Abstract: A developing cartridge includes an electrophotographic photosensitive member, and a developing roller for contacting the electrophotographic photosensitive member to develop an electrostatic latent image formed on the electrophotographic photosensitive member. The developing cartridge also includes a force receiving portion, projected in an axial direction of the developing roller, for receiving a force for spacing the developing roller and the electrophotographic photosensitive member.

Abstract: An electrophotographic image forming apparatus for forming an image on a transfer member, includes a main assembly of the electrophotographic image forming apparatus which is provided with a transfer member for transferring a developer image onto the transfer member; a supporting member movable between an inside position which is for supporting an electrophotographic photosensitive member on which the developer image is to be formed and which is inside the main assembly, and an outside position which is outside the main assembly; and a contacting and spacing member movable between a first position for spacing the electrophotographic photosensitive member from the transfer member in the state that the supporting member is in the inside position, and a second position for contacting the electrophotographic photosensitive member to the transfer member, the contacting and spacing member being provided in the supporting member.

Abstract: A photosensitive drum unit to which a coupling member 200 is easily mounted is provided. A drum flange 250 is fixed to one end portion of a cylinder 20A having a photosensitive layer at a peripheral surface. The coupling member 200 is inserted into the drum flange 250. Finally, a closing member 230 is mounted to the drum flange 250.

Abstract: In an image forming apparatus including a door 10 openable with respect to a main assembly of the image forming apparatus, a drum cartridge 8 detachably mountable to the image forming apparatus main assembly, and detachably mountable developing cartridges 4k-4y provided above the drum cartridge 8, wherein the door 10 includes a positioning urging portion 26 contacting the developing cartridges in a state in which the door 10 is closed, the door 10 includes drum cartridge mounting and demounting guides 28R and 28L for regulating the drum cartridge 8 so as to pass along a non-interference path with the positioning urging portion 26 in contact to the drum cartridge 8 when the drum cartridge 8 is demounted from the image forming apparatus.

Abstract: An image forming apparatus includes a cartridge supporting member movable between an inside position in a state of carrying a first cartridge and a second cartridge, and a drawn position in which said first cartridge and said second cartridge are mountable and demountable relative to said cartridge supporting member. The supporting member includes a first mounting portion for a first cartridge, and a second mounting portion for a second cartridge which is disposed upstream of said first mounting portion with respect to a supporting member drawing direction. A first guide portion for the first cartridge, and a second guide portion for said second cartridge, wherein a downward movement distance of said second cartridge when the cartridge is demounted from said second mounting portion is larger than that of said first cartridge.

Abstract: An electrophotographic image forming apparatus for forming an image on a recording material, includes an electrophotographic photosensitive drum; a cartridge including a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum, the cartridge containing a developer for effecting development and including a force receiving portion, wherein the cartridge is mounted to a main assembly of the electrophotographic image forming apparatus; and an urging member for urging the cartridge; wherein by mounting the cartridge, the force receiving portion receives a force from the urging member to urge the developing roller to the electrophotographic photosensitive drum.

Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element that individually becomes luminous depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a voltage signal, where the pixels are arranged in a matrix pattern. The display device includes a luminescence amount regulator for setting a reference duty for regulating a luminescence amount for each one frame, according to the input picture signal, and an adjuster for adjusting an effective duty that regulates, for each one frame, a luminous time for which the luminescence element is luminous, and a gain of the picture signal, based on the reference duty and the input picture signal, so that the luminescence amount is constant before and after adjustment.

Abstract: An image forming apparatus is provided for forming an image on a recording material. The apparatus includes a cartridge supporting member on which a plurality of cartridges is detachably mountable. The cartridge supporting member is movable between an inside position inside a main assembly of the image forming apparatus and an outside position outside the main assembly. A plurality of preventing members are provided movably in the main assembly, with each preventing member being movable between a first position in which each preventing member prevents movement of the cartridge supporting member from the outside position to the inside position by contacting the cartridge supporting member, and a second position, retracted from the first position, in which each preventing member permits the movement of the cartridge supporting member.

Abstract: An image forming apparatus is provided for forming an image on a recording material. The apparatus includes a plurality of cartridges, and a cartridge supporting member including a plurality of mounting portions in which the plurality of cartridges is detachably mountable. A plurality of preventing members are each provided movably in an associated cartridge, corresponding to the plurality of mounting portions. Each preventing member is movable between a first position in which each preventing member prevents movement of the cartridge supporting member from an outside position to an inside position by contacting the main assembly, and a second position, retracted from the first position, in which each preventing member permits the movement of the cartridge supporting member.

Abstract: A display apparatus includes: a display unit that displays an image; an image signal processing unit that divides each of left-eye and right-eye images input in accordance with a frame sequential format into an upper-half signal of a screen upper portion and a lower-half signal of a screen lower portion and generates left-eye and right-eye images of the frame sequential format in upper and lower division simultaneous driving of a screen of the display unit so that the upper-half signal of the left-eye image and the lower-half signal of the right-eye image at each time become an input image at an identical time; and a driving control unit that vertically divides the screen of the display unit into two portions and simultaneously drives the screen upper portion and the screen lower portion to display the left-eye and the right-eye images processed by the image signal processing unit.

Abstract: An electrophotographic image forming apparatus includes an image forming unit including a transfer member for transferring a developed image formed on an electrophotographic photosensitive drum, and a mounting portion for demountably mounting a cartridge, the image formation unit being movable, in a state that the cartridge is demountably mounted, between a transfer position for transferring the developed image, and a mounting and demounting position, different from the transfer position, and a regulating member for limiting movement of the cartridge mounted to the mounting portion, when the unit moves between the transfer position and the mounting and demounting position, the regulating member being movable between a regulating position for limiting the movement of the cartridge, and a permitting position for permitting mounting and demounting of the cartridge, and the regulating member being in a regulating position when the unit moves between the transfer position and the mounting and demounting position.

Abstract: An electrophotographic image forming apparatus includes a cartridge detachably mountable to a main assembly of the apparatus, the cartridge including a photosensitive drum, a drum frame, a force receiving portion for receiving a driving force, and a regulated portion; a transfer member for transferring a developer image onto a toner image receiving member; a supporting member movable between an inside position, wherein the supporting member detachably supports the cartridge and an outer position, wherein the cartridge is mountable and demountable; a moving member capable of taking a first position, where the moving member urges the regulated portion to space the drum from the transfer member and a second position to contact the drum to the transfer member; and a regulating portion for engaging with the regulated portion to regulate rotation of the cartridge, and for permitting movement of the supporting member between the outer and inside positions.

Abstract: There is provided a display device including a display unit having pixels, each of which includes a luminescence element for individually emitting light depending on a current amount and a pixel circuit for controlling a current applied to the luminescence element according to a picture signal, scan lines which supply a selection signal for selecting the pixels to emit light to the pixels in a predetermined scanning cycle, and data lines which supply the picture signal to the pixels, the pixels, the scan lines, and the data lines arranged in a matrix pattern, the display device including: a luminescence amount detector for inputting a picture signal with a linear characteristic to detect a luminescence amount from the picture signal; a luminescence time calculator for calculating a luminescence time for the luminescence element based on the luminescence amount detected by the luminescence amount detector; a luminescence time recorder for recording the calculated luminescence time; a luminance acquirer for acq

Abstract: Provided is an image forming apparatus. The image forming apparatus is provided with guide portions to be used to mount a cartridge group including plural cartridges in the image forming apparatus. Some of the guide portions are used also to mount an alternative cartridge, which is configured to occupy two or more of plural mounting spaces, in the image forming apparatus.

Abstract: A guide surface of an attachment guide for a cartridge attached to a position nearest to a scanner has, in the vicinity of an inlet of the attachment guide, a portion oriented so as to be away from a guide surface of a guide unit for another cartridge from the upstream toward the downstream side in the direction in which the cartridges are attached.

Abstract: Provided is a configuration in which a scanner is mounted to a cartridge door via an elastic member, and the scanner is positioned relative to a frame that can be mounted to and demounted from an apparatus main body and that supports an intermediate transfer member and a photosensitive member using an urging force of the elastic member.

Abstract: An electrophotographic image forming apparatus includes an image forming unit including a transfer member for transferring a developed image formed on an electrophotographic photosensitive drum, and a mounting portion for demountably mounting a cartridge, the image formation unit being movable, in a state that the cartridge is demountably mounted, between a transfer position for transferring the developed image, and a mounting and demounting position, different from the transfer position, and a regulating member for limiting movement of the cartridge mounted to the mounting portion, when the unit moves between the transfer position and the mounting and demounting position, the regulating member being movable between a regulating position for limiting the movement of the cartridge, and a permitting position for permitting mounting and demounting of the cartridge, and the regulating member being in a regulating position when the unit moves between the transfer position and the mounting and demounting position.

Abstract: A paste composition with no bow of a silicon semiconductor substrate and no blisters and globules of aluminum in the aluminum electrode layer obtained after firing. In addition, adhesiveness of an aluminum electrode layer and the silicon semiconductor substrate is enhanced and the reaction of the aluminum electrode layer and moisture is suppressed. A solar cell element including electrodes is formed by using the composition. The paste composition is a paste used for forming an electrode on a silicon semiconductor substrate including an aluminum powder, an organic vehicle, and glass frit. The glass frit including at least one kind of a transition metal oxide selected from the group including a titanium oxide, a vanadium oxide, an iron oxide, a molybdenum oxide, a neodymium oxide, and a tungsten oxide. A solar cell element includes a back side electrode formed by using the above paste composition.

Abstract: A display device includes: a light emission amount detecting section which inputs video signals having linear property and detects an amount of light emission from the video signals; a light emitting time calculating section which calculates light emitting time of the light emitting elements based on the amount of light emission detected by the light emission amount detecting section; a light emitting time recording section which records the calculated light emitting time; a luminance acquiring section which, acquires luminance information of the light emitting elements using the light emitting time recorded in the light emitting time recording section; a coefficient calculating section which calculates coefficients by which the video signals are multiplied based on the luminance information acquired by the luminance acquiring section; and a coefficient multiplying section which multiplies the video signals by the coefficients calculated by the coefficient calculating section.

Abstract: An electrophotographic image forming apparatus for forming an image on a recording medium includes a cartridge configured to store developer, a transfer member located opposite an electrophotographic photosensitive member and configured to transfer a developed image formed on the electrophotographic photosensitive member to the recording medium, a supporting member that is movable, while supporting the cartridge, between an image forming position where image formation is conducted inside an apparatus body of the electrophotographic image forming apparatus and an attachment/detachment position which is spaced away from the image forming position and where attachment/detachment of the cartridge is feasible, and a waste developer container supported so as to be attachable/detachable with respect to the supporting member, having a cleaning member configured to remove the developer from a surface of the transfer member, and configured to store the developer removed by the cleaning member.