PROBLEM TO BE SOLVED: To obtain uniform transmitted illumination in a measuring instrument for vehicle which performs switching among a plurality of colors of illumination.SOLUTION: A measuring instrument for vehicle includes: a display plate 112 having an index part; a circuit board P disposed at a predetermined interval from this display plate 112; a first light source 161 mounted on the circuit board P and illuminating the index part; a second light source 162 mounted on the circuit board P and emitting a luminescent color different from the first light source 161; control means for controlling turning on/off of the first light source 161 and the second light source 162; and a dimming member 180 having a halftone printing layer 183 for adjusting the quantity of the transmitted light to the index part side from the first and second light sources 161, 162. The dimming member 180 is provided such that a distance D1 between the halftone printing layer 183 and each of the light sources 161, 162 is equal to or less than half of a distance D2 between the first light source 161 and the second light source 162.
【課題】複数色の照明切り替えを行う車両用計器において、均一な透過照明を得る。【解決手段】指標部を有する表示板112と、この表示板112から所定間隔をおいて設けられる回路基板Pと、回路基板Pに実装され、指標部を照明する第1の光源161と、回路基板Pに実装され第1の光源161と異なる発光色を発する第2の光源162と、第1の光源161と第2の光源162とを点消灯制御する制御手段と、表示板112と回路基板Pとの間に設けられ、第1,第2の光源161,162から指標部側への透過光量を調整する網点印刷層183を有する調光部材180と、を備え、調光部材180は、網点印刷層183と各光源161,162との間の距離D1が、第1の光源161と第2の光源162との距離D2の半分以下になるように備える。【選択図】図4
MEASURING INSTRUMENT FOR VEHICLE
車両用計器
2015-08-24
Patent
Electronic Resource
Japanese
IPC: | G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE , Anzeigen oder Aufzeichnen in Verbindung mit Messen allgemein / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |