JPS5995301U - optical lens - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来技術によるテレビジョン画像投写装置の要
部断面図、第２図は本考案の一実施例の光学レンズの透
明枠要部断面図、第３図は同じ七投写管と一体的に組合
わせた時の要部断面図である。 ３−１．　３’　−１，３−２，３’　−２：透明枠、
４：液体、５−１．”　５１：穴、６，８：舌片。Fig. 1 is a sectional view of the main part of a television image projection device according to the prior art, Fig. 2 is a sectional view of the main part of a transparent frame of an optical lens according to an embodiment of the present invention, and Fig. 3 is a sectional view of the main part of a transparent frame of an optical lens according to an embodiment of the present invention. FIG. 3-1. 3'-1, 3-2, 3'-2: Transparent frame,
4: Liquid, 5-1. ” 51: Hole, 6, 8: Tongue piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 光学プラスチックの枠に液体を封止して成る凹形状を有
した光学レンズにおいて、前記光学レンズを透明枠３′
−１と透明枠３′−２の２つの部分に分けて成形し、し
かる後に透明枠３′−１と透明枠３′−２を互いに接合
し、投写管イと透明枠３’−１，３’　−２とに囲まれ
た空間に液体４を江大して形成されることを特徴とする
光学レンズ。In an optical lens having a concave shape formed by sealing a liquid in an optical plastic frame, the optical lens is attached to a transparent frame 3'.
-1 and transparent frame 3'-2, and then the transparent frame 3'-1 and the transparent frame 3'-2 are joined together, and the projection tube A and the transparent frame 3'-1, An optical lens characterized in that it is formed by enlarging a liquid 4 in a space surrounded by 3' and 2.