Indeed, the mask served to expose photosensitive material to deposit the phosphor dots, one color at a time.

Brittlestar crystals were placed above photosensitive material, and light was shined through them.

A luminogram is an image created by exposure of photosensitive materials to light without the intervention of an object.

An anthotype is an image created using photosensitive material from plants.

A photosensitive material is a material that experiences a change in its physical properties when exposed to a radiation source.

A latent image is an invisible image produced by the exposure to light of a photosensitive material such as photographic film.

It is required for certain applications involving photosensitive materials when a darkroom is not available, like in the field.

Motel lamp with 1950's base and new shade of photosensitive material printed with a photograph.

Adding a general overall exposure of light to an photosensitive material to alter the material's response to a captured image is a long-known technique.

Exposure is a combination of the length of time and the illuminance at the photosensitive material.