The application is to be on December 10th, 2003 applying date, and application number is 200310117294.8, and denomination of invention is divided an application for the application for a patent for invention of " flat display apparatus ".
Embodiment
Below, come with reference to the accompanying drawings most preferred embodiment of the present invention is elaborated.
Fig. 3 is a side cross-sectional views, has shown according to the 1st embodiment of the present invention.
Yet, in Fig. 3, have with the symbol that part will adopt and Fig. 1 is same of existing apparatus same configuration shown in Figure 1 and represent.
The two-d display panel 3 of the flat display apparatus of present embodiment, by by (can absorb because of the device heat release when installing distortion and hardness below 30 °) elastic layer that expanded material constituted 14 of bipeltate etc. is supported on the chassis 2.Here, optics color filter plate 17 is pasted as protective layer and is paid on the face of the demonstration side of two-d display panel 3.
As shown in Figure 4, above-mentioned optics color filter plate 17 forms infrared ray absorbing/tone revisal layer 17B by interdicting at electromagnetic wave on the layer 17A, the formation external light reflection prevents that layer 17C from constituting on this infrared ray absorbing/tone revisal layer 17B again.
Infrared ray absorbing/tone revisal layer 17B and external light reflection prevent that the size of direction in length and breadth of layer 17C is than the little circle of electromagnetic wave blocking layer 17A.As shown in Figure 5, the periphery of electromagnetic wave blocking layer 17A has exceeded infrared ray absorbing/tone revisal layer 17B and external light reflection prevents perimembranous outside layer 17C, thereby the metal pattern layer of electromagnetic wave blocking layer 17A is exposed, thereby formed the connecting portion of earth connection.
Herein, optics color filter plate 17 is the binding agents 18 by the bonding usefulness of colour filter, is directly sticked on the two-d display panel 3 by pasting this side of electromagnetic wave blocking layer 17A.
Employed stickup is the transparent material that propylene is or silicon is with binding agent 18 when two-d display panel 3 is paid in 17 subsides of optics color filter plate, with the substrate of the display surface that constitutes optics color filter plate 17 or two-d display panel 3 (during the occasion of PDP, be the front glass substrate) one of side or both sides' the difference of refractive index be below 0.2, for example 1.4~1.6.
Moreover in the binding agent of color filter plate bonding usefulness, the adhesion strength when having used it vertically to peel off is the material below the 3kgf/inch.
In addition, comprise the thickness of the optics color filter plate 17 of pasting the thickness of using binding agent 18, can be set to more than the 0.5mm.
Like this, on the face of device demonstration side, paste the two-d display panel 3 of having paid optics color filter plate 17, the 15A of inward flange portion by the framework 15 of the front side periphery that is installed in chassis 2, by seizing (contacted) conductivity packing ring 16 on both sides by the arms, seized on both sides by the arms in mode in the face of chassis 2 with the exposed portions serve of the electromagnetic wave of optics color filter plate 17 blocking layer 17A.
Yet,, also can use spring members as the substitute of above-mentioned packing ring.
Symbol 9 among the figure is represented the preceding side box body of display unit.
Above-mentioned flat display apparatus; optics color filter plate 17 is pasted integratedly pay on the display surface of two-d display panel 3 because be; so just needn't resemble the independent protection panel that is set to protect the display surface of two-d display panel the prior art again; thereby just can reduce the support structure of part and simplification two-d display panel, and then can realize the purpose of cheapization of product price.
Moreover, in this flat display apparatus, optics color filter plate 17 is directly pasted to be paid on the display surface of two-d display panel 3, the difference that color filter plate that paste to pay this optics color filter plate 17 is fitted with the refractive index of binding agent 18 and the refractive index of the substrate of the display surface of formation optics color filter plate 17 or two-d display panel 3 is below 0.2, for example basic identical in the refractive index of the glass substrate that constitutes two-d display panel 3, just be set at 1.4~1.6.So; in the prior art display unit, the air layer between the panel is formed the luminous reflection from two-d display panel 3 (about 8%) that takes place and just can be avoided because of two-d display panel and protection; thereby can improve brightness, and can prevent (because of towards non-illuminating part catoptrical reflection caused) contrast descends.
That is to say; having formed between the panel in the display unit of prior art of air layer in two-d display panel and protection, generally is to make the light that occurs in more than 8% in the two-d display panel be reflected onto in the panel with each interface of protection panel by the two-d display panel in the face of air layer.But, because this only random reflected light that returns gets on so might shine the non-illuminating part that is abutted to the panel illuminating part.
Especially in PDP; because formed the reflectivity of phosphor layers and this phosphor layers in panel is about about 30%; so back light (from the reverberation at interface of two-d display panel or protection panel) can be reflected by phosphor layers, thereby cause and a kind ofly seem luminous and in non-illuminating part, carry out.Consequently the profile of illuminating part thickens, thereby can lose the distinctness sense of the image that is shown.
In addition, in recent years, though existing people attempts to lower the black briliancy on the two-d display panel, because the above-mentioned influence of returning reflection of light can reduce the effect that reduces black briliancy.
Yet, in the flat display apparatus of the invention described above, the interface of two-d display panel 3 and optics color filter plate 17 be by adopt a kind of have institute decide refractive index (with the difference of the refractive index of two-d display panel 3 and optics color filter plate 17 be 0.2) color filter plate bonding bonding with binding agent, so the reflection on its interface has been subjected to inhibition, thereby guaranteed the distinctness sense of image.Moreover, because two-d display panel has accepted to lower the processing of black briliancy, so just can guarantee the attenuating effect of black briliancy.
When two-d display panel 3 is PDP, thereby the drive controlling by discharge lowers per 1 strength of discharge or reduces briliancy that discharge time makes that discharge beyond (carrying out to forming the luminous of image) demonstration discharge (for example, not having the preparation of reseting discharge, triggering discharge and address discharge etc. of direct relation to discharge with demonstration) produced at 1cd/m
2Below, the reduction that can further improve the distinct sense of above-mentioned image prevents the reduction effect of effect and black briliancy.
In addition, by using propylene system or silicon adhesion strength system, when vertically peeling off to be the material below the 3kgf/inch in fitting with binding agent 18 at color filter plate, in repairing work, just the base material of peeling off two-d display panel 3 and optics color filter plate 17 under the damaged situation can not caused.
And the thickness setting of the optics color filter plate 17 by will comprising binding agent 18 can keep a kind of resiliency that tackles external impact more than 0.1mm, also can prevent the cracking of two-d display panel simultaneously.
Moreover, by the electromagnetic wave blocking layer 17A subsides of optics color filter plate 17 are paid in two-d display panel 3 these sides, just can be at the more stable material layer of formation one deck between infrared ray absorbing/tone revisal layer 17B (containing after being subjected to light and heat the pigment of deterioration easily) and the two-d display panel 3, so the light and heat that just can relax two-d display panel 3 are to influence that infrared ray absorbing/tone revisal layer 17B caused.
In addition, by between electromagnetic wave blocking layer 17A and two-d display panel 3, the parts that can reduce transmissivity being set, can relax the uneven first-class phenomenon of melanism of electromagnetic wave blocking layer 17A.
Moreover, the electromagnetic wave blocking layer 17A of optics color filter plate 17 prevents the big circle of layer 17C than infrared ray absorbing formed thereon/tone revisal layer 17B and external light reflection, its outer peripheral portion exceeds infrared ray absorbing/tone revisal layer 17B and external light reflection prevents week outside layer 17C, so just can easily make electromagnetic wave blocking layer 17A ground connection.
In addition, in above-mentioned flat display apparatus, by hardness at the expanded material below 30 ° as two-d display panel 3 is supported in elastic layer 14 on the chassis 2, just can absorb and relax impact from the outside.
And, in above-mentioned flat display apparatus, because two-d display panel 3 is fixed on the chassis 2, so just needn't re-use the sort of bonding material layer of the prior art, and only by between framework 15 and chassis 2, seizing conductivity packing ring 16 on both sides by the arms, just can avoid adopting bonding material layer of the prior art to fix two-d display panel 3, become easy so just can make the exchange of two-d display panel and utilize again.
Moreover, because the ground connection connecting portion that edge forms outside optics color filter plate 17 is being seized on both sides by the arms by conductivity packing ring 16, so can carry out simultaneously by the panel of framework 15 fix and and optics color filter plate 17 between electric connection, thereby can reduce the number of part, and then realize cheapization of product.
Yet though above-mentioned example has been introduced the lamination order that electromagnetic wave blocking layer, infrared ray absorbing/tone revisal layer, external light reflection in the optics color filter plate 17 prevents layer, the lamination of each layer can need not be confined to example shown in Figure 4 in proper order.In fact, also can adopt infrared ray absorbing/tone revisal layer, electromagnetic wave blocking layer, external light reflection to prevent that the such order of layer from carrying out lamination.
In addition, though the example of Fig. 3 shows: panel 3 also can form tack coat this panel is fixed on the chassis by holding packing ring 16 under the arm and seized on both sides by the arms in being fixed between the two on the chassis 2 between framework 15 and chassis 2 by the two sides at the foaming material that constitutes elastic layer 14.
Fig. 6 is the plane graph of the optics color filter plate of expression the 2nd embodiment.
The amplitude of the longitudinal direction of the electromagnetic wave blocking layer 27A of the optics color filter plate 27 that this is routine prevents the amplitude of the longitudinal direction of layer 27C greater than infrared ray absorbing/tone revisal layer 27B and external light reflection, the outer rim of its upside and downside exceeds infrared ray absorbing/tone revisal layer 27B respectively and external light reflection prevents a layer 27C, and the amplitude of its transverse direction then is same as the amplitude that infrared ray absorbing/tone revisal layer 27B and external light reflection prevent the transverse direction of layer 27C.
In addition, prevent the left and right sides outer edge of layer 27C at infrared ray absorbing/tone revisal layer 27B and external light reflection among the centre formed breach 27Ba and 27Ca, exposing the outer edge of electromagnetic wave blocking layer 27A in these breach 27Ba and the 27Ca respectively.
Moreover the ground connection of optics color filter plate 27 is handled, and is to carry out among the part b1 that exposes in the outstanding outer edge a1 of the upper and lower sides of electromagnetic wave blocking layer 27A and breach 27Ba and 27Ca.
Has above-mentioned formation by the optics color filter plate 27 that makes flat display apparatus, shown in can the dotted line in Fig. 6, electromagnetic wave blocking layer 27A, the infrared ray absorbing/tone revisal layer 27B and the external light reflection that all are formed band shape and are rolled prevent a layer 27C, can with banded and by each other stacked manufactured (at this moment, banded infrared ray absorbing/tone revisal layer 27B and external light reflection prevent a layer 27C, be accepted as the processing that burrows that forms breach 27Ba and 27Ca in advance), so the manufacturing cost of the optics color filter plate 27 that can descend significantly.
In this example, though breach 27Ba and 27Ca are formed on infrared ray absorbing/tone revisal layer 27B and external light reflection to prevent each two place in the rising wood of layer 27C and the lower edge, this breach 27Ba, 27Ca also can be formed a place or more than three places by each.
Fig. 7 is the plane graph of the optics color filter plate of expression the 3rd embodiment.
The longitudinal direction amplitude of the electromagnetic wave of the optics color filter plate 37 in this example blocking layer 37A is same as the amplitude that infrared ray absorbing/tone revisal layer 37B and external light reflection prevent the longitudinal direction of layer 37C, but the amplitude of its transverse direction then is set to the amplitude that prevents the transverse direction of layer 37C less than infrared ray absorbing/tone revisal layer 37B and external light reflection, and its right side and left border portion then exceed infrared ray absorbing/tone revisal layer 37B and external light reflection prevents a layer 37C.
And, prevent that at infrared ray absorbing/tone revisal layer 37B and external light reflection the side edge portions up and down of layer 37C from not formed breach 37Ba and 37Ca, and, then exposing the edge portion of electromagnetic wave blocking layer 37A in the 37Ca respectively at these breach 37Ba.
Yet in this example, though breach 37Ba and 37Ca are formed on infrared ray absorbing/tone revisal layer 37B and external light reflection to prevent each two place in the rising wood of layer 37C and the lower edge, this breach 37Ba, 37Ca also can be formed a place or more than three places by each.
The processing of the ground connection of this optics color filter plate 37 is the breach 37Ba at electromagnetic wave blocking layer 37A, the exposed portions serve a2 in the 37Ca and about carry out among the outstanding edge part b2.
Fig. 8 and Fig. 9 represent the plane graph of the optics color filter plate of the 4th embodiment.
The situation of the optics color filter plate 17 in this routine optics color filter plate 47 and the above-mentioned example is identical, its infrared ray absorbing/tone revisal layer 47B and external light reflection prevent the size of the direction in length and breadth of layer 47C, than the little circle of electromagnetic wave blocking layer 47A, the periphery of its electromagnetic wave blocking layer 47A then exceeds the outer rim that infrared ray absorbing/tone revisal layer 47B and external light reflection prevent layer 47C, thereby the metal pattern layer of electromagnetic wave blocking layer 47A is come out, and then formed ground connection connecting portion s.
Moreover, the coverlay 47D that has formed the ferrous metal film again or handled on the surface of the electromagnetic wave of optics color filter plate 47 blocking layer 47A through melanism, periphery has then constituted so-called comprehensive electrode with the grounding parts s of formation outside electromagnetic wave blocking layer 47A.
Then, forming the alignment mark M that even number (in this example, locational two in the lower edge both sides of optics color filter plate 47) two-d display panel pastes pair usefulness on the optional position of ground connection connecting portion.
This location can process by or criss-cross perforate circular to electromagnetic wave blocking layer 47A implementation with mark M and form.
Moreover, because on the electromagnetic wave blocking layer 47A of optics color filter plate 47, formed the coverlay 47D of black, thus reflection can be suppressed from the outer light of electromagnetic wave blocking layer 47A, thus can improve the contrast of image.
And, use mark M because on optics color filter plate 47, formed the location, so in manufacture process,, can realize easy and correct positioning optics color filter plate 47 being pasted when paying to two-d display panel according to the gimmick of image processing etc.
Feature according to the flat display apparatus of above-mentioned example is, in having the flat display apparatus of two-d display panel, pastes on the face of the demonstration side of two-d display panel and paid protective layer.
In flat display apparatus of the present invention; because protective layer is pasted on the face of the demonstration side of paying two-d display panel integratedly; so just needn't resemble the independent protection panel that is set to protect the display surface of two-d display panel the prior art again; thereby just can reduce the support structure of part and simplification two-d display panel, and then can realize the purpose of cheapization of product price.