Holographic display panel for a vehicle windshield

Claim 2

An improved display panel for a vehicle having a windshield comprising: means for monitoring an operating characteristic of the vehicle; means for providing an indication of the status of the vehicle operating characteristic including a substantially transparent hologram member mounted adjacent and in the line of sight of the windshield and having a predetermined indicia indicative of the specific status, the transparent hologram member includes an indicia of a virtual image that appears to be realized at a location offset and exterior of the windshield to facilitate viewing by far-sighted drivers, and means to illuminate the indicia indicative of a certain corresponding status.

Claim 3

The invention of claim 1 wherein the means for monitoring includes a sensor member and the means for providing an indication includes means for determining the status of the sensor and activating a corresponding illumination of a hologram member indicative of that status.

Claim 4

The invention of claim 1 wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material recording the image and a protective exterior coating to provide abrasive resistance.

Claim 5

The invention of claim 3 wherein the hologram member includes a second film layer of holographic material supporting a second image to reflect stray light to prevent inadvertent activation of the image in the first film layer.

Claim 6

The invention of claim 1 wherein the means for illuminating includes a fiber optic connector and a light source at one end of the fiber optic connector.

Claim 7

An improved windshield and display panel combination for providing an indication of the operating conditions of certain functions of a vehicle to the driver with virtual images, comprising: means for providing an indication of the status of the operating condition with a number of substantially transparent hologram members laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized as appearing offset from the windshield and to the exterior of the windshield when appropriately illuminated; and means for illuminating the holographic images to indicate the operating condition, wherein the hologram members while configured to simulate the curvature of the windshield location to which they are to be laminated.

Claim 8

An improved windshield and display panel combination for providing an indication of the operating conditions of certain functions of a vehicle to the driver with virtual images, comprising: means for providing an indication of the status of the operating condition with a number of substantially transparent hologram members laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized as appearing offset from the windshield and to the exterior of the windshield when appropriately illuminated; and means for illuminating the holographic images to indicate the operating condition, wherein the hologram members while configured to simulate the curvature of the windshield location to which they are to be laminated.

Claim 9

The invention of claim 6 wherein the means for illuminating includes a fiber optical link, a source light and a projection lens.

Claim 10

The invention of claim 6 wherein the hologram members have dual film layers of holographic material.

Claim 11

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics of the vehicle; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized as appearing offset from the windshield when appropriately illuminated; hologram barrier means for isolating each holographic image from activation by ambient light; and means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams of predetermined angular characteristics.

Claim 12

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics of the vehicle; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized as appearing offset from the windshield when appropriately illuminated; hologram barrier means for isolating each holographic image from activation by ambient light; and means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams of predetermined angular characteristics.

Claim 13

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics of the vehicle; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized when appropriately illuminated; and means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams that are transmitted from an edge of the hologram member through the hologram member.

Claim 14

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics of the vehicle; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized when appropriately illuminated; and means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams that are transmitted from an edge of the hologram member through the hologram member.

Claim 15

The invention of claim 10 wherein the vehicle has a mounting member, such as a dashboard member, adjacent one surface of the windshield and the hologram member is laminated so that a bottom edge of the hologram member extends beneath a surface of the dashboard member and the means for illuminating is connected to the edge of the hologram member beneath the surface of the dashboard member.

Claim 16

The invention of claim 10 wherein the means for monitoring includes a sensor member and the means for providing an indication includes means for determining the status of the sensor and activating a corresponding illumination of a hologram member indicative of that status.

Claim 17

The invention of claim 10 wherein the transparent hologram member includes an indicia of a virtual image that appears to be realized at a location offset from the windshield.

Claim 18

The invention of claim 10 wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material recording the image and a protective exterior coating to provide abrasive resistance.

Claim 19

The invention of claim 10 wherein the means for illuminating includes a fiber optic connector and a light source at one end of the fiber optic connector.

Claim 20

The invention of claim 10 wherein the hologram member has a characteristic of recording the image while configured to simulate the curvature of the windshield location to which it is to be laminated.

Claim 21

In a holographic display system for activating a virtual image, the improvement comprising: a substantially transparent hologram member within the visible spectrum of light having a developed holographic image representative of a wavefront of a predetermined indicia whose virtual image is activated when appropriately illuminated by a reconstruction reference beam; hologram barrier means for isolating the holographic image from activation by ambient light, and means for illuminating the holographic image to activate the virtual image.

Claim 22

In a holographic display system for activating a virtual image, the improvement comprising: a substantially transparent hologram member within the visible spectrum of light having a developed holographic image representative of a wavefront of a predetermined indicia whose virtual image is activated when appropriately illuminated by a reconstruction reference beam; hologram barrier means for isolating the holographic image from activation by ambient light, and means for illuminating the holographic image to activate the virtual image.

Claim 23

The invention of claim 17 wherein the virtual image is a reflective surface.

Claim 24

The invention of claim 17 wherein the virtual image is a predetermined indicia that is realized by the reference beam.

Claim 25

The invention of claim 17 wherein a composite holographic image is provided and the means for illumination includes different wavelengths of reference beams to activate different portions of the composite holographic image.

Claim 26

The invention of claim 17 wherein the means for illuminating includes a fiber optical coupling system that is attached to the edge of the hologram member.

Claim 27

The invention of claim 17 further including means for removing any distortion of any mounting of the hologram member on a non-planar surface.

Claim 28

An improved display panel for a vehicle having a windshield comprising: means for monitoring an operating characteristic of the vehicle; means for providing an indication of the status of the vehicle operating characteristic including a substantially transparent hologram member mounted adjacent and in a line of sight through the windshield and having a predetermined indicia indicative of the specific status, wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material recording the image and a second film layer of holographic material to reflect stray light to prevent inadvertent activation of the image in the first film layer, and means to illuminate the hologram indicia indicative of a certain corresponding status.

Claim 29

An improved display panel for a vehicle having a windshield comprising: means for monitoring an operating characteristic of the vehicle; means for providing an indication of the status of the vehicle operating characteristic including a substantially transparent hologram member mounted adjacent and in a line of sight through the windshield and having a predetermined indicia indicative of the specific status, wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material recording the image and a second film layer of holographic material to reflect stray light to prevent inadvertent activation of the image in the first film layer, and means to illuminate the hologram indicia indicative of a certain corresponding status.

Claim 30

The invention of claim 23 wherein the hologram member includes a protective exterior coating to provide abrasive resistance.

Claim 31

The invention of claim 23 wherein the means for illuminating includes a fiber optic connector and a light source at one end of the fiber optic connector.

Claim 32

The invention of claim 23 wherein the hologram member is recorded while configured to simulate the curvature of the windshield location to which it is to be laminated.

Claim 33

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized when appropriately illuminated, wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material for recording the images, and a second film layer of holographic material to reflect stray light to prevent inadvertent activation of the images in the first film layer, and holographic means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams that are transmitted from an edge of the hologram member through the hologram member to contact the holographic images.

Claim 34

An improved display panel system for a vehicle having a windshield comprising: means for monitoring operating characteristics; hologram means for providing an indication of the status of the monitored operating characteristics including a substantially transparent hologram member laminated to the windshield to provide a plurality of predetermined holographic images, each image representative of a wavefront of a predetermined indicia whose virtual image is realized when appropriately illuminated, wherein the hologram member includes a transparent flexible substrate suitable for lamination to a windshield, a first film layer of a holographic material for recording the images, and a second film layer of holographic material to reflect stray light to prevent inadvertent activation of the images in the first film layer, and holographic means for illuminating the holographic indicia images in response to the monitoring means with reconstruction light beams that are transmitted from an edge of the hologram member through the hologram member to contact the holographic images.

Claim 35

The invention of claim 27 wherein the means for monitoring includes a sensor member and the means for providing an indication includes means for determining the status of the sensor and activating a corresponding illumination of a hologram member indicative of that status.

Claim 36

The invention of claim 27 wherein the transparent hologram member includes an indicia of a virtual image that appears to be realized at a location offset from the windshield.