JP2006215372A - Light diffusion adjustment method of display plate - Google Patents

Light diffusion adjustment method of display plate Download PDF

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Publication number
JP2006215372A
JP2006215372A JP2005029283A JP2005029283A JP2006215372A JP 2006215372 A JP2006215372 A JP 2006215372A JP 2005029283 A JP2005029283 A JP 2005029283A JP 2005029283 A JP2005029283 A JP 2005029283A JP 2006215372 A JP2006215372 A JP 2006215372A
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Prior art keywords
light diffusion
transparent resin
resin layer
adjustment method
display plate
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JP2005029283A
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Japanese (ja)
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Tetsuto Miyanishi
哲人 宮西
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Marelli Corp
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Calsonic Kansei Corp
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Priority to JP2005029283A priority Critical patent/JP2006215372A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a light diffusion adjustment method of a display plate capable of expressing a texture which has gloss partially. <P>SOLUTION: A flat surface 9 is formed by applying heat only to a part corresponding to a metal-like image figure 5 of a light diffusion shape 7 formed on the surface of a transparent resin layer 4 by means of a thermal head 8. Because a light diffusion effect disappears only on the flat surface 9, gloss is produced only on the part and the texture seemingly high-ranking can be obtained. It is also preferable that, in place of the thermal head 8, laser is applied only to the part corresponding to the metal-like image figure 5 and the light diffusion shape 7 of the transparent resin layer 4 is removed or fused by heat of laser application to flatten the surface. The light diffusion adjustment method of display plate facilitates partial surface gloss adjustment, thereby dealing with various variations inexpensively. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、表示板の光拡散調整方法に関するものである。   The present invention relates to a light diffusion adjustment method for a display panel.

自動車の計器パネル等に使用される表示板は、文字やマーク等の意匠を表したインク層を有し、その表面を透明樹脂層により保護している。透明樹脂層の表面には、微細凹凸状の光拡散形状が付与されている。透明樹脂層の表面で光を乱射させ、周囲の映り込みを防止して、インク層の視認性を高めるためである（例えば、特許文献１参照）。
特開２００４−２７９１０４号公報 A display board used for an instrument panel of an automobile has an ink layer representing a design such as characters and marks, and the surface thereof is protected by a transparent resin layer. The surface of the transparent resin layer is provided with a fine uneven light diffusion shape. This is because light is scattered on the surface of the transparent resin layer to prevent reflection of surroundings and improve the visibility of the ink layer (for example, see Patent Document 1).
JP 2004-279104 A

しかしながら、このような従来の技術にあっては、透明樹脂層の表面全体に光拡散形状が付与されているため、透明樹脂層の表面の中に、部分的に艶のある質感を表現することができない。例えばインク層中にワンポイントで金属調のロゴがあるような場合にも、その部分だけ艶のある質感にすることができない。   However, in such a conventional technique, since the light diffusion shape is given to the entire surface of the transparent resin layer, a glossy texture is partially expressed in the surface of the transparent resin layer. I can't. For example, even when there is a one-point metallic logo in the ink layer, only that portion cannot be made glossy.

本発明は、このような従来の技術に着目してなされたものであり、部分的に艶のある質感を表現することができる表示板の光拡散調整方法を提供するものである。   The present invention has been made by paying attention to such a conventional technique, and provides a light diffusion adjustment method for a display panel capable of expressing a partially glossy texture.

請求項１記載の発明は、インク層の表面側に透明樹脂層が形成され、該透明樹脂層の表面に微細凹凸状の光拡散形状が付与された表示板の光拡散調整方法であって、前記透明樹脂層の表面に部分的に熱を加えて、光拡散形状による光拡散度合を変化させることを特徴とする。   The invention according to claim 1 is a light diffusion adjustment method of a display board in which a transparent resin layer is formed on the surface side of an ink layer, and a fine uneven light diffusion shape is provided on the surface of the transparent resin layer, The surface of the transparent resin layer is partially heated to change the light diffusion degree due to the light diffusion shape.

請求項１記載の発明によれば、透明樹脂層の表面に部分的に熱を加えて、光拡散形状による光拡散度合を変化させるようにしたため、部分的に艶のある質感を表現することができる。   According to the first aspect of the present invention, the surface of the transparent resin layer is partially heated to change the light diffusion degree due to the light diffusion shape, so that a partially glossy texture can be expressed. it can.

部分的に艶のある質感を表現することができる表示板の光拡散調整方法を提供するという目的を、インク層の表面側に透明樹脂層が形成され、該透明樹脂層の表面に微細凹凸状の光拡散形状が付与された表示板の光拡散調整方法であって、前記透明樹脂層の表面に部分的に熱を加えて、光拡散形状による光拡散度合を変化させることで、実現した。以下、本発明の実施形態を図面に基づいて説明する。   A transparent resin layer is formed on the surface side of the ink layer, and the surface of the transparent resin layer is formed with fine irregularities for the purpose of providing a light diffusion adjustment method for a display panel that can express a partially glossy texture. The light diffusion adjusting method for the display panel provided with the light diffusion shape is realized by partially applying heat to the surface of the transparent resin layer to change the light diffusion degree due to the light diffusion shape. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１〜図４は、本発明の一実施例を示す図である。この実施例では、自動車の内装品に使用される表示板１を説明する。この表示板１は、基材２と、インク層３と、透明樹脂層４とか構成されている。   1 to 4 are diagrams showing an embodiment of the present invention. In this embodiment, a display board 1 used for automobile interior parts will be described. The display board 1 includes a base material 2, an ink layer 3, and a transparent resin layer 4.

インク層３は、基材２に接合する前の透明樹脂層４の片面に、インクリボンにより多色熱転写印刷される。インク層３の中には、ワンポイントで金属調のロゴを表現する金属調描画図５も形成されている。金属調描画図５だけ金属顔料が含まれている。そして、透明樹脂層４は、印刷後にインク層３側から基材２に接合される。   The ink layer 3 is subjected to multicolor thermal transfer printing with an ink ribbon on one side of the transparent resin layer 4 before being bonded to the substrate 2. Also formed in the ink layer 3 is a metallic drawing 5 representing a metallic logo at one point. Metallic drawing FIG. 5 contains only a metallic pigment. And the transparent resin layer 4 is joined to the base material 2 from the ink layer 3 side after printing.

透明樹脂層４と基材２を接合した後、透明樹脂層４の表面には金属ローラー６で、微細凹凸状の光拡散形状７が全面的に形状転写される。光拡散形状７は微細凹凸であるが、図で拡大して示している。光拡散形状７が付与された透明樹脂層４の表面は、光が拡散されて艶消し状態となる。   After the transparent resin layer 4 and the base material 2 are joined, a fine concavo-convex light diffusion shape 7 is entirely transferred onto the surface of the transparent resin layer 4 by a metal roller 6. The light diffusion shape 7 is a fine unevenness, but is shown enlarged in the figure. The surface of the transparent resin layer 4 to which the light diffusing shape 7 is imparted is in a matte state as light is diffused.

そして、光拡散形状７が全面に付与された後、金属調描画図５に相当する部分だけ、加熱式のサーマルヘッド８を接触させて表面の光拡散形状７を溶融させ、平滑面９を形成する。金属顔料を含有した金属調描画図５のみ、光拡散効果がなくなるため、その部分だけ艶があり、高級感のある質感が得られる。   Then, after the light diffusing shape 7 is applied to the entire surface, the surface of the light diffusing shape 7 is melted by bringing the heating thermal head 8 into contact with only the portion corresponding to the metallic tone drawing 5 to form a smooth surface 9. To do. Since only the metallic tone drawing 5 containing the metal pigment has no light diffusion effect, only that portion is glossy and a high-quality texture can be obtained.

サーマルヘッド８により、光拡散形状７による光拡散効果を完全に無くしても良いし、完全に無くさずに部分的に光拡散効果を変化させて、別の質感を表現しても良い。   The thermal head 8 may completely eliminate the light diffusing effect due to the light diffusing shape 7 or may partially change the light diffusing effect without completely erasing it to express another texture.

また、サーマルヘッド８に代えて、金属調描画図５に相当する部分だけに、レーザーを照射し、その熱により、透明樹脂層４の光拡散形状７を除去、もしくは溶融させて、表面を平滑化させても良い。容易に部分的な表面艶調整が可能となり、いろいろなバリエーションに廉価で対応できる。   Further, instead of the thermal head 8, only the portion corresponding to the metallic tone drawing 5 is irradiated with laser, and the light diffusion shape 7 of the transparent resin layer 4 is removed or melted by the heat to smooth the surface. You may make it. Partial surface gloss adjustment can be easily performed, and various variations can be handled at low cost.

この実施例では、自動車の内装品に使用される表示板１を例にしたが、自動車用に限らず、本発明は全ての産業分野の表示板に適用可能である。   In this embodiment, the display board 1 used for automobile interior parts is taken as an example, but the present invention is not limited to automobiles, and the present invention can be applied to display boards in all industrial fields.

本発明の一実施例に係る表示板を示す断面図。Sectional drawing which shows the display board which concerns on one Example of this invention. 透明樹脂層の表面への光拡散形状転写状態を示す表示板の断面図。Sectional drawing of the display board which shows the light-diffusion shape transcription | transfer state to the surface of a transparent resin layer. サーマルヘッドによる光拡散形状の加熱状態を示す表示板の断面図。Sectional drawing of the display board which shows the heating state of the light diffusion shape by a thermal head. 平滑面を部分的に形成した状態を示す表示板の断面図。Sectional drawing of the display board which shows the state in which the smooth surface was partially formed.

符号の説明Explanation of symbols

１ 表皮材
２ 基材
３ インク層
４ 透明樹脂層
５ 金属調描画図
６ 金属ローラー
７ 光拡散形状
８ サーマルヘッド
９ 平滑面 DESCRIPTION OF SYMBOLS 1 Skin material 2 Base material 3 Ink layer 4 Transparent resin layer 5 Metal-tone drawing 6 Metal roller 7 Light diffusion shape 8 Thermal head 9 Smooth surface

Claims (1)

インク層（３）の表面側に透明樹脂層（４）が形成され、該透明樹脂層（４）の表面に微細凹凸状の光拡散形状（７）が付与された表示板の光拡散調整方法であって、
前記透明樹脂層（４）の表面に部分的に熱を加えて、光拡散形状（７）による光拡散度合を変化させることを特徴とする表示板の光拡散調整方法。 Light diffusion adjustment method for display board, wherein transparent resin layer (4) is formed on the surface side of ink layer (3), and fine uneven light diffusion shape (7) is provided on the surface of transparent resin layer (4) Because
A method of adjusting the light diffusion of a display board, wherein the surface of the transparent resin layer (4) is partially heated to change the degree of light diffusion by the light diffusion shape (7).
JP2005029283A 2005-02-04 2005-02-04 Light diffusion adjustment method of display plate Withdrawn JP2006215372A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11232759B2 (en) 2015-04-01 2022-01-25 Samsung Display Co., Ltd. Display apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11232759B2 (en) 2015-04-01 2022-01-25 Samsung Display Co., Ltd. Display apparatus

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