub- colour fields from each frame color image to be shown Grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information or described of blue It includes red sub- color that monochromatic LED micro display mould group extracts different sub- colour field grayscale informations from each frame color image to be shown Field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

The imaging len is located at the light-emitting surface side of the monochromatic LED micro display mould group, is suitable for the monochromatic LED micro display The monochromatic light that mould group issues is projeced on the white fluorescence component in the form of real image；

The white fluorescence component includes at least fluorescent film, and the white fluorescence component is located at the imaging len far from the list The side of color LED micro display mould group, suitable for issuing white light under the monochromatic excitation of transmission；

The dynamic optical filter is located at the side of the white fluorescence component far from the imaging len, is suitable for according to the monochrome The sub- colour field grayscale information of red described in LED micro display mould group, the sub- colour field grayscale information of the green and the sub- colour field of blue The display time synchronization of grayscale information carries out feux rouges optical filtering to the white light that the white fluorescence component issues in real time, green light filters And blue light filters, required color image is finally presented.

2. colour micro-display device according to claim 1, it is characterised in that: the monochromatic LED micro display mould group includes: Drive backboard and upside-down mounting in the LED micro-pixels array chip of the driving back plate surface；

The driving backboard is suitable for receiving the color image to be shown, extracts in color image to be shown described in each frame not Same sub- colour field grayscale information, and the information according to extraction controls the list that the LED micro-pixels array chip issues varying strength Coloured light；Wherein, the different sub- colour field grayscale informations for driving backboard to extract from each frame color image to be shown include Red sub- colour field grayscale information, the sub- colour field grayscale information of green and blue sub- colour field grayscale information or the driving backboard are from every It includes red sub- colour field grayscale information, the sub- colour field of green that different sub- colour field grayscale informations is extracted in one frame color image to be shown Grayscale information, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white.

3. colour micro-display device according to claim 2, it is characterised in that: the LED micro-pixels array chip issues Monochromatic light include blue light, purple light or ultraviolet light.

4. colour micro-display device according to claim 2, it is characterised in that: the dynamic optical filter and the driving are carried on the back Plate is connected, and the driving backboard controls the list that the LED micro-pixels array chip issues varying strength according to the information extracted The dynamic optical filter is controlled while coloured light to filter.

5. colour micro-display device according to claim 2, it is characterised in that: the driving backboard is modulated with pulse width Mode, current-modulation mode or voltage modulated mode control the monochromatic light that the LED micro-pixels array chip issues varying strength.

6. colour micro-display device according to claim 2, it is characterised in that: the LED micro-pixels array chip includes:

Substrate；

Several LED micro-pixels are located at the first conduction type III-V nitride layer surface, and conductive described first Type-iii-V group-III nitride layer surface is in array distribution；Each LED micro-pixels include: quantum well layer, the second conduction type III-V nitride layer, anode, cathode and passivation layer；The quantum well layer is located at the first conduction type iii-v nitridation Nitride layer surface, the second conduction type III-V nitride layer are located at the Quantum Well surface, the sun of the LED micro-pixels Pole is located at the second conduction type III-V nitride layer surface, the quantum well layer, the second conduction type III-V Race's nitration case and the anode of the LED micro-pixels collectively form the micro- table top of LED；The passivation layer is located at the micro- table top four of the LED All sides；The cathode of the LED micro-pixels is located at the first conduction type III-V nitride layer surface.

7. colour micro-display device according to claim 6, it is characterised in that: the driving backboard includes:

Video/image signal decoder module is suitable for receiving each frame color image to be shown in video or image, wait for each frame Display color image is analyzed and processed, and extracts the different sub- colour field grayscale informations in each frame color image to be shown；

Control module is connected with the video/image signal decoder module and each LED micro-pixels, is suitable for according to described in It is each in formation that the different sub- colour field grayscale informations that video/image signal decoder module extracts control each LED micro-pixels The monochromatic light of varying strength is excited in the time of frame image, successively with will be from described to aobvious within the time for forming each frame image Show that the different sub- colour field grayscale informations extracted in color image are successively shown in any order.

8. it is according to claim 7 colour micro-display device, it is characterised in that: the control module include: main control chip, At least two frame image buffers and at least one pixel control unit；

The main control chip is connected with the video/image signal decoder module, is suitable for receiving the video/image signal solution The different sub- colour field grayscale informations in each frame color image to be shown that code module is extracted, by received different frame to aobvious Show that the different sub- colour field grayscale informations of color image are alternately stored in the different frame image buffers, and by a frame While the different sub- colour field grayscale informations of color image to be shown are stored in a frame image buffer, from another described The different sub- colour field grayscale informations of the color image to be shown of stored previous frame are extracted in frame image buffer, and will be mentioned The different sub- colour field grayscale informations of the color image to be shown taken are sequentially output in any order to the pixel control unit；

The pixel control unit is connected with the main control chip and each LED micro-pixels, is suitable for according to the master control core The different sub- colour field grayscale informations for the color image to be shown that piece extracts control each LED micro-pixels and are forming each frame figure The monochromatic light of varying strength is excited in the time of picture, successively with will be from the coloured silk to be shown within the time for forming each frame image The different sub- colour field grayscale informations extracted in chromatic graph picture are successively shown in any order.

9. colour micro-display device according to claim 8, it is characterised in that: the quantity of the pixel control unit and institute The quantity for stating LED micro-pixels is identical, and each pixel control unit is connected with the main control chip, and each pixel control Unit processed connects one to one with each LED micro-pixels.

10. colour micro-display device according to claim 6, it is characterised in that: the imaging len includes simple lens, group Close lens or with the one-to-one microlens array of LED micro-pixels.

11. colour micro-display device according to claim 6, it is characterised in that: the fluorescent film includes single transparent fluorescent Film or with the one-to-one fluorescence membrane array of the LED micro-pixels.

12. according to claim 1 or colored micro-display device described in 11, it is characterised in that: the fluorescent film is located at described dynamic On the plane of incidence of state optical filter.

13. according to claim 1 or colored micro-display device described in 11, it is characterised in that: the white fluorescence component also wraps Transparent substrate is included, the fluorescent film is located at the transparent substrates surface, the white fluorescence component and the imaging len and institute It states dynamic optical filter and all has spacing.

14. colour micro-display device according to claim 1, it is characterised in that: the dynamic optical filter includes tunable LCD filters or mechanical optical filter.

15. a kind of production method of colour micro-display device, which is characterized in that the production method includes the following steps:

1) monochromatic LED micro display mould group is prepared, the monochromatic LED micro display mould group is suitable for from each frame color image to be shown Different sub- colour field grayscale informations is extracted, and successively excitation is different within the time for forming each frame image according to the information of extraction The monochromatic light of intensity, with the different sons that will be extracted from the color image to be shown within the time for forming each frame image Colour field grayscale information is successively shown in any order；Wherein, the monochromatic LED micro display mould group is from each frame cromogram to be shown It includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and blue that different sub- colour field grayscale informations is extracted as in Colour field grayscale information or the monochromatic LED micro display mould group extract different sub- colour fields from each frame color image to be shown Grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and white Colour field grayscale information；

2) white fluorescence component is prepared, the white fluorescence component issues monochromatic in the monochromatic LED micro display mould group Excitation is lower to issue white light；

3) imaging len and dynamic optical filter are provided, the dynamic optical filter is suitable for according in the monochromatic LED micro display mould group When the display of the sub- colour field grayscale information of the red, the sub- colour field grayscale information of the green and the sub- colour field grayscale information of the blue Between it is synchronous feux rouges optical filtering is carried out to the white light that the white fluorescence component issues in real time, green light filters and blue light filters, with most Color image needed for presenting eventually；The imaging len is placed in the light-emitting surface side of the monochromatic LED micro display mould group；By institute It states white fluorescence component and is placed in side of the imaging len far from the monochromatic LED micro display mould group, and the white fluorescence Component is located on the imaging plane of the imaging len；The dynamic optical filter is placed in the white fluorescence component far from described The side of imaging len.

16. the production method of colour micro-display device according to claim 15, it is characterised in that: in step 1), preparation Monochromatic LED micro display mould group includes the following steps:

Substrate 1-1) is provided, forms III-V nitride LED epitaxial wafer, the III-V nitride packet in the substrate surface It includes the first conduction type III-V nitride layer being sequentially stacked, be located at the first conduction type III-V nitride layer table The quantum well layer in face, the second conduction type III-V nitride layer positioned at the quantum well layer surface；

1-2) the second conduction type III-V nitride layer and the quantum well layer described in selective etch are until expose described First conduction type III-V nitride, to form the micro- mesa array of LED for including the micro- table top of several LED；

1-4) the second conduction type III-V nitride layer surface in the micro- table top of the LED forms anode, and naked The first conduction type III-V nitride layer surface of dew forms cathode；The anode, the quantum well layer, described Two conduction type III-V nitride layers, the cathode and the passivation layer collectively form LED micro-pixels, each LED microimage LED microimage pixel array is collectively formed in element；

Driving backboard 1-5) is provided, the driving backboard includes video/image signal decoder module and control module, the view Frequently/picture signal decoder module is suitable for receiving each frame color image to be shown in video or image, to each frame coloured silk to be shown Chromatic graph picture is analyzed and processed, and extracts the sub- colour field grayscale information of difference in each frame color image to be shown；The control mould Block is connected with the video/image signal decoder module and each LED micro-pixels, is suitable for believing according to the video/image The different sub- colour field grayscale informations that number decoder module extracts control each LED micro-pixels in the time for forming each frame image The monochromatic light of varying strength is excited, successively inside with will be from the color image to be shown within the time for forming each frame image The different sub- colour field grayscale information information extracted successively are shown in any order；Wherein, the video/image signal decodes mould It includes red sub- colour field grayscale information, green that block extracts different sub- colour field grayscale informations from each frame color image to be shown Sub- colour field grayscale information and blue sub- colour field grayscale information or the video/image signal decoder module are to be shown from each frame Extracted in color image different sub- colour field grayscale informations include red sub- colour field grayscale information, the sub- colour field grayscale information of green, The sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

1-6) structural bond for obtaining step 1-4) is bonding together in the driving backboard, the anode surface of the LED micro-pixels Face, and the anode of the LED micro-pixels is connected with the driving backboard.

17. the production method of colour micro-display device according to claim 16, it is characterised in that: the control module packet It includes: main control chip, at least two frame image buffers and at least one pixel control unit；

18. the production method of colour micro-display device according to claim 17, it is characterised in that: the pixel control is single The quantity of member is identical as the quantity of the LED micro-pixels, and each pixel control unit is connected with the main control chip, and Each pixel control unit connects one to one with each LED micro-pixels.

19. the production method of colour micro-display device according to claim 16, it is characterised in that: formed in step 2) White fluorescence component be with the one-to-one fluorescence membrane array of the LED micro-pixels, specifically comprise the following steps:

Carrier 2-2) is provided, the fluorescent powder solution is deposited or is coated on the carrier, the carrier includes transparent substrate Or the incident end face of dynamic optical filter, to form the phosphor film layer on the carrier；

2-3) the phosphor film layer surface coat photoresist, by photoetching, development and etching technics to the phosphor film layer at Reason is to form and the one-to-one fluorescence membrane array of the LED micro-pixels.

20. the production method of colour micro-display device according to claim 15, it is characterised in that: formed in step 2) White fluorescence component is single white fluorescence component, is specifically comprised the following steps:

Carrier 2-2) is provided, the fluorescent powder solution is deposited or is coated on the carrier, the carrier includes transparent substrate Or the incident end face of dynamic optical filter, to form the fluorescent film on the carrier.

21. a kind of display side of the color image based on the colored micro-display device as described in any one of claims 1 to 14 Method, which is characterized in that the display methods of the color image includes the following steps:

1) different sub- colour field gray scale letters is extracted from each frame color image to be shown using the monochromatic LED micro display mould group It ceases, and successively excites the monochromatic light of varying strength within the time for forming each frame image according to the information of extraction, to be formed By the different sub- colour field grayscale informations extracted from the color image to be shown by any suitable in the time of each frame image Sequence is successively shown；Wherein, the monochromatic LED micro display mould group extracts different sub- colour fields from each frame color image to be shown Grayscale information includes red sub- colour field grayscale information, the sub- colour field grayscale information of green and the sub- colour field grayscale information or described of blue It includes red sub- color that monochromatic LED micro display mould group extracts different sub- colour field grayscale informations from each frame color image to be shown Field grayscale information, the sub- colour field grayscale information of green, the sub- colour field grayscale information of blue and the sub- colour field grayscale information of white；

2) monochromatic light that the monochromatic LED micro display mould group issues is projeced into institute in the form of real image using the imaging len It states on white fluorescence component, to excite the white fluorescence component to issue white light；

3) using the dynamic optical filter according to the sub- colour field grayscale information of red, institute described in the monochromatic LED micro display mould group The display time synchronization for stating green sub- colour field grayscale information and the sub- colour field grayscale information of the blue is glimmering to the white light in real time The white light that optical assembly issues carries out feux rouges optical filtering, green light filters and blue light filters, required color image is finally presented.