ANZEIGETAFEL MIT EINEM LICHTLEITER

The display panel 21 comprises a light guide plate 2, a second plate 4 and a movable element 3 between both plates, for locally coupling light out of the light guide plate 2. Voltages applied to electrodes 5, 6 and 25 locally bring the movable element 3 into contact with the light guide plate 2 or t...

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Bibliographische Detailangaben
Hauptverfasser:	DUINE, PETER, A, COBBEN, PIERRE, L., H., M, BAKEN, JOANNA, M., E, VAN GORKOM, GERARDUS, G., P, MARRA, JOHANNES
Format:	Patent
Sprache:	ger
Schlagworte:	ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION BLASTING CRYPTOGRAPHY DISPLAY DISPLAYING EDUCATION FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LABELS OR NAME-PLATES LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SEALS SIGNS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	The display panel 21 comprises a light guide plate 2, a second plate 4 and a movable element 3 between both plates, for locally coupling light out of the light guide plate 2. Voltages applied to electrodes 5, 6 and 25 locally bring the movable element 3 into contact with the light guide plate 2 or the second plate 4. Means for reducing sticking of the movable element 3 to the plates comprise a roughness R 1 at the contact surface 14 of the light guide plate 2 facing the movable element 3, a roughness R 2 at the contact surface 15 of the movable element 3 facing the light guide plate 2, a roughness R 3 at the contact surface 16 of the second plate 4 facing the movable element 3 and a roughness R 4 at the contact surface 17 of the movable element 3 facing the second plate 4. The roughnesses R 1 and R 2 are smaller than at least one of the roughnesses R 3 and R 4. By virtue thereof, sticking is reduced and the display panel 21 requires relatively little energy to be operated.