Abstract: A plurality of LEDs (12) include an LED group (12G) wherein the LEDs are arranged in a row, and at least one LED (12T) not in the row. The position of the LED group (12G) in a row on a light guide plate (41) is specified by bringing the LED (12T) into contact with the light guide plate (41).

Abstract: A chassis assembly comprises a chassis 14 and lamp clips 18. The chassis 14 has mounting holes 33 to 35. Each lamp clip 18 includes a main body 27 to be mounted to the chassis 14, a lamp gripping portions 28 provided on the main body 27 so as to grip cold cathode tubes 17, and mounting portions 30 to 32 protruding from the main body 27 toward the chassis 14 side. The mounting portions 30 to 32 are to be inserted in the respective mounting holes 33 to 25. Rims of the mounting holes 33 to 35 are sandwiched between the main body 27 and the respective mounting portions 30 to 32. Three mounting portions 30 to 32 and three mounting holes 33 to 35 are provided in relative positions so as to restrict mounting of the lamp clip 18 to the chassis 14 in an orientation other than a predefined orientation.

Abstract: A display module includes a display panel, an external frame, and a pad structure. The external frame is disposed at a side of the display panel. The pad structure is disposed between the display panel and the external frame. A panel-absorbing portion is formed on a surface of the pad structure facing the display panel. The panel-absorbing portion is used for absorbing the display panel so as to fix the pad structure on the display panel.

Abstract: A display device includes a housing, a combining unit, a panel module, and a resilient fastening unit. The combining unit is disposed on the housing. The resilient fastening unit is disposed on the panel module and the combining unit. Therefore, the width of the non-display edge zone of the display device and the light leakage of the display device can be reduced.

Abstract: A flat display panel is disclosed. In one embodiment, the flat display panel includes i) a first substrate on which a display unit is formed, ii) a second substrate formed to face the first substrate, iii) a resin layer formed on the second substrate; a window formed on the resin layer, iv) a flexible printed circuit (FPC) and a spacer formed between the window and the first end of the FPC. A first end of the FPC is combined with the second substrate, and a second end of the FPC is combined with the first substrate, so that the first substrate and the second substrate are electrically connected to each other.

Abstract: An object of the invention is to reduce the effect of moisture on the inside of a liquid crystal display device. The liquid crystal display device includes a liquid crystal display panel in which a display surface including a display area is disposed upright, a first frame including an aperture opposed to the display area, disposed leaving a space between it and the display surface of the liquid crystal display panel, and a rail-shaped member extending in a horizontal direction affixed to the display surface of the liquid crystal display panel, below the display area, in such a way that it does not come into contact with the first frame.

Abstract: A display device which narrows a width of a frame thereof is provided. A display device includes a first substrate on which a plurality of switching elements is formed, a second substrate which is arranged to face the first substrate in an opposed manner, and a frame which is mounted on an outer peripheral portion of the first substrate by way of an adhesive layer. The adhesive layer and the frame each have an opening at a position corresponding to the plurality of switching elements formed on the first substrate, and an inner peripheral surface of the opening of the frame and an inner peripheral surface of the opening of the adhesive layer are made coplanar with each other.

Abstract: A backlight unit for a liquid crystal display device includes a reflection plate, first and second light guide plates over the reflection plate, the second light guide plate disposed between the first light guide plate and the reflection plate, wherein the first light guide plate includes first and second sections alternating with each other, and the second light guide plate includes third and fourth sections alternating with each other, the first and third sections having patterns at rear surfaces, the second and fourth sections excluding patterns, wherein the first section corresponds to the fourth section, and the second section corresponds to the third section, first and second light-emitting diode (LED) assemblies at opposite sides of the first and second light guide plates, each of the first and second LED assemblies including LEDs arranged in first and second lines, and a plurality of optical sheets over the first light guide plate, wherein the LEDs of the first lines of the first and second LED assemb

Abstract: According to one embodiment, an electronic device includes a display module, a first component, a second component, a reinforcing member, a wiring, and a supporting member. The display module includes a display screen. The first component includes a first wall and a first engagement portion. The second component includes a second wall located opposite the first wall with respect to the display module and a second engagement portion that engages with the first engagement portion. The reinforcing member is located between the display module and the first and second engagement portions and extends along at least part of the periphery of the display module. The wiring is located between the reinforcing member and the display module. The supporting member is provided to at least one of the first component and the second component and is located between the display module and the wiring to support the display module.

Abstract: A backlight module comprises a back frame, a light guide plate disposed in the back frame, and elastic corner parts for locating the light guide plate. The elastic corner parts are disposed at diagonal corners of the backlight module and sandwiched between the back frame and the light guide plate. The elastic corner parts can locate the light guide plate in the back frame, and the desirable cushioning performance and appropriate hardness of the elastic corner parts provide a desirable space for thermal expansion and contraction of the light guide plate. Meanwhile, the elastic corner part corresponding to the light incident side is greater than that of the non-light-incident sides for ensuring the light mixing distance between the LEDs and the light incident side of the light guide plate, which can improve the light unitization factor of the LEDs and save both the product cost and the mold cost.

Abstract: In a liquid crystal display device in which a source board (56) connected to a liquid crystal panel by a flex circuit is mounted onto a rear surface of a lower metal frame (54), disconnection in the flex circuit or at a connection portion thereof is avoided. The source board (56) includes a conductor pattern (110) serving as a ground electrode held in contact with the rear surface of the frame (54). A support member (60) for supporting the circuit board (56) is fixed to the frame (54) and includes a cantilever (62) which extends above the source board (56), for pressing the source board (56) against the frame (54). The cantilever (62) enables displacement of the source board (56) along the rear surface of the frame (54) while maintaining a state in which the conductor pattern (110) is held in contact with the frame (54).

Abstract: A light generating device which may be used as a backlight unit and a display device including the light generating device are discussed. According to an embodiment, the light generating device can include a first layer; a plurality of light source devices disposed on the first layer and configured to emit light, each at least one of the light source devices including a light emitting unit diode for generating the light; a second layer covering the light source devices; and first and second light shielding layers disposed on the second layer and configure to selectively control transmit a propagation of the light emitted from the light source devices, the first and second light shielding layers being composed of a same material or different materials, the first and second light shielding layers being disposed to correspond with the light source devices.

Abstract: The present disclosure discloses a liquid crystal module and a liquid crystal display. The liquid crystal module includes a plastic frame, a front frame as well as a liquid crystal display panel positioned therebetween. The front frame is a square frame made of a sheet formed by vacuum molding. The front frame and the plastic frame are cooperated with each other in order to fix the liquid crystal display panel. The front frame includes an elastic buckling part/elastic clamping buckle, and the plastic frame includes a clamping buckle/buckling part being interference fit with the elastic buckling part/elastic clamping buckle for fixing the liquid crystal display panel. The front frame of the present disclosure, shortens the developing period so as to reduce the cost for opening module of the liquid crystal module and further reduce the manufacturing cost of the liquid crystal display.

Abstract: A low profile display enclosure system for enclosing a display device for viewing that protects the display device from environmental effects. The substantially sealed display enclosure comprises a rigid bezel, a substantially transparent front cover coupled to the bezel, and a rear cover assembly that may include a heat sink portion. A liquid organic coating is applied to portions of the display enclosure and cured in place in order to provide a protective surface.

Abstract: An electro-optic apparatus includes: an electro-optic panel; and a holding member configured to hold at least the electro-optic panel, in which the holding member includes a shoulder configured to support at least part of a peripheral edge of the electro-optic panel, and the shoulder does not support the electro-optic panel in at least an area of a part of a corner and a proximity thereof.

Abstract: A display module is equipped with a display panel having a display screen for displaying images on a front side of the panel. A panel chassis is provided on a rear side of the display panel with respect to the display screen. The display module is assembled with a plurality of fixing members. Each fixing member has a panel holder to hold the display panel as covering a portion of a periphery of the display screen and a chassis coupling member coupled to the panel chassis so that the display panel is interposed between the panel holder and the panel chassis.

Abstract: A display includes an outer frame defining an circumferential opening in a center, a protective glass accommodated in the opening, an inner frame mounted to the outer frame below the glass, and a liquid crystal display panel mounted to the inner frame. The inner side of the outer frame bounding the opening defines a latching slot to receive sides of the protective glass. The protective glass protects the liquid crystal display panel from being scraped or scratched.

Abstract: The present invention provides a display device that prevents damage on a display panel even when the display device drops or falls down during handling. The display device includes: a PDP (10) including a front panel (20) and a back panel (30) that have peripheral portions joined to each other by a sealing material (36); a chassis member (44) supporting the PDP (10); and a housing enclosing the PDP (10) and the chassis member (44). The housing includes a front housing portion (41), a front protective glass substrate (43) that closes an opening (54) provided in the front housing portion (41), a side housing portion (51), and a back housing portion (42). A supporting member (55) for forming specified gap D between itself and the front panel (20) is provided on the front protective glass substrate (43) or the front housing portion (41) so as to sit between the sealing material (36) and the opening (54).

Abstract: A display device capable of minimizing the width of a bezel is presented. The display device includes a display panel displaying an image; a first frame having a first surface configured to support the display panel and a second surface on which a first coupling mechanism is formed; a second frame having a second coupling mechanism and engaged with the first frame; an optical member interposed between the first frame and the second frame; a receptacle including four side-wall parts and a bezel part extended from the side-wall parts to an inside thereof, and receiving the display panel, the first frame, and the second frame therein, wherein the first coupling mechanism and the second coupling mechanism comprise a first fixing projections and a first fixing holes into which the first fixing projections are inserted.

Abstract: A backlight unit and a display device having a backlight unit that comprises a panel guide mold, a bottom cover, and a light supply unit, where the panel guide mold and the bottom cover are configured to provide sufficient stiffness and structural stability so that the width of the bezel is very small. The panel guide mold comprises a plurality of first mold units and a plurality of second mold units, where each of the plurality of second mold units is disposed between two of the first mold units, and the plurality of first mold units are offset in an outward direction relative to the plurality of second mold units. The bottom cover comprises a plurality of first sidewalls, each being aligned with a corresponding first mold unit, and a plurality of second sidewalls, where each is disposed between two of the first sidewalls and coupled to a corresponding second mold unit.

Abstract: A liquid crystal module includes a rear frame, a light guide plate, and a light source unit. The light guide plate is disposed in an interior of the rear frame. The light guide plate has a plurality of protruding components on a first end face of the light guide plate. The protruding components are spaced apart from each other and having distal end faces. The light source unit is disposed along the first end face of the light guide plate. The light source unit has a wiring board and a plurality of light source elements that is disposed on the wiring board. The distal end faces of the protruding components abuts the wiring board of the light source unit, respectively, such that the first end face of the light guide plate and each of the light source elements defines a spacing therebetween.

Abstract: An LCD device includes casing; and a support structure connected movably to a lower portion of the casing in such a manner that the support structure is extendible downwardly and outwardly from the lower portion of the casing to support an object thereabove.

Abstract: A liquid crystal module is provided. A rear frame is provided with a pair of side plates which are formed along a pair of long opposite sides of the rear frame. A light diffuser plate is comprised of synthetic resin and provided with a pair of frame portions which are formed integrally with the light diffuser plate, disposed along a pair of long opposite sides of the light diffuser plate and respectively attached to the side plates of the rear frame. A pair of cushion members are disposed along and inside the frame portions of the light diffuser plate. A liquid crystal panel has an upper edge portion and lower edge portion which are supported by the cushion members. The light diffuser plate is provided with a pair of slope portions which are formed integrally with the light diffuser plate and disposed along and inside the cushion members. The height of each slope portion increases toward an adjacent cushion member for concealing the cushion members.

Abstract: The present invention relates to a cabinet structure for a display apparatus such as a liquid crystal television. The cabinet structure of a display apparatus 1 is provided with: a liquid crystal module 3 provided with a liquid crystal panel 31; a front cabinet 2 that has an open window portion through which a display screen of the liquid crystal panel is exposed; and a rear cabinet that is joined to the front cabinet to form a cabinet main body in which the liquid crystal module is accommodated, and the liquid crystal module 3 is fitted to the front cabinet 2, in a state in which a convex-curved press rib 4 that is curved along a length direction thereof to be convex is pressed against a bezel 32 of the liquid crystal module 3.

Abstract: A light trapping optical cover employing an optically transparent layer with a plurality of light deflecting elements. The transparent layer is configured for an unimpeded light passage through its body and has a broad light input surface and an opposing broad light output surface. The light deflecting elements deflect light incident into the transparent layer at a sufficiently high bend angle with respect to a surface normal and direct the deflected light toward a light harvesting device adjacent to the light output surface. The deflected light is retained by means of at least TIR in the system formed by the optical cover and the light harvesting device which allows for longer light propagation paths through the photoabsorptive layer of the device and for an improved light absorption. The optical cover may further employ a focusing array of light collectors being pairwise associated with the respective light deflecting elements.

Abstract: In a frame structure configured so that front and rear frames 10, 30 are attached to an intermediate frame 20, the strength of each frame 10, 30 can be easily ensured, and the front frame 10 or the rear frame 30 can be prevented from being easily removed from the intermediate frame 20 when subjected to a large impact force. The front and rear frames 10, 30 are provided so that respective side face portions 12, 32 thereof overlap each other, and a plurality of protrusions 21 are provided on a side face of the intermediate frame 20. The frame 10 (30), whose side face portion 12 (32) is positioned on a laterally inner side, is attached to the intermediate frame 20 by latching engaging portions 13 (33), provided in the side face portion 12 (32), by the protrusions 21, respectively.

Abstract: An electro-optical module includes: an electro-optical panel; and a transparent protector disposed on a viewer-side surface of the electro-optical panel, wherein transparent protector has a stack structure including a first transparent protection layer that faces the electro-optical panel and is formed of an elastic material and a second transparent protection layer that has a higher dynamic elasticity value than that of the first transparent protection layer within a frequency range of 1 to 10 Hz.

Abstract: An image display device is provided with a chassis supporting a display panel on its front surface, circuit boards arranged within a specific region of the back surface of the chassis, a back cover having an edge portion that covers the outside of the specific region of the back surface of the chassis and a projecting portion that accommodates the circuit boards, and a fan arranged inside the space defined by projecting portion. The projecting portion includes a main wall and a peripheral wall, and the peripheral wall is provided with an air inlet and an air outlet. The edge portion is provided with a sound absorbing material on its outer wall surface in the vicinity of the air outlet.

Abstract: High-resolution, scalable multi-touch sensing display systems and processes based on frustrated total internal reflection employ an optical waveguide that receives light, such as infrared light, that undergoes total internal reflection and an imaging sensor that detects light that escapes the optical waveguide caused by frustration of the total internal reflection due to contact by a user. The optical waveguide when fitted with a compliant surface overlay provides superior sensing performance, as well as other benefits and features. The systems and processes described provide true multi-touch (multi-input) and high-spatial and temporal resolution capability due to the continuous imaging of the frustrated total internal reflection that escapes the entire optical waveguide. Among other features and benefits, the systems and processes are scalable to large installations.

Abstract: In one embodiment, the liquid crystal display device includes a transmissive type liquid crystal display panel. A backlight unit is arranged on a back side of the liquid crystal display panel, and includes a light source portion for radiating the liquid crystal display panel with plane light. An optical sheet is arranged between the liquid crystal display panel and the back light unit. A rear bezel having a counter surface portion is arranged opposing at least a portion of a back side of the light source portion. An elastic sheet having a plurality of slits is arranged between the back side of the back light unit and the counter surface portion for elastically supporting the back light unit.

Abstract: An adjustable support apparatus for an LCD monitor is provided. The support apparatus includes a receiving bracket, a cover secured to the receiving bracket, and a sliding member received between the receiving bracket and the cover. The sliding member is capable of sliding relative to the receiving bracket and the cover. A securing member is slidably attached to the cover. An elastic positioning member is secured to the cover. A plurality of positioning grooves is defined in the sliding member, and the securing member biases the positioning members to engage in one of the positioning grooves.

Abstract: A low profile display enclosure system for enclosing a display device for viewing that protects the display device from environmental effects and is configured to dissipate heat generated within the display enclosure. The substantially sealed display enclosure comprises a rigid bezel, a substantially transparent front cover coupled to the bezel, and a rear cover assembly that includes a heat sink portion. The thickness of the bezel is minimized to provide the enclosure with a low profile about the periphery of the display device enclosed therein. Thermal control devices may be mounted within the enclosure to modulate a temperature within the enclosure.

Abstract: An electronic device having a protection panel includes: a display device (3) having a display part (3A); a housing (2) for mounting the display device (3) therein which has a display window (2A) including an opening for allowing the display part (3A) to face externally and a supporting portion (2b) in a shape of a frame; a protection panel (4) fitted into the display window (2A), whose back side rim portion is supported by the supporting portion (2b); and a pressure-sensitive conductive print layer (30) which is disposed between the protection panel (4) and the supporting portion (2b) and configured to detect a pressing operation on the protection panel (4), and includes a resin having a glass-transition temperature (Tg) in a temperature range higher than room temperature as binder, and a conductive material dispersed therein.

Abstract: The present invention relates to an organic light-emitting diode device with efficiency roll-up property, comprising: a first conductive layer, a hole injection layer, a host light-emitting layer, a guest light-emitting layer, an electron transportation layer, a second conductive layer, and an electron injection layer, wherein when the guest light-emitting layer is doped in the host light-emitting layer after being appropriately selected and the value of ??EHOMO|?|?ELUMO? approaches to zero, such that the color light emitted by the host light-emitting layer performs the property of current efficiency roll-up.

Abstract: An embodiment of the invention discloses an display module for mobile communication device which comprises a display panel, a flexible printed circuit board, an electronic component. The flexible printed circuit board is coupled to the display panel and is divided into a first portion and a second portion. The electronic component is disposed on a first surface of the flexible printed circuit board, and the location of the electronic component corresponds to that of the second portion of the flexible printed circuit board. The extensibility of the second portion of the flexible printed circuit board is smaller than that of the first portion of the flexible printed circuit board.

Abstract: A display housing for a portable computing device that utilizes a plastic cover bonded to an internal metal frame is described. To account for thermal cycling issues and in particular to prevent bond slippage, multiple types of adhesives are employed to join the metal frame and the plastic cover. In particular, a very high bond (VHB) adhesive material is used in certain areas to bond the metal inner frame to the plastic cover and a liquid adhesive is used in other areas. The plastic cover can be translucent to light. A method of coating the plastic cover to block light, such as from a backlight used for the display, is described.

Abstract: A lighting device 12 in accordance with the present invention is for use with a display apparatus. The lighting device 12 includes a light source 17, a plate shaped chassis 14 that covers the light source 17, and an inverter board 30 attached to the chassis 14. The lighting device 12 is characterized in that, accompanying slide of the inverter board 30 in a direction parallel to the chassis, the inverter board 30 is attached and detached.

Abstract: A display unit has a display device; a first case with an opening, covering the front surface of the display device; and a second case covering the back surface of the display device. The first case has a frame part enclosing the opening, and a side wall extending from the frame part toward the second case over the entire circumference of the frame part. The display device is placed on the frame part so as to be enclosed by the side wall. At least two support rods are fixed to the side wall and press the display device. The number of parts, man-hours, and weight of the unit can be reduced.

Abstract: A low profile display enclosure system for enclosing a display device for viewing that protects the display device from environmental effects and is configured to dissipate heat generated within the display enclosure. The substantially sealed display enclosure comprises a rigid bezel, a substantially transparent front cover coupled to the bezel, and a rear cover assembly that includes a heat sink portion. The thickness of the bezel is minimized to provide the enclosure with a low profile about the periphery of the display device enclosed therein. Thermal control devices may be mounted within the enclosure to modulate a temperature within the enclosure.

Abstract: A liquid crystal display device has a liquid crystal display module including a backlight unit and a liquid crystal panel; a first polarizing plate attached to a side of the liquid crystal panel, the side facing the backlight unit; a transparent front plate mounted on a side of the liquid crystal panel, the side not facing the backlight unit; a transparent organic medium layer placed between the front plate and the liquid crystal panel; and a second polarizing plate attached to a surface of the front plate, the surface opposite from a surface thereof closer to the transparent organic medium layer. An end section of the second polarizing plate is sealed using resin so as not to be directly exposed to air.

Abstract: A flexible display panel includes a first flexible substrate, a second flexible substrate, a display medium, and a sealant. The first flexible substrate has a plurality of non-folding areas and at least one folding area located between the non-folding areas. The non-folding areas are separated. The second flexible substrate is configured above the first flexible substrate. The display medium is configured between the first flexible substrate and the second flexible substrate. The sealant is configured on the first flexible substrate to surround the display medium. The elasticity of the sealant in the folding area is greater than the elasticity of the sealant in the non-folding areas.

Abstract: A flat panel display apparatus includes a flat display panel including first and second substrates facing each other with a display unit therebetween, the first substrate extending beyond the second substrate, a portion of the first substrate extending beyond the second substrate defining a protruding portion, an outermost edge of the protruding portion defining a protruding edge of the first substrate, and corners of the protruding portion being chamfered, and a bezel surrounding the flat display panel.

Abstract: A display housing includes a protective lens, a peripheral housing; and a strengthening member. The protective lens defines a latching slit along its perimeter. The strengthening member includes a base portion and a bent portion. One of the peripheral housing and the base portion has a plurality of latches protruding therefrom and the other a plurality of latching holes. The latches are received in the latching holes, the strengthening member is secured in the peripheral housing, and the bent portion is received in the latching slits.

Abstract: The invention relates to an electro-optical device having an electro-optical panel and a supporting frame that supports the electro-optical panel either directly or indirectly. The supporting frame of the electro-optical device according to an aspect of the invention includes: a resin base frame member; and a metal member that has an embedded portion that is covered inside the resin base frame member and an exposed portion that is exposed from the resin base frame member. In the configuration of the electro-optical device of the invention, the exposed portion of the metal member has an inner exposed portion that is exposed at a middle face of the inside of the supporting frame viewed along the thickness direction of the supporting frame. At least one of the electro-optical panel, which is supported inside the supporting frame, and other member is in contact with the inner exposed portion of the metal member.

Abstract: Exemplary embodiments provide a durable anti-reflective display panel for an electronic display. The panel may be used with any flat panel display including but not limited to LCD, plasma, and organic LED displays. Embodiments may contain anti-reflective glass containing pyrolytic coatings and may be bonded together using an index-matched optical adhesive. Exemplary embodiments can resist impact from objects at high speeds and protect the electronic display from damage. Embodiments also resist shattering to protect any bystanders.

Abstract: A display device includes a display panel, a touch screen panel and a receiving container. The display panel displays an image. The touch screen panel is spaced apart from the display panel. The receiving container receives the display panel and has a venting part facing a side surface of the display panel to reduce a pressure difference between a pressure in a space between the display panel and the touch screen panel of the display device and a pressure exterior to the display device.

Abstract: Disclosed is an LCD device capable of enhancing a display quality on a screen by minimizing feature changes of light emitting diodes (LED) due to heat in a structure that heat is rapidly emitted, from the LED serving as a light source, to outside of a lower cover. The LCD device comprises an LC panel; a plurality of light emitting diodes disposed below the LC panel, and supplying light to the LC panel; a lower cover having one or more heat emitting holes at a bottom surface adjacent to the light emitting diodes, and receiving the light emitting diodes in correspondence to one or more inner side surfaces thereof; and a heat emitting sheet disposed in the lower cover so as to correspond to the one or more heat emitting holes.

Abstract: A backlight chassis is constituted by combining a right end chassis plate, a left end chassis plate, and an intermediate chassis plate obtained by cutting a metal sheet into a predetermined shape and pressing. A trough portion is formed in each chassis plate at a portion to be the long side of the backlight chassis, and the trough portions are superimposed at the boundary of adjoining chassis plates. Furthermore, a superimposed portion constituting a beam-shaped portion is provided at the boundary of adjoining chassis plates. The chassis plates are coupled by screws penetrating the superimposed portion of the trough portions or the beam-shaped portions. The right end chassis plate and the left end chassis plate have point symmetric shapes.

Abstract: A display casing includes a front casing, a rear casing and adjusting portions, wherein the front casing is engaged with the rear casing, the rear casing has first positioning portions disposed on its internal side, and each adjusting portion has a support stand coupled to the corresponding first positioning portion and an elastic plate fixed onto a lateral side of the support stand. When the adjusting portions are connected to the corresponding first positioning portions, the elastic plates form an enclosed accommodating area for accommodating and positioning a LCD panel module, and a hole disposed at the center of the front casing is provided for aligning a display surface of the LCD panel module, such that manufacturers can adjust positions of the adjusting portions to change the size of the accommodating area for accommodating LCD panel modules of different sizes.

Abstract: A lamp holding apparatus for mounting a lamp to a lamp mounting member includes a mounting plate provided with a locking portion which protrudes to a base side, inserted into a mounting hole provided at the base and is lockable to a peripheral edge of a back side thereof. The mounting plate is provided with a pin which protrudes to an opposite side from the base side and is capable of being gripped by an operator at a time of being attached to and detached from the base. The locking portion is disposed at a position corresponding to a back side of the pin. As a result, when the locking portion is inserted into the mounting hole while gripping the pin, both the locking portion and the mounting hole are easily positioned. Thus, at a time of insertion, bending forces are reduced.