JP2001013877A - Plane type display device - Google Patents

Plane type display device

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Publication number
JP2001013877A
JP2001013877A JP18566599A JP18566599A JP2001013877A JP 2001013877 A JP2001013877 A JP 2001013877A JP 18566599 A JP18566599 A JP 18566599A JP 18566599 A JP18566599 A JP 18566599A JP 2001013877 A JP2001013877 A JP 2001013877A
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display
color
layer
pdp
optical filter
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JP18566599A
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JP3849070B2 (en )
Inventor
Katsuya Irie
Fumihiro Namiki
文博 並木
克哉 入江
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Fujitsu Ltd
富士通株式会社
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Abstract

PROBLEM TO BE SOLVED: To eliminate the double reflection of display images by incident light on the display surface of a PDP(plasma display panel) from the outside by adhering an optical filter having a visible light reflectively regulation layer, a color tone regulation layer for approximating the display colors of a white display to the display colors of a display target, etc., on the display surface side substrate of the PDP. SOLUTION: The optical filter 41 is directly stuck with an adhesive layer 34, such as an epoxy adhesive for sticking an optical member, such as a lens, to the display surface side substrate of the PDP 1 having a drive control circuit 32 and the PDP is arranged in an armor casing 33. The optical filter 41 is composed of a transparent impact relieving member 42 which relieves mechanical impact from outside, the color tone regulation layer 43 which is disposed on the rear surface side (PDP 1 side) of the impact relieving member 42 and lowers the problem of the influence of the light emission color of discharge gas on the light emission color of phosphors and the light reflectivity regulation layer 44 for visible light, etc., which is disposed on the front surface side of the impact relieving member 42. As a result, such problem that the color temperature is lowered by the overlapping of the light emission color for the discharge gas on the color emission color of the phosphors is solved.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明はコンピュータの表示端末やテレビジョンなどの画像表示機器として用いられる平面型表示装置に関するものである。 BACKGROUND OF THE INVENTION The present invention relates to a flat display device used as an image display device such as a display terminal or television computer.

【0002】平面型表示装置に用いられる表示パネルの一種として知られる例えばプラズマディスプレイパネル(PDP)は、大型化が容易な薄型のフルカラー平面型表示パネルとして注目され、近年では更に、高解像度で鮮明な高表示品質の画面の実現が要望されている。 [0002] flat display device display panel such as plasma display panels are known as a kind of used for (PDP) is attracting attention as a full color flat display panel easy thin upsizing further sharp high resolution in recent years realization of high display quality screen there is a need for such.

【0003】 [0003]

【従来の技術】従来の例えばAC駆動による一般的なカラー表示用の面放電型プラズマディスプレイパネル(P Conventional example surface discharge type plasma display panel of a typical color display by AC drive (P
DP)の基本的な構造としては、図6の要部分解斜視図に示すようにマトリクス表示の単位発光領域EUに一対のX、Yからなる放電電極対(表示電極)12とアドレス電極Aとが対向する3電極構造を有している。 The basic structure of a DP), main components exploded perspective view of a pair of the unit light emitting areas EU matrix display as shown X, the discharge electrode pairs (display electrodes consisting of Y in Figure 6) 12 and the address electrodes A There has a three-electrode structure facing.

【0004】この表示ラインを形成する面放電のためのX、Yからなる放電電極対12は、放電空間24に対して表示面H側のガラス基板11上に設けられており、表示光の遮光を最小限にするためにネサ膜やITO(Indium Tin [0004] X for the display line formed to the surface discharge and the discharge electrode pairs 12 formed of Y is provided on the glass substrate 11 of the display surface H side with respect to the discharge space 24, light shielding of the display light Nesa film or ITO in order to minimize the (Indium Tin
Oxide) 膜などの透明導電膜からなる透明電極12a 上に、該透明電極12a よりも細幅でその透明電極12a の導電性を補う (低抵抗化) ための金属膜からなる金属補助電極12b を積層した構成とされている。 On the transparent electrode 12a formed of a transparent conductive film such as an Oxide) film, a transparent than the electrode 12a compensate the conductivity of the transparent electrodes 12a in narrow (metal auxiliary electrode 12b made of a metal film for low resistance) there is a stacked arrangement.

【0005】またその放電電極対12上は壁電荷を利用してガス放電を維持するAC駆動のための絶縁層(誘電体層)13によって放電空間24に対して絶縁状態に被覆されており、該絶縁層13の表面には更に数千Å程度の厚さの [0005] are covered with the insulating state relative to the discharge space 24 by an insulating layer (dielectric layer) 13 for AC driving to maintain the use to gas discharge its discharge electrode pairs 12 on the wall charges, several more on the surface of the insulating layer 13 thousand about Å thickness
MgO膜からなる保護膜14が設けられている。 Protective film 14 made of MgO film is provided.

【0006】一方、背面側のガラス基板21上には、前記X,Yからなる放電電極対12と直交するように単位発光領域EUを選択的に発光させるためのアドレス電極A On the other hand, on a rear side of the glass substrate 21, the X, the address electrodes for the unit light emitting areas EU to selectively emit light so as to be perpendicular to the discharge electrode pairs 12 consisting of Y A
が、一定のピッチで配列され、その各アドレス電極Aの間には所定高さのストライプ状の隔壁22が設けられ、これによって放電空間24がライン方向 (放電電極対12の長さ方向) に単位発光領域EU毎に区画され、かつ放電空間24の間隔寸法が規定されている。 But are arranged at a constant pitch, the stripe-shaped barrier ribs 22 having a predetermined height between the address electrodes A are provided, whereby the discharge space 24 is the line direction (longitudinal direction of the discharge electrode pairs 12) It is partitioned into the unit light emitting area per EU, and spacing dimension of the discharge space 24 is defined.

【0007】更に、前記ガラス基板21には、アドレス電極Aの上面及びストライプ状の隔壁22の側面を含めた背面側の内面を被覆するように、R(赤),G(緑),B Furthermore, the glass substrate 21 so as to cover the upper surface and the back surface side of the inner surface side including the stripe-shaped barrier ribs 22 of the address electrodes A, R (red), G (green), B
(青)の3原色の蛍光体23が設けられている。 3 primary colors of the phosphor 23 is provided (blue). そしてこのような構成のPDP1では各色の蛍光体23は面放電時に放電空間24内のガス放電より放射される紫外線により励起されて発光し、R,G,Bの組合せによるフルカラー表示が可能であり、その表示に際して前記隔壁22により単位発光領域EU間のクロストークが防止されている。 The phosphor 23 of each in PDP1 colors thus configured to emit light by being excited by ultraviolet rays emitted from the gas discharge in the discharge space 24 at the time of the surface discharge is possible R, G, full-color display by a combination of B , crosstalk between the unit light emitting area EU is prevented by the partition wall 22 when the display.

【0008】以上の構成のPDP1は、上述のように各ガラス基板11と21に対して個別に所定の構成要素を設けた後、該ガラス基板11と21とを対向配置してその間隙の周囲を気密に封止して内部を一旦真空に排気すると共に、紫外線を発生するキセノン(Xe)を数%含むネオン(N [0008] PDP1 the above configuration, after providing the predetermined component separately for each glass substrate 11 and 21 as described above, the periphery of the gap opposite arranged and the glass substrate 11 and 21 together with sealed hermetically once evacuated to a vacuum inside, containing several percent of xenon (Xe) which generates ultraviolet neon (N
e)ガスを混合したペニングガス等からなる放電ガスを封入する一連の工程によって製造されている。 It is produced by a series of steps of encapsulating a discharge gas composed of Penning gas or the like by mixing e) gas.

【0009】なお、前記放電ガスについては、数多くの検討がなされ、前述のキセノンとネオンの二成分系の他に、ヘリウム、アルゴン、キセノンの三成分系や、ネオン、アルゴン、キセノンの三成分系等の組成ガスが実用化されつつある。 [0009] Note that the discharge gas is made a number of studies, in addition to the two-component system of the aforementioned xenon and neon, helium, argon, ternary or xenon, neon, argon, ternary xenon gas composition etc. is being put into practical use.

【0010】また、このような構成のPDP1を用いた平面型表示装置においては、図7の概略的な要部側面図に示すように、背面側に駆動制御回路32を備えたPDP Further, PDP in the planar type display device using PDP1 having such a configuration, as shown in schematic partial side view of Figure 7, having a drive control circuit 32 on the back side
1の表示面側に、表示画面のコントラストの向上と、外部からの機械的な衝撃によるPDP1本体の破損を防止するための光学フィルタ31を、前記PDP1本体との間に空隙を設けて外装筐体33内に配置することが一般に行われている。 The first display surface side, the outer casing is provided an air gap between the improvement of the contrast of the display screen, the optical filter 31 for preventing mechanical damage of PDP1 body by an external shock, and the PDP1 body it is common to place in the body 33.

【0011】 [0011]

【発明が解決しようとする課題】ところで、前記したようにPDP1が実装された従来の構成の平面型表示装置では、赤(R),緑(G),青(B)に表示光を発する前記PDP1本体と前記光学フィルタ31との間に空隙があることから、外部から表示面に入射する光が前記光学フィルタ31の表面と前記PDP1本体の表示面にて反射するため、その外光が多重に映り込む、所謂二重映り現象が生じ、その結果、前記PDP1の表示画質を損ねて低下させるという問題があった。 [SUMMARY OF THE INVENTION Incidentally, in the flat display device of conventional configuration PDP1 is mounted as described above, the red (R), green (G), and said that emits display light to blue (B) since there is a gap between the PDP1 body and the optical filter 31, since the light incident on the display surface from the outside is reflected by the display surface of the surface and the PDP1 body of the optical filter 31, the external light multiplexed reflected on, cause so-called double being viewed as a phenomenon, resulting in a problem of lowering impairs the display quality of the PDP 1.

【0012】また、前記PDP1ではガス放電によって蛍光体を発光させたときの表示色は、赤(R),緑(G),青(B)の各色の蛍光体の発光量により決定される。 Further, the display color when light is emitted to the phosphor by the PDP1 gas discharge, red (R), green (G), and is determined by the light emission amount of the phosphor of each color of blue (B). 従来では前記R,G,Bの3色の発光強度比率を制御することで白色表示を行なっていた。 In conventional it was performed white display by controlling the R, G, emission intensity ratio of three colors of B.

【0013】しかし、前記ガス放電により蛍光体を発光させると、該蛍光体の発光色に放電ガスの発光による橙(赤)色が加わり、表示画面が全体的に赤色がかった表示となる。 [0013] However, when the phosphors to emit light by the gas discharge, joined by orange (red) color emission color by the light emission of the discharge gas of the phosphor, a display in which the display screen is tinted overall red. 即ち、青色および緑色の色表示能力が低下して、白色の表示色が3色の蛍光体による再現色に比べて色温度値が低い色となってしまうといった問題があった。 In other words, it decreases the blue and green color display capability, a color temperature value white display color than the reproduced color by the phosphor of the three colors has a problem becomes low color.

【0014】本発明は上記した従来の問題点に鑑み、外光の反射防止、特に、PDPとその前面側に配置された光学フィルタとの間にある空隙部に起因した多重映り現象の問題を解決すると共に、蛍光体の発光色に放電ガスの発光色が重なって色温度が低下するという問題を解決する平面型表示装置を提供することを目的とするものである。 [0014] The present invention has been made in view of the conventional problems described above, antireflection of outdoor daylight, especially, the PDP problem of multiple being viewed as phenomena due to the gap portion in between the front side to the arranged optical filter with resolve, it is an object of the color temperature overlap the emission color of the discharge gas in the emission color of the phosphor to provide a flat display device for solving the problem of a decrease.

【0015】 [0015]

【課題を解決するための手段】本発明は、上記した目的を達成するため、赤、緑および青の単色または混合色によるカラー画像を表示するディスプレイパネルの表示面側基板に、可視光反射率調整層と、白色表示の表示色を表示目標の表示色に近づける色調整層と、外部からの衝撃を緩和する衝撃緩和部材とを有する光学フィルタを接着配置してなる装置構成とする。 Means for Solving the Problems The present invention, in order to achieve the above object, red, green and blue monochromatic or display-side substrate of the display panel for displaying a color image by mixing color, visible light reflectance to the adjustment layer, a color adjustment layer to bring the display color of the white color display on the display color of the display target, and the adhesive placed to become the apparatus constituting an optical filter having a shock absorbing member for mitigating external shock.

【0016】また、前記光学フィルタは、更に、放射電磁波遮蔽機能、近赤外線遮蔽機能、または傷付防止機能の少なくとも一つの機能を有する層を備えた構成とする。 Further, the optical filter is further radiated electromagnetic wave shielding function, a configuration which includes a layer having at least one function of the near infrared ray shielding function, or prevention function scratched.

【0017】更に、前記ディスプレイパネルはプラズマディスプレイパネルであり、前記色調整層は、前記プラズマディスプレイパネルに封入された放電ガスの発光色を選択的に吸収する特性を有する構成とする。 Furthermore, the display panel is a plasma display panel, the color adjustment layer, a structure having the property of selectively absorbing a light emission color of the discharge gas the sealed in the plasma display panel.

【0018】このように本発明では、例えばプラズマディスプレイパネルの表示面側基板に可視光反射率調整層と、本出願人が既に出願している特願平10−1711 [0018] Japanese Patent Application No. In this manner, in the present invention, for example, a visible light reflectance adjusting layer on the display surface side substrate of the plasma display panel, the present applicant has already filed 10-1711
79号の明細書に記載されている、所謂、白色表示の表示色を表示目標の表示色に近づける色調整層(フィルタ)と、外部からの衝撃を緩和する衝撃緩和部材とからなる光学フィルタを直接的に接着剤等により貼り付けた構成とすることにより、表示画像の二重映りが防止されると共に、前記色調整層によって蛍光体の発光色に放電ガスの発光色が影響するという問題が低減され、色再現性を高めることが可能となる。 Are described in the specification of No. 79, so-called color adjustment layer to bring the display color of the white color display on the display color of the display target (the filter), the optical filter comprising a shock absorbing member for mitigating external shock with a structure in which affixed by directly bonding agent, together with the double being viewed as is prevented displayed image by the color adjustment layer is a problem that the emission color of the discharge gas emission color of the phosphor is affected is reduced, it is possible to improve the color reproducibility.

【0019】また、衝撃緩和部材の配設により表示画面への不意の外力が加わってもPDP本体の損傷を防止することができる。 Further, even when applied external force unexpectedly on the display screen by arrangement of the shock absorbing member can be prevented damage to the PDP body.

【0020】 [0020]

【発明の実施の形態】以下、図面を用いて本発明の実施例について詳細に説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, will be described in detail embodiments of the present invention with reference to the drawings.

【0021】なお、かかる実施の形態例が、本発明の技術範囲を限定するものではない。 [0021] Incidentally, the embodiments described below are not intended to limit the technical scope of the present invention.

【0022】図1は本発明の平面型表示装置の第1実施例の構成を説明する概略側断面図である。 [0022] FIG. 1 is a schematic side sectional view illustrating the configuration of a first embodiment of the flat-panel display of the present invention. 図1において図7と対応する要素部分には同一の符号を付している。 The corresponding component parts as in FIG. 7 are denoted by the same reference numerals in FIG.

【0023】図1において、1は背面側に駆動制御回路 [0023] In FIG. 1, the drive control circuit to the rear side 1
32を備えた例えばカラー表示用面放電型のプラズマディスプレイパネル(PDP)であり、その表示面側基板に、本発明の特徴とする光学フィルタ41がレンズ等の光学部材貼り付け用のエポキシ系接着剤、又はアクリル系接着剤などの接着層34によって直接的に貼り付けて外装筐体33内に図示のように配置されている。 32 is a equipped with for example a color display surface discharge type plasma display panel (PDP), on the display surface side substrate, epoxy adhesive for pasting optical members such as an optical filter 41 is a lens, which is a feature of the present invention agents, or by an adhesive layer 34 such as an acrylic adhesive is disposed as shown in the outer housing 33 affixed directly.

【0024】前記光学フィルタ41としては、外部からの機械的な衝撃を緩和させる透明な衝撃緩和部材42と、該衝撃緩和部材42の背面側 (前記PDP1 側) に設けられた蛍光体の発光色に放電ガスの発光色が影響する問題を低減させる色調整層43と、前記衝撃緩和部材42の前面側に設けられた可視光等の光反射率調整層44とから構成されている。 [0024] As the optical filter 41, a mechanical impact of a transparent alleviate impact damper 42 from the outside, the emission color of the back side (the PDP1 side) provided on the phosphor of the impact damper 42 emission color of the discharge gas is a color adjustment layer 43 to reduce the problems affecting, and a light reflectance adjusting layer 44 of the visible light or the like provided on the front side of the impact damper 42.

【0025】前記衝撃緩和部材42は、透明 (可視光域で透明) で耐衝撃性を有するウレタン樹脂系材料、またはアクリルゴム系材料を含有するアクリル樹脂系材料等からなり衝撃では破損しないフィルム部材である。 [0025] The shock absorbing member 42 is made of a transparent urethane resin-based material having impact resistance (in the visible regions transparent) or film member not damaged by the impact made of an acrylic resin based material containing an acrylic rubber-based material, it is.

【0026】また、前記可視光等の光反射率調整層44 Further, the light reflectance control layer 44 such as visible light,
は、例えば前記衝撃緩和部材42の表面に光学的に設計された屈折率の異なる数種の金属酸化物薄膜を蒸着等によりマルチコートするAnti Reflection 処理を施した層、 Layer, which was subjected to Anti Reflection process of multi-coating for example an optically designed refractive index kinds of metal oxide thin films having different on the surface of the shock absorbing member 42 by vapor deposition or the like,
或いはハードコート性の透明樹脂材料の中にシリカなどの微細な粒子を分散させた塗布液を所定の偏光板表面に薄層に塗布した後、表面に粒子状の凹凸が形成されるように硬化されるAnti Grea 処理を施した層を適用することが可能である。 Or after application to a thin layer on a polarizing plate surface coating solution of a predetermined dispersed fine particles such as silica into the hard coat property of the transparent resin material, hardening as particulate unevenness is formed on the surface it is possible to apply a layer subjected to Anti Grea processing.

【0027】ところで、前記Anti Grea 処理はAnti Ref [0027] By the way, the Anti Grea process Anti Ref
lection 処理に比較して低コストであり、かつ、正反射像が映り込みにくいという特徴を有しており、Anti Gre A comparison with low cost lection process, and has a feature that regularly reflected image is hard to write reflection, Anti Gre
a 処理を施した層を有する光学フィルタを表示パネルの表示面に距離を離して設置した場合、表示画像がボケてしまって画質が劣化することが知られている。 When installed at a distance on the display surface of the display panel optical filter having a layer subjected to a process, image quality display image got blurred are known to degrade.

【0028】このため、前記Anti Grea 処理を施した層を用いる場合、ヘイズ値を小さくした前記Anti Grea 処理を行う必要があり、外光反射量を十分に低減させることが不可能であった。 [0028] Therefore, when using a layer which has been subjected to the Anti Grea process, it is necessary to perform the Anti Grea process to reduce the haze value, it is impossible to sufficiently reduce the reflection of external light quantity. しかし、本発明では光学フィルタを表示パネルの表示面側の基板に直接貼り付ける構成であるため、ヘイズ値を大きくしたAnti Grea 処理を施した層を用いても表示画像がボケることは無く、かかるAn However, in the present invention because it is configured to be pasted directly on the substrate on the display surface side of the display panel optical filter, a display image using the layer subjected to greater the Anti Grea handle haze value not be blurred, such An
ti Grea 処理を施すことによって低コストで、かつ正反射像が映り込みにくい層を、前記可視光等の光反射率調整層44に用いている。 At low cost by applying the ti Grea process, and a hard layer write regular reflection image reflected, are used for the optical reflectivity adjustment layer 44, such as the visible light.

【0029】更に、色調整層43は、前記PDP1内に封入されたネオンとキセノンの二成分系ガスからなる放電ガスの発光色、即ち、発光ピークが位置する560〜6 Furthermore, color adjustment layer 43, the emission color of the discharge gas made of two-component gas of neon and xenon is sealed in the inside PDP 1, i.e., the emission peak is located 560-6
10nmの波長領域の可視光を選択的に吸収・減衰させる特性を有するものが望ましく、例えば色素による光吸収を利用した色素フィルタ、多層膜の干渉を利用した多層膜フィルタ等を用いることができ、前記蛍光体の発光色に対する放電ガスの発光色の影響を低減することができる。 Is desirable to have the property of selectively absorbing and attenuating visible light in the wavelength region of 10 nm, for example, a dye filter utilizing a light absorption by the dye, can be used a multilayer film filter or the like which utilizes an interference of the multilayer film, it is possible to reduce the influence of the emission color of the discharge gas to the emission color of the phosphor.

【0030】要するに本実施例では、本出願人が既に出願している特願平10−171179号の明細書に記載されている、所謂、白色表示の表示色を表示目標の表示色に近づける特性を有するフィルタからなる色調整層43 [0030] In this example summary, the present applicant has already been described in the specification of Japanese Patent Application No. 10-171179 which has been filed, so-called close the display color of white displayed on the display color of the display target characteristics color adjustment layer 43 made of a filter having a
を採用している。 It is adopted.

【0031】図2は、放電ガスとして図3に示したスペクトル分布の発光が生じる組成のネオン(Ne)とキセノン(Xe)4%のペニングガスが封入された前記PD [0031] Figure 2, the PD of neon composition emission spectrum distribution shown in FIG. 3 as the discharge gas occurs (Ne) and xenon (Xe) 4% of the Penning gas is sealed
P1内に用いる前記色調整層43の特性の1例と色再現範囲を示す図である。 It is a diagram illustrating an example color reproduction range of characteristics of the color adjustment layer 43 used in P1. 図2(a)では前記色調整層43の透過率特性を太い実線で示し、参考として蛍光体の発光スペクトル分布を細い実線で示している。 FIGS. 2 (a) shows the transmittance characteristics of the color adjustment layer 43 by a thick solid line shows the emission spectrum distribution of the fluorescent substance by a thin solid line as a reference.

【0032】図2(b)はxy色度図であり、図中の黒丸は本発明の適用によって表示される白色を示している。 [0032] FIG. 2 (b) is a xy chromaticity diagram, a black circle in the figure indicates the white displayed by the application of the present invention. また、図2(b)中の白抜き四角は従来技術によって表示される白色を示し、破線は従来技術での色再現範囲を示している。 Further, white squares in FIG. 2 (b) shows a white displayed by the prior art, a broken line indicates a color reproduction range in the prior art. ここでいう従来技術とは、色補正用のフィルタを用いず、3色の蛍光体の発光輝度、例えばG,R,Bの輝度比を6:3:1にして最良の白色再現性が得られるように設定するものである。 The term the prior art, without using a filter for color correction, three-color phosphor emission luminance of, for example G, R, the luminance ratio of B 6: 3: best white reproducibility is obtained in the 1 it is for setting to be.

【0033】図2の例において前記色調整層43の特性は、Rの蛍光体の発光波長域およびそれ以上の波長域(即ち、ネオン(Ne)の発光波長域)の可視光線透過率が、他の可視光波長領域における平均透過率特性よりも小さいものである。 The characteristics of the color adjusting layer 43 in the example of FIG. 2, the light emitting wavelength range and more in the wavelength range of the phosphor of R (i.e., the emission wavelength region of neon (Ne)) visible light transmittance of, it is smaller than the average transmittance characteristics in other visible light wavelength region. 前記色調整層43の特性に合わせてRの蛍光体の発光を意図的に強めて赤色再現に十分な赤色波長域の光量を確保することにより、図2(b)のように従来技術と比べてR,G,Bの色純度に優れて色再現能力が高く、白色表示の色度が画像表示手段として望ましい値となる表示を実現することができる。 By ensuring the quantity of light of sufficient red wavelength range deliberately intensify red reproduction light emitted from the phosphor of R in accordance with the characteristics of the color adjustment layer 43, compared with the prior art as shown in FIG. 2 (b) Te R, G, high color reproduction capabilities and excellent color purity of B, it is possible to chromaticity of the white display to realize a display as a desired value as an image display unit.

【0034】このような前記光学フィルタ41を配設した平面型表示装置の構成によれば、従来例で問題になっていた外部から前記PDPの表示面への入射光による表示画像の二重映りが解消され、前記PDPの表示画面への不意の外力が加わってもPDP本体の損傷、或いは破損を防止することが可能となると共に、PDPの表示色として蛍光体の発光色に放電ガスの発光色が影響するという問題が低減され、色再現範囲を拡大することができるため、高品位のカラー画質を実現することが可能となる。 According to the configuration of the flat display device which is disposed such the optical filter 41, reflected dual display image by the incident light from the outside, which has been a problem in the prior art to the display surface of the PDP There is eliminated, the damage to the PDP main body even when an external force is applied inadvertent into PDP display screen, or it becomes possible to prevent breakage, light emission of the discharge gas emission color of the phosphor as the display color of the PDP is reduced is a problem that the color is affected, since it is possible to enlarge the color reproduction range, it is possible to realize the color quality of high quality.

【0035】図4は本発明の平面型表示装置の第2実施例の構成を説明する概略側断面図である。 [0035] FIG. 4 is a schematic side sectional view illustrating the configuration of a second embodiment of a flat-panel display of the present invention. 図4において図1と対応する要素部分には同一の符号を付している。 The corresponding component parts as in FIG. 1 are denoted by the same reference numerals in FIG.

【0036】この第2実施例が前記第1実施例と異なる点は、図示のように裏面側に (前記PDP1 側) に前記色調整層43を設けた前記衝撃緩和部材42の前面側に、前記PDP1 および駆動制御回路32より放射される電磁波を遮蔽する電磁波遮蔽層52と、前記PDP1 および駆動制御回路32より漏洩する近赤外線を遮蔽する近赤外線遮蔽層53を設け、その前面側に前記光反射率調整層44を介して傷付防止層54を設けた構成からなる本発明の特徴とする光学フィルタ51を、前記PDP1 の表示面側の基板に前記第1実施例と同様にレンズ等の光学部材貼り付け用のエポキシ系接着剤、又はアクリル系接着剤などの接着層34によって直接的に貼り付けた構成としたことである。 [0036] is different from the second embodiment is the first embodiment, the front side of the shock absorbing member 42 provided with the color adjustment layer 43 (the PDP1 side) on the back side as shown, wherein the electromagnetic wave shielding layer 52 for shielding electromagnetic waves radiated from the PDP1 and the drive control circuit 32 is provided with a NIR-shielding layer 53 for shielding near infrared rays leaking from the PDP1 and drive control circuit 32, the light on the front surface side the optical filter 51, which is a feature of the present invention having the structure in which a wound with prevention layer 54 via the reflectivity adjustment layer 44, such as lenses as in the first embodiment to the substrate on the display surface side of the PDP1 epoxy adhesive for pasting optical members, or at where the structure was attached directly by an adhesive layer 34 such as an acrylic adhesive.

【0037】前記電磁波遮蔽層52は、例えば前記衝撃緩和部材42の前面にスパッタリング法等により面抵抗値が2Ω/□程度の銀(Ag)薄膜、或いはITO(Indium [0037] The electromagnetic wave shielding layer 52 is, for example front surface sheet resistance by a sputtering method or the like 2 [Omega / □ degree of silver (Ag) thin film of the shock absorbing member 42, or ITO (Indium
TinOxide) 薄膜などを形成することで得られる。 Tin Oxide) obtained by forming a like film.

【0038】また、前記近赤外線遮蔽層53は、近赤外線吸収機能を有する材料膜、例えばジチオール錯体化合物やフタロシニアン等をポリエステル樹脂等に混合して薄膜、またはフィルム状に形成することで得られる。 Further, the near infrared ray shielding layer 53 is obtained by forming a material film having a near infrared absorbing function, for example, a dithiol complex compounds and Futaroshinian like by mixing the polyester resin film or a film shape.

【0039】更に、前記傷付防止層54は、一般的に用いられるハードコート剤、例えばアクリル系樹脂、シロキサン系樹脂、メラニン系樹脂等の膜を重合硬化させることによって得られる。 [0039] Further, the scratch with preventing layer 54 is typically a hard coat agent used, for example, acrylic resins, siloxane-based resin is obtained by polymerizing and curing the film, such as melanin resin.

【0040】なお、前記電磁波遮蔽層52、前記近赤外線遮蔽層53および前記傷付防止層54等は、本発明による光学フィルタを用いたプラズマディスプレイパネル(PD [0040] Incidentally, the electromagnetic wave shielding layer 52, such as the near infrared ray shielding layer 53 and the wound with preventing layer 54, a plasma display panel (PD using the optical filter according to the present invention
P)に要求される諸特性値、或いは使用環境に合わせて、前記各構成層の形成および配設の必要性を判断すればよい。 Characteristic values ​​required for P), or according to the use environment, may determine the need for the formation and arrangement of the constituent layers.

【0041】このような前記光学フィルタ51を配設した平面型表示装置の構成によれば、前記第1実施例と同様に、外部から前記PDP1 の表示面への入射光による表示画像の二重映りの解消、前記PDPの表示画面への不意の外力によるPDP本体の損傷・破損の防止、前記P [0041] According to the flat display device which is disposed such the optical filter 51, as in the first embodiment, the dual display image due to incident light on the display surface of the PDP1 external elimination of reflection, prevention of damage and breakage of the PDP body due to an external force of a sudden on the display screen of the PDP, said P
DPの表示色として蛍光体の発光色に放電ガスの発光色が影響するという問題が低減され、色再現範囲を拡大することができることは勿論である。 Emission color of the discharge gas in the emission color of the phosphor as the display color of the DP is reduced is a problem that affects, it is a matter of course that it is possible to enlarge the color reproduction range.

【0042】更には、前記PDP1 並びに駆動制御回路 [0042] Furthermore, the PDP1 and drive control circuit
32より前面側に放出される電磁波および近赤外線の漏洩を防止し、かつ前記傷付防止層54の配設によって前記光学フィルタ51の各構成層並びにPDP1 への損傷を防止することが可能となる。 The is the electromagnetic wave and near infrared leakage release prevents the front side of 32, and it is possible to prevent damage to the constituent layers and PDP1 of the optical filter 51 by arrangement of the scratch with preventing layer 54 .

【0043】図5は本発明の平面型表示装置の第3実施例の構成を説明する概略側断面図である。 [0043] FIG. 5 is a schematic side sectional view illustrating the configuration of a third embodiment of the flat-panel display of the present invention. 図5において図4と対応する要素部分には同一の符号を付している。 The corresponding component parts as in FIG. 4 are designated by the same reference numerals in FIG.

【0044】この第3実施例が前記第2実施例と異なる点は、図示のように裏面側に (前記PDP1 側) に前記色調整層43を設け、前面側に前記電磁波遮蔽層52を設けてなる衝撃緩和部材62が、例えば透明 (可視光域で透明) で耐衝撃性を有するウレタン樹脂、またはアクリルゴム系材料からなる衝撃緩和層62b を、可視域で透明であり、可撓性で、耐熱性の良好なポリエステル樹脂、ポリカーボネイト樹脂、ポリイミド樹脂等のフィルム状の2枚の透明性基材62a と62c とで挟み込んだサンドイッチ構成のものを用いていることであり、この衝撃緩和部材62の適用による光学フィルタ61の耐衝撃と緩和性を更に向上させたことである。 [0044] The third embodiment differs from the second embodiment, the color adjustment layer 43 provided on (the PDP1 side) on the back side as shown, the electromagnetic wave shielding layer 52 provided on the front side impact damper 62 of Te is, for example, a transparent urethane resin having impact resistance (transparent in the visible light region), or the cushioning layer 62b made of an acrylic rubber-based materials, transparent in the visible region, a flexible is that uses heat-resistant good polyester resins, polycarbonate resins, those sandwiched sandwich structure with a film-like two transparent substrates 62a and 62c such as a polyimide resin, the impact damper 62 it is to further improve the impact and mitigation of the optical filter 61 by application of.

【0045】このような前記光学フィルタ61を配設した平面型表示装置の構成によっても、前記第2実施例と同様な光学的な効果と、耐衝撃性を更に向上させることができ、より高品位の表示画質を実現することが可能になる。 [0045] Also by such a configuration of the above optical filter 61 flat-panel display were provided with an optical effect similar to the second embodiment, impact resistance can be further improved, a higher it is possible to realize a display image quality of quality.

【0046】なお、以上の実施例では、カラー表示用面放電型のプラズマディスプレイパネル(PDP)を対象とした場合の例について説明しているが、本発明はそのようなプラズマディスプレイパネル(PDP)の対象に限定されるものではなく、前記カラー表示用面放電型以外のカラー表示用プラズマディスプレイパネル(PD [0046] In the above in the embodiment has been described an example of a case intended for color display surface discharge type plasma display panel (PDP), the present invention is such a plasma display panel (PDP) of the present invention is not limited to the subject, the color other than the display surface discharge type color display plasma display panel (PD
P)は勿論のこと、カラー表示用の液晶パネルやプラズマアドレスリキッドクリスタルディスプレイパネル(P P), of course, a liquid crystal panel and plasma address liquid crystal display panel for color display (P
ALC)等を用いた平面型表示装置に適用することができる。 ALC), etc. can be applied to a flat display device using.

【0047】 [0047]

【発明の効果】以上の説明から明らかなように、本発明に係る平面型表示装置によれば、外部からPDPの表示面への入射光による表示画像の二重映りの解消、表示画面への不意の外力によるPDP本体の損傷・破損の防止、PDPの表示色として蛍光体の発光色に対する放電ガスの発光色の影響が低減され、色再現範囲を拡大することができる。 As apparent from the foregoing description, according to the flat display device according to the present invention, elimination of the double being viewed as the display image by the incident light from the outside to the PDP of the display surface, on the display screen prevention by external force inadvertent damage or breakage of the PDP body, the influence of the emission color of the discharge gas to the emission color of the phosphor is reduced as the display color of the PDP, it is possible to expand the color reproduction range.

【0048】しかも、PDPや駆動制御回路等より放出される電磁波および近赤外線の漏洩を防止することができると共に、傷付防止層の配設によって光学フィルタ51 [0048] Moreover, it is possible to prevent electromagnetic waves and near infrared leakage emitted from PDP and the drive control circuit and the like, optical by arrangement wound with prevention layer filter 51
の各構成層への損傷を防止することができ、高品位のカラー画質を実現することが可能になり、実用上優れた効果を奏する。 It is possible to prevent damage to the respective constituent layers of, it is possible to realize the color quality of high grade, exhibits a practically superior effect.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】 本発明の平面型表示装置の第1実施例の構成を示す概略側断面図である。 1 is a schematic side sectional view showing the configuration of a first embodiment of a flat-panel display of the present invention.

【図2】 本発明の色調整層の特性の一例と色再現範囲を示す図である。 It is a diagram illustrating an example color gamut characteristics of the color adjustment layer of the present invention; FIG.

【図3】 ネオンとキセノンの2成分ガスの発光スペクトルを示す図である。 3 is a graph showing an emission spectrum of a two-component gas of neon and xenon.

【図4】 本発明の平面型表示装置の第2実施例の構成を示す概略側断面図である。 4 is a schematic side sectional view showing the configuration of a second embodiment of a flat-panel display of the present invention.

【図5】 本発明の平面型表示装置の第3実施例の構成を示す概略側断面図である。 5 is a schematic side sectional view showing the configuration of a third embodiment of the flat-panel display of the present invention.

【図6】 一般的なカラー表示用の面放電型プラズマディスプレイパネルの一例を示す要部分解斜視図である。 6 is a main part exploded perspective view showing an example of a typical surface discharge type plasma display panel for color display.

【図7】 従来の平面型表示装置における光学フィルタの配設構成を示す要部側面図である。 7 is a partial side view showing an arrangement configuration of the optical filter in the conventional flat display device.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 PDP 32 駆動制御回路 33 外装筺体 34 接着層 41,51,61 光学フィルタ 42,62 衝撃緩和部材 43 色調整層 44 光反射率調整層 52 電磁波遮蔽層 53 近赤外線遮蔽層 54 傷付防止層 62a,62c 透明性基材 62b 衝撃緩和層 1 PDP 32 drive control circuit 33 exterior casing 34 adhesive layer 41, 51, 61 optical filter 42, 62 impact damper 43 color adjustment layer 44 light reflectance adjusting layer 52 electromagnetic wave shielding layer 53 near-infrared shielding layer 54 wound with preventing layer 62a , 62c transparent substrate 62b impact relaxation layer

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl. 7識別記号 FI テーマコート゛(参考) G02B 5/22 G02B 5/28 5G435 5/28 G02F 1/1333 G02F 1/1333 H04N 5/64 541D H04N 5/64 541 5/65 5/65 5/66 101A 5/66 101 5/72 Z 5/72 9/12 A 9/12 G02B 1/10 Z Fターム(参考) 2H048 CA04 CA12 CA14 CA19 GA01 GA12 GA61 2H089 HA36 QA16 TA11 TA18 2K009 AA12 AA15 BB14 BB25 CC09 DD02 EE03 5C058 AA11 AB05 BA35 5C060 EA08 HC00 HC16 5G435 AA00 AA01 AA04 AA08 AA09 AA16 BB06 CC12 EE02 FF00 GG12 GG33 GG42 HH02 HH03 HH18 LL04 LL06 LL07 LL08 ────────────────────────────────────────────────── ─── of the front page continued (51) Int.Cl. 7 identification mark FI theme Court Bu (reference) G02B 5/22 G02B 5/28 5G435 5/28 G02F 1/1333 G02F 1/1333 H04N 5/64 541D H04N 5 / 64 541 5/65 5/65 5/66 101A 5/66 101 5/72 Z 5/72 9/12 A 9/12 G02B 1/10 Z F term (reference) 2H048 CA04 CA12 CA14 CA19 GA01 GA12 GA61 2H089 HA36 QA16 TA11 TA18 2K009 AA12 AA15 BB14 BB25 CC09 DD02 EE03 5C058 AA11 AB05 BA35 5C060 EA08 HC00 HC16 5G435 AA00 AA01 AA04 AA08 AA09 AA16 BB06 CC12 EE02 FF00 GG12 GG33 GG42 HH02 HH03 HH18 LL04 LL06 LL07 LL08

Claims (4)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 赤、緑および青の単色または混合色によるカラー画像を表示するディスプレイパネルの表示面側基板に、可視光反射率調整層と、白色表示の表示色を表示目標の表示色に近づける色調整層と、外部からの衝撃を緩和する衝撃緩和部材とを有する光学フィルタを接着配置してなることを特徴とする平面型表示装置。 1. A red, green and blue monochromatic or display-side substrate of the display panel for displaying a color image by mixing color, and the visible light reflectance adjusting layer, the display color of white displayed on the display color of the display target a color adjustment layer closer, flat-panel display is characterized by comprising adhered arranged an optical filter having a shock absorbing member for mitigating external shock.
  2. 【請求項2】 前記光学フィルタは、更に、放射電磁波遮蔽機能、近赤外線遮蔽機能、または傷付防止機能の少なくとも一つの機能を有する層を備えていることを特徴とする請求項1に記載の平面型表示装置。 Wherein said optical filter further, according to claim 1, characterized in that it comprises a layer having at least one function of the radiated electromagnetic wave shielding function, near infrared shielding function, or prevention scratched the flat-panel display.
  3. 【請求項3】 前記ディスプレイパネルはプラズマディスプレイパネルであり、前記色調整層は、前記プラズマディスプレイパネルに封入された放電ガスの発光色を選択的に吸収する特性を有することを特徴とする請求項1 Wherein said display panel is a plasma display panel, the color adjustment layer, claims, characterized in that it has the property of selectively absorbing a light emission color of the discharge gas the sealed in a plasma display panel 1
    に記載の平面型表示装置。 A display device according to.
  4. 【請求項4】 赤、緑および青色を発光する蛍光体を備えてカラー画像を表示するプラズマディスプレイパネルの表示面側基板に、 Anti Grea処理による可視光反射率調整層と、 4. A red, a plasma display panel display surface side substrate of which comprises a phosphor emitting green and blue to display a color image, and the visible light reflectivity adjustment layer by Anti Grea process,
    衝撃緩和部材と、 色を調整し、放射電磁波を遮蔽すると共に、近赤外線を遮蔽する部材とを有する光学フィルタを接着配置してなることを特徴とする平面型表示装置。 A shock absorbing member, to adjust the color, as well as shield the radiated electromagnetic wave, flat-panel display is characterized by comprising adhered arranged an optical filter having a member for shielding near infrared rays.
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JP2003084679A (en) * 2001-09-13 2003-03-19 Matsushita Electric Ind Co Ltd Plasma display device
JP2003084678A (en) * 2001-09-13 2003-03-19 Matsushita Electric Ind Co Ltd Plasma display device
US6833665B2 (en) 2001-07-23 2004-12-21 Asahi Glass Company, Limited Flat display panel with a front protection plate
US6965191B2 (en) 2000-02-01 2005-11-15 Mitsui Chemicals, Inc. Display filter, display apparatus, and method for production of the same
JP2005331950A (en) * 2004-05-17 2005-12-02 Samsung Corning Co Ltd Display filter, display device equipped with same, and method of manufacturing display filter
KR100626044B1 (en) 2004-12-03 2006-09-20 삼성에스디아이 주식회사 Plasma display apparatus
KR100847918B1 (en) * 2001-11-07 2008-07-22 닛토덴코 가부시키가이샤 Glass-break preventing film like filter and plasma display apparatus
US7492081B2 (en) 2004-12-22 2009-02-17 Fujitsu Hitachi Plasma Display Limited Display panel module and method for manufacturing the same
KR101072940B1 (en) * 2002-12-10 2011-10-17 파나소닉 주식회사 The flat panel display device

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US6965191B2 (en) 2000-02-01 2005-11-15 Mitsui Chemicals, Inc. Display filter, display apparatus, and method for production of the same
JP2002006102A (en) * 2000-06-19 2002-01-09 Nof Corp Near-infrared ray shielding and reflection reducing material and its use
US6833665B2 (en) 2001-07-23 2004-12-21 Asahi Glass Company, Limited Flat display panel with a front protection plate
JP2003084677A (en) * 2001-09-13 2003-03-19 Matsushita Electric Ind Co Ltd Plasma display device
JP2003084679A (en) * 2001-09-13 2003-03-19 Matsushita Electric Ind Co Ltd Plasma display device
JP2003084678A (en) * 2001-09-13 2003-03-19 Matsushita Electric Ind Co Ltd Plasma display device
KR100847918B1 (en) * 2001-11-07 2008-07-22 닛토덴코 가부시키가이샤 Glass-break preventing film like filter and plasma display apparatus
KR101072934B1 (en) * 2002-12-10 2011-10-17 파나소닉 주식회사 The flat panel display device
KR101072940B1 (en) * 2002-12-10 2011-10-17 파나소닉 주식회사 The flat panel display device
KR100665026B1 (en) 2004-05-17 2007-01-09 삼성코닝 주식회사 Filter for display device, display device employing the same and method for fabricating the same
JP2005331950A (en) * 2004-05-17 2005-12-02 Samsung Corning Co Ltd Display filter, display device equipped with same, and method of manufacturing display filter
KR100626044B1 (en) 2004-12-03 2006-09-20 삼성에스디아이 주식회사 Plasma display apparatus
US7492081B2 (en) 2004-12-22 2009-02-17 Fujitsu Hitachi Plasma Display Limited Display panel module and method for manufacturing the same

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