A window assembly includes a pressure pane and a bezel proximate a periphery of the pressure pane and defining an inner opening. The bezel includes an inner wall with a channel. An electro-optic element is disposed in the inner opening and is received in the channel of the inner wall. The electro-op
A window assembly includes a pressure pane and a bezel proximate a periphery of the pressure pane and defining an inner opening. The bezel includes an inner wall with a channel. An electro-optic element is disposed in the inner opening and is received in the channel of the inner wall. The electro-optic element operates between a transmissive condition and a dimmed condition. A surface of the electro-optic element exhibits a first level of spectral reflectivity at least when in the dimmed condition. The assembly further includes a dust cover assembly proximate the bezel. The dust cover assembly including a light transmitting sheet and a plurality of light sources disposed at edges of the light transmitting sheet and to emit light into the light transmitting sheet to illuminate the light transmitting sheet with a diffuse light.
대표청구항▼
1. A window assembly comprising: a pressure pane;a bezel proximate a periphery of the pressure pane and defining an inner opening, the bezel including an inner wall with a channel;an electro-optic element disposed in the inner opening and received in the channel of the inner wall, the electro-optic
1. A window assembly comprising: a pressure pane;a bezel proximate a periphery of the pressure pane and defining an inner opening, the bezel including an inner wall with a channel;an electro-optic element disposed in the inner opening and received in the channel of the inner wall, the electro-optic element operating between a transmissive condition and a dimmed condition, a surface of the electro-optic element exhibiting a first level of spectral reflectivity at least when in the dimmed condition; anda dust cover assembly proximate the bezel, the dust cover assembly including a light transmitting sheet and a plurality of light sources disposed at edges of the light transmitting sheet and to emit light into the edge of the light transmitting sheet to illuminate a surface of the light transmitting sheet extending between the edges with a diffuse light having a uniform appearance over the surface. 2. The window assembly of claim 1, wherein the plurality of light sources emit light into the light transmitting sheet to illuminate the light transmitting sheet with the diffuse light such that less than 30% of the first level of spectral reflectivity from the surface of the electro-optic element is perceptible through the light transmitting sheet. 3. The window assembly of claim 2, wherein the diffuse light is such that less than 15% of the first level of spectral reflectivity from the surface of the electro-optic element is perceptible through the light transmitting sheet. 4. The window assembly of claim 1, wherein the pressure pane includes an interior surface and an exterior surface, the window assembly further including: an exterior pressure pane frame having an inner surface, the pressure pane being in abutting contact with the inner surface. 5. The window assembly of claim 1, wherein the light transmitting sheet is of a plastic material having a plurality of occlusions consistently distributed therein and assisting in directing light emitted into the edges of the sheet through the surface of the light transmitting sheet and into an adjacent area to illuminate the surface with the diffuse light having the uniform appearance over the surface. 6. The window assembly of claim 5, wherein the occlusions comprise one of cylinders or spheres incorporated into the light transmitting sheet. 7. The window assembly of claim 1, wherein the plurality of light sources are further configured to transmit light into the light transmitting sheet to illuminate the light transmitting sheet in a predetermined color. 8. The window assembly of claim 7, wherein the predetermined color is selected to generally match an interior sidewall of an aircraft cabin. 9. A window assembly comprising: an electro-optic element operating between a transmissive condition and a dimmed condition;a dust cover assembly proximate the electro-optic element and including a light transmitting sheet and a plurality of light sources disposed at edges of the light transmitting sheet to emit light into the edges of the light transmitting sheet to illuminate a surface of the light transmitting sheet extending between the edges with a diffuse light dispersed with a uniform appearance over the surface according to one of: a predetermined color, a predetermined intensity, and a combined predetermined color and intensity; anda control system coupled with the light sources of the dust cover assembly to control the illumination of the light transmitting sheet. 10. The window assembly of claim 9, further comprising: an aircraft window pressure pane including an interior surface and an exterior surface;an exterior pressure pane frame having an inner surface, the pressure pane being in abutting contact with the inner surface; anda bezel proximate a periphery of the pressure pane and defining an inner opening, the bezel including an inner wall with a channel, the electro-optic element being received within the channel. 11. The window assembly of claim 9, wherein the control system includes a user input coupled therewith to receive a user input related to at least one of the predetermined color, the predetermined intensity, and the predetermined color and intensity. 12. The window assembly of claim 9, further including a photosensor, wherein: the control system is further coupled with the photosensor; andthe control system implements a feedback loop to control the illumination of the light transmitting sheet according to information received from the photosensor. 13. The window assembly of claim 9, further including a photosensor, wherein: the control system is further coupled with the photosensor; andthe control system implements a feedback loop to control the illumination of the light transmitting sheet such that the plurality of light sources emit light into the light transmitting sheet to further illuminate the light transmitting sheet with a diffuse light at a level greater than a level of ambient light reflected by a surface of the electro-optic element. 14. The window assembly of claim 9, wherein the predetermined color is selected to generally match an interior sidewall of an aircraft cabin. 15. A method for controlling a perceived level of reflectivity of a window assembly, comprising: determining a perceivable level of ambient light reflected by a surface of an electro-optic element within the window assembly; andilluminating a plurality of light sources disposed at edges of a light transmitting sheet adjacent the electro-optic element to cause the light sources to emit light into the edges of the light transmitting sheet, such light being uniformly directed outwardly from the light transmitting sheet toward the cabin to illuminate the light transmitting sheet with a diffuse light at a level greater than the perceivable level of ambient light reflected from the surface of the electro-optic element. 16. The method of claim 15, wherein: the electro-optic element operates between a transmissive condition and a dimmed condition; anddetermining the perceivable level of ambient light reflected includes estimating the perceivable level of ambient light reflected based on a correlation thereof with an operating state of the electro-optic element between the transmissive condition and the dimmed condition. 17. The method of claim 15, wherein determining the perceivable level of ambient light reflected includes receiving a measurement of ambient light from a photosensor. 18. The method of claim 15, further including adjusting the diffuse light using a feedback loop based on ambient light information received from a photosensor. 19. The method of claim 15, further including illuminating the light transmitting sheet according to one of: a predetermined color, a predetermined intensity, and a combined predetermined color and intensity. 20. The method of claim 19, wherein the one of the predetermined color, the predetermined intensity, and the combined predetermined color and intensity are received from a user.
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