BMW ON-BOARD MONITOR AND NAVIGATION SYSTEMS FOR E38 E39 E46 E53 Manuel d'utilisateur télécharger pdf (Page 50)

Mk-3 Navigation System On-Board Monitor with Widescreen Display Chapter 6 P.9

Course Contents/Background Material

The reflection principle

The reflection principle is used along with the transflection

principle for LC displays which have been manufactured in

Ad-TFT technology.

Ambient light is reflected by the microreflective electrodes. This

reflected light is used on the screen surface by controlling the

RGB transistors using a "colour matrix". The corresponding

image is displayed on the screen surface, according to RGB

transistor control.

Fig. 2: The reflection principle with LC displays

Index Explanation Index Explanation

4 Microreflective electrodes 9 Delaying film

5 Delaying film R RGB colour filter, red

6 Polariser G RGB colour filter, green

7 Ambient lighting B RGB colour filter, blue

8 Liquid crystal layer

KT-5857

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 56 57

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BMW ON-BOARD MONITOR AND NAVIGATION SYSTEMS FOR E38 E39 E46 E53 Manuel d'utilisateur Page 50