CN2840320Y - Plasma display panel direct-attach structure with polarizer - Google Patents

Abstract

The utility model provides a plasma display panel directly pastes type structure with polarizing plate, it contains: a plasma display panel comprising a substrate having a plurality of plasma display cells, said plasma display panel structure further comprising: a color filter unit having a multi-layer structure and disposed on the plasma display panel, the color filter unit comprising a polarizer layer, a phase difference plate layer and an electromagnetic wave shielding layer, the polarizer layer, the phase difference plate layer and the electromagnetic wave shielding layer being arranged and combined in the above order or in an arbitrary order.

Description

Plasma display panel direct-attach structure with polarizer

technical field

The utility model relates to a direct-attached structure of a plasma display panel with a polarizing plate, and more particularly relates to a structure of a plasma display panel. The glass material layer is replaced by a polarizing plate, so that the effect of transmittance and color contrast is improved.

Background technique

In recent years, due to the increasing market demand, the growth of thin, light and power-saving flat-panel display devices such as liquid crystal displays (LCDs) and plasma displays (PDPs) has increased significantly; In the application of flat panel display devices, plasma displays have already occupied an important position, and the research and development of plasma display panels (PDP) is also advancing by leaps and bounds.

It is known that plasma display panel (PDP) can achieve good brightness and color; but the color contrast produced is not sharp enough, thereby affecting its display performance; especially, the known technology adopts the panel design of glass material, which often increases the production cost And it causes discomfort in the overall weight, appearance and transmittance of PDP, which affects its development towards lighter and thinner flat-panel displays; in addition, the PDP manufacturing process using glass materials and multi-layer film bonding technology are complicated, making it difficult to control the authenticity rate .

No. 0092208938, Taiwan New Patent Application discloses "A Plasma Display Panel Structure with a Polarizing Plate", which discloses a technology of applying the polarizing plate used in the LCD to the PDP, thereby improving the color contrast; but However, the known glass material is still used as the panel design in this technology, and the transmittance is still insufficient.

Therefore, it is necessary to develop a plasma display panel that is thinner and lighter, has better transmittance and color contrast, and has a simpler manufacturing process, so as to improve its performance and reduce its production cost.

Utility model content

The technical problem to be solved by the utility model is to provide a direct-attached structure of a plasma display panel with a polarizing plate, which uses a polarizing plate to replace the glass material layer, so that the transmittance and color contrast of the panel are improved, and the cost can be reduced and simplify the manufacturing process.

In order to achieve the above object, according to the utility model, a direct-attached structure of a plasma display panel with a polarizing plate is provided, which includes: a plasma display panel, including a substrate, and the substrate has a plurality of plasma display units, and the above plasma display panel The direct-attached structure also includes: a color filter unit, which has a multi-layer structure and is arranged on the above-mentioned plasma display panel, and the color filter unit includes a polarizer layer, a retardation plate layer and a The electromagnetic wave shielding layer, the polarizing plate layer, the phase difference plate layer and the electromagnetic wave shielding layer are arranged in the above order or in any order and combined.

Further, according to another viewpoint of the present utility model, there is provided a plasma display panel direct-attached structure with a polarizer, including: a plasma display panel, including a substrate, the substrate has a plurality of plasma display units, the plasma display The panel direct-attached structure also includes: a color filter unit, which has a multi-layer structure and is arranged on the above-mentioned plasma display panel. The color filter unit has a multi-layer structure, including: a polarizer layer, A phase difference plate layer, an electromagnetic wave shielding layer, a mixed color correction layer, and a near-infrared ray absorbing or transmitting structural layer, and these layer structures can be arranged in the above order or in any order.

Furthermore, the polarizer layer includes a polarizer, and the polarizer has one or a combination of antireflection layer, antiglare layer, antistatic layer and antifouling layer, and these layers can be a single layer structure It is arranged above the polarizing plate or is respectively arranged above and below the polarizing plate in a multi-layer structure.

Still further, the antireflection layer, antiglare layer, antistatic layer and antifouling layer are arranged on the surface of the polarizing plate by bonding or coating.

Still further, the phase difference plate layer is 1/2 wavelength or 1/4 wavelength, and the phase difference plate layer is a single-layer structure arranged above the polarizer or a multi-layer structure is respectively arranged above the polarizer and Below, the retardation plate layer is arranged on the polarizer by bonding.

Still further, the mixed color correction layer and the near-infrared absorption or transmission structural layer are arranged on the plasma display panel by bonding.

In addition, the mixed color correction layer and the near-infrared absorption or transmission structure layer are coated on the plasma display panel.

Description of drawings

1 is a schematic diagram of a direct-attached structure of a plasma display panel with a polarizer according to a preferred embodiment of the present invention;

Figure 2 is the effect diagram of different color filters covering the orange light.

Detailed ways

Preferred embodiments according to the present utility model will now be described with reference to the accompanying drawings.

Fig. 1 is a schematic diagram depicting a structure according to a preferred embodiment of the present invention; as shown in Fig. 1, the direct-attached structure of a plasma display panel (PDP) with a polarizing plate disclosed by the present invention includes: a flat display panel unit 1, that is, a plasma display panel, the flat display panel unit includes a substrate (not shown), the substrate has a plurality of plasma display units; color filter 2, located on the surface of the flat display 1, the color filter unit 2 consists of multiple layer structures, including: polarizer layer 3, phase difference plate layer 4, electromagnetic wave shielding layer (EMI) 5, mixed color correction layer and near-infrared absorption or transmission layer (NIR/Neon-cut) 6, of which The disposition sequence of each layer in the color filter unit 2 can be arranged and combined arbitrarily or according to the above-mentioned sequence.

The structure of the polarizer layer 3 includes various additional optical functions: anti-reflection function, anti-glare function, anti-fouling function, anti-static function, brightening function and optical clarity function. Its additional optical function can be added to the polarizing plate layer 3 alone or a multi-layer structure arranged by bonding, and each structural layer can be used alone or in combination. Its structural layer can be a single layer or a multi-layer structure arranged above and below the polarizer layer.

The structure of the phase difference plate layer 4 can be 1/2λ or 1/4λ wavelength, and its structural layer can be a single layer or a multilayer structure arranged above and below the polarizing plate layer.

The electromagnetic wave shielding layer (EMI) 5 can be a copper mesh (Cu-mesh), used for shielding electromagnetic wave radiation to prevent color distortion.

The mixed color correction layer and the near-infrared absorption or transmission structure layer (NIR/Neon-cut) 6 can be coated on the substrate alone or arranged on the substrate by laminating the layer structure, and can be used alone or in combination. Use, so that the function is a single function or a compound multi-function.

Then, as shown in Table 1, Table 2 and Fig. 2, wherein Table 1 has the spectroscopic measurement results of polarizer direct-attached type color filter and non-polarizer color filter; Table 2 is UV (ultraviolet) measurement result; Fig. 2 is the effect diagram of different color filters covering the orange light. These graphs all show that the direct-attached structure with a polarizer according to the present invention is superior to the non-direct-attached structure without a polarizer in terms of UV shielding and orange light shielding effects.

Table 1: Spectroscopic measurement results for different color filters bright picture dark screen compare results Relative percentage of comparison results Color filter (without polarizer) 162.10 5.43 29.86367 89.4% Color filter (plus polarizer) 120.30 3.02 39.82125 116.7%

Table 2: UV measurement results for different filters Total Transmission 850nm wavelength 950nm wavelength dark screen Color filter (without polarizer) 50.8% 6.8 3.4 85.6% Color filter (plus polarizer) 30.7% 6.1 3.0 120%

As mentioned above, the utility model has the following effects:

Compared with the prior art, according to the technology of the utility model, the color contrast produced by the PDP can be improved by adding a polarizing plate and a phase difference plate of 1/2λ or 1/4λ wavelength in the color filter of the PDP, so that the image is more vivid. It is clear and three-dimensional.

According to the utility model, the direct attachment type structure of the color filter with the polarizing plate and the phase difference plate can replace the known structural design using glass material, reduce the overall thickness and weight, and further improve the optical transmittance.

The utility model greatly reduces the cost of materials, improves the capability of the manufacturing process, and reduces the operation flow, so that the genuine product rate and the production capacity are all improved.

The utility model has been described according to the above-mentioned preferred embodiment; however, it should be understood that this embodiment is only illustrative and not restrictive; for those skilled in the art, the technical solution of the utility model can be changed and amendments without departing from the protection scope of the present utility model. For example, although the present utility model takes the implementation of the PDP as the object of description, the technical solutions of the present utility model can also be applied to LCDs.

Claims (10)

1. A direct-attach structure of a plasma display panel with a polarizer, comprising: A plasma display panel, including a substrate, the substrate has a plurality of plasma display units, It is characterized in that the direct-attach structure of the above-mentioned plasma display panel also includes: A color filter unit, the color filter unit has a multi-layer structure, and is arranged on the above-mentioned plasma display panel, the color filter unit includes a polarizer layer, a phase difference plate layer and an electromagnetic wave shielding layer, the polarized light The board layer, phase difference board layer and electromagnetic wave shielding layer are arranged in the above order or in any order and combined. 2. The plasma display panel direct paste structure as claimed in claim 1, wherein the polarizer layer comprises a polarizer, and the polarizer has an anti-reflection layer, an anti-glare layer, an antistatic layer and an antifouling layer. One of the layers or a combination of multiple layers, these layers can be arranged above the polarizer in a single layer structure or arranged above and below the polarizer in a multilayer structure. 3. The plasma display panel direct-attach structure according to claim 2, wherein the anti-reflection layer, anti-glare layer, anti-static layer and anti-fouling layer are arranged on the polarizer by bonding or coating On the surface. 4. The plasma display panel direct-attached structure as claimed in claim 1, characterized in that, the retardation plate layer is 1/2 wavelength or 1/4 wavelength, and the retardation plate layer is a single-layer structure arranged on the polarized light. The upper part of the plate or a multi-layer structure is respectively arranged above and below the polarizing plate, and the retardation plate layer is arranged on the polarizing plate by bonding. 5. A plasma display panel direct-attach structure with a polarizer, comprising: A plasma display panel, including a substrate, the substrate has a plurality of plasma display units, It is characterized in that the direct-attach structure of the above-mentioned plasma display panel also includes: A color filter unit, the color filter unit has a multi-layer structure, and is arranged on the above-mentioned plasma display panel. The color filter unit is a multi-layer structure, including: a polarizer layer, a retardation plate layer, an electromagnetic wave A shielding layer, a mixed color correction layer and a near-infrared absorption or transmission structure layer, these layer structures can be arranged in the above order or in any order and combined. 6. The plasma display panel direct-attachment structure as claimed in claim 5, wherein the polarizer layer comprises a polarizer, and the polarizer has an anti-reflection layer, an anti-glare layer, an antistatic layer and an antifouling layer. One of the layers or a combination of multiple layers, these layers can be arranged above the polarizer in a single layer structure or arranged above and below the polarizer in a multilayer structure. 7. The plasma display panel direct-attach structure according to claim 6, wherein the anti-reflection layer, anti-glare layer, anti-static layer and anti-fouling layer are arranged on the polarizer by bonding or coating On the surface. 8. The plasma display panel direct-attach structure as claimed in claim 5, characterized in that, the retardation plate layer is 1/2 wavelength or 1/4 wavelength, and the retardation plate layer is a single-layer structure arranged on the polarized light. The upper part of the plate or a multi-layer structure is respectively arranged above and below the polarizing plate, and the retardation plate layer is arranged on the polarizing plate by bonding. 9 . The plasma display panel direct-attach structure according to claim 5 , wherein the mixed color correction layer and the near-infrared absorbing or transmissive structural layer are arranged on the plasma display panel by bonding. 10. The plasma display panel direct-attach structure according to claim 5 or 9, wherein the mixed color correction layer and the near-infrared absorbing or transmissive structural layer are coated on the plasma display panel.

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