摘要:
An image forming device includes: an exposure head having a plurality of light emitting elements arranged in a first direction, a first imaging optical system adapted to image light emitted from the light emitting elements, and a second imaging optical system disposed in a second direction with respect to the first imaging optical system; a latent image carrier movable in the second direction; a detection section adapted to detect a moving time the latent image carrier takes to move from a first position to a second position in the second direction; and a control section adapted to control the time from emission of a first part of the light emitting elements adapted to emit light to be imaged by the first imaging optical system to emission of a second part of the light emitting elements adapted to emit light to be imaged by the second imaging optical system based on the detection result of the detection section, thereby aligning a latent image formed on the latent image carrier by the first imaging optical system and a latent image formed on the latent image carrier by the second imaging optical system in the first direction.
摘要:
A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.
摘要:
A line head includes multiple light emitting element groups each including multiple light emitting elements. In each light emitting element group, the multiple light emitting elements are disposed in a two-dimensional arrangement so that a distance Gx is greater than a distance Gy. The light emitting element groups are arranged so that pitches Px are greater than pitches Py.
摘要:
A line head, includes: a microlens array in which a plurality of microlenses having a magnification whose absolute value is below 1 are arranged in a main scanning direction of a surface-to-be-scanned, and a plurality of luminous element groups which are arranged in a one-to-one correspondence with the respective plurality of microlenses, wherein in each of the plurality of luminous element groups, a plurality of luminous elements are arranged at mutually different main-scanning-direction positions in the main scanning direction, the plurality of luminous elements are respectively caused to emit lights at timings in conformity with a movement of the surface-to-be-scanned in a sub scanning direction, and light beams emitted from the plurality of luminous elements are imaged on the surface-to-be-scanned at mutually different main-scanning-direction positions in the main scanning direction to form a plurality of spots side by side on the surface-to-be-scanned in the main scanning direction, and in each of the plurality of luminous element groups, out of the plurality of luminous elements constituting the luminous element group, two luminous elements caused to emit lights to form adjacent spots are arranged at mutually different sub-scanning-direction positions in the sub scanning direction.
摘要:
An exposure head, includes: an imaging optical system; a first light emitting element that emits a light which is to be focused by the imaging optical system; a second light emitting element that emits a light which is to be focused by the imaging optical system; a first TFT circuit that is connected with the first light emitting element via an interconnection wire; and a second TFT circuit that is connected with the second light emitting element via an interconnection wire, wherein the first light emitting element and the second light emitting element are provided between the first TFT circuit and the second TFT circuit.
摘要:
A line head, includes: a microlens array in which a plurality of microlenses having a magnification whose absolute value is below 1 are arranged in a main scanning direction of a surface-to-be-scanned, and a plurality of luminous element groups which are arranged in a one-to-one correspondence with the respective plurality of microlenses, wherein in each of the plurality of luminous element groups, a plurality of luminous elements are arranged at mutually different main-scanning-direction positions in the main scanning direction, the plurality of luminous elements are respectively caused to emit lights at timings in conformity with a movement of the surface-to-be-scanned in a sub scanning direction, and light beams emitted from the plurality of luminous elements are imaged on the surface-to-be-scanned at mutually different main-scanning-direction positions in the main scanning direction to form a plurality of spots side by side on the surface-to-be-scanned in the main scanning direction, and in each of the plurality of luminous element groups, out of the plurality of luminous elements constituting the luminous element group, two luminous elements caused to emit lights to form adjacent spots are arranged at mutually different sub-scanning-direction positions in the sub scanning direction.
摘要:
A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.
摘要:
A line head, includes: a substrate which is provided with a plurality of luminous element groups which respectively include a plurality of luminous elements in a first direction which emit light beams; a lens array which includes a plurality of imaging lenses which are provided corresponding to the plurality of luminous element groups; and a light shielding member which is disposed between the substrate and the lens array and includes a plurality of light guiding holes which correspond to the plurality of luminous element groups, wherein the lens array is away from the light shielding member, an inner diameter of each of the plurality of light guiding holes in the first direction is a first light guiding hole diameter, and a bore diameter of each of the plurality of imaging lenses in the first direction is a first lens diameter, and the first light guiding hole diameter is smaller than the first lens diameter.
摘要:
An image forming apparatus, includes: a latent image carrier that moves in a first direction; an exposure head that includes a first imaging optical system, a second imaging optical system that is distanced from the first imaging optical system in the first direction, a light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system and a light emitting element that emits a light to be imaged on the latent image carrier by the second imaging optical system; and a controller that is adapted to control a light quantity of the light emitting element that emits a light to be imaged on the latent image carrier by the first imaging optical system in accordance with an imaging characteristic of the first imaging optical system.
摘要:
A line head, includes: a head substrate; a first light emitting element group which is arranged on the head substrate and includes a first light emitting element and a second light emitting element; a second light emitting element group and a third light emitting element group which are arranged in a first direction on the head substrate; a first wiring which is arranged between the second and the third light emitting element groups on the head substrate and is electrically connected with the first light emitting element; a second wiring which is arranged between the second and the third light emitting element groups on the head substrate and is electrically connected with the second light emitting element; and a connecting portion which is arranged on the head substrate and is electrically connected with the first and the second wirings.