DISPLAY DEVICE

• US 20150211707A1
• Filed: 07/02/2013
• Published: 07/30/2015
• Est. Priority Date: 07/09/2012
• Status: Active Grant

• Current Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Original Assignee: Sharp Kabushiki Kaisha (Hon Hai Precision Industry Co., Ltd.)
• Inventors: Watanabe, Hisashi
• Granted Patent: US 9,377,174 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F21V 5/007 Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane combination of two or more refractors F21V5/008
• CPC Class Codes: F21V 5/04 of lens shape
• CPC Class Codes: G02F 1/133308 Support structures for LCD panels, e.g. frames or bezels
• CPC Class Codes: G02F 1/133331 Cover glasses
• CPC Class Codes: G02F 1/133526 Lenses, e.g. microlenses or Fresnel lenses
• CPC Class Codes: G02F 1/133603 with LEDs
• CPC Class Codes: G02F 1/133606 including a specially adapted diffusing, scattering or light controlling members
• CPC Class Codes: G02F 1/1339 Gaskets; Spacers; Sealing of cells
• CPC Class Codes: G02F 2201/56 Substrates having a particular shape, e.g. non-rectangular
• CPC Class Codes: G09G 2300/02 Composition of display devices
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2300/0452 Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
• CPC Class Codes: G09G 3/3607 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127
• CPC Class Codes: G09G 5/373 for modifying the size of the graphic pattern

Abstract

A display device which makes the frame hardly visible to the viewer is provided.

This display device includes: a display panel (10) having a display area (RA) and a frame area (RF) provided outside of the display area; and a light-transmitting cover (20) which is arranged closer to a viewer than the display panel is and which includes lens portions (22) that are arranged at positions corresponding to the boundary between the display area and frame area of the display panel. The display panel (10) has a planar shape which includes four sides (10a) that define upper, lower, right and left sides, respectively, and four corner portions (10b), each connecting two associated adjacent ones of the four sides together. The display panel further has a chamfered portion (10c) with a curved or straight edge which is arranged in at least one of the four corner portions inside of the intersection between extended lines of the two adjacent sides. And the light-transmitting cover (20) includes a corner lens portion, of which the planar shape matches the chamfered portion (10c) of the display panel, at a position corresponding to the corner portion (10b) of the display panel.

Claims

1. :

A display device comprising;

a display panel having a display area and a frame area which is provided outside of the display area; and

a light-transmitting cover which is arranged closer to a viewer than the display panel is and which includes lens portions that are arranged at positions corresponding to the boundary between the display area and frame area of the display panel,

wherein the display panel has a planar shape which includes four sides that define upper, lower, right and left sides, respectively, and four corner portions, each connecting two associated adjacent ones of the four sides together, the display panel further having a chamfered portion with a curved or straight edge which is arranged in at least one of the four corner portions inside of the intersection between extended lines of the two adjacent sides, and

the lens portions of the light-transmitting cover include a lens portion, of which the planar shape matches the chamfered portion of the display panel, at a position corresponding to the corner portion of the display panel.

2. :

The display device of claim 1, wherein the display panel includes;

a substrate;

a display medium layer arranged on the substrate; and

a band-shaped seal member which is arranged on the substrate and inside the frame area so as to surround the display medium layer,

wherein the seal member runs along the edge of the chamfered portion at the corner portion of the display panel.

3. :

The display device of claim 1 or 2, wherein a plurality of pixels are arranged inside the display area,

an outer edge of the display area is defined by some of the plurality of pixels that are located in the outermost part of the display area, and

the outer edge of the display area has been formed in a shape corresponding to that of the chamfered portion.

4. :

The display device of claim 3, wherein the outer edge of the display area has been formed to make multiple steps at the corner portion of the display panel.

5. :

The display device of claim 3, wherein if the maximum distance from the outer edge of the display area to an end face of the display panel is a, the thickest part of the lens portions of the light-transmitting cover has a thickness falling within the range of 2.7 a to 4.6 a.

6. :

The display device of claim 5, wherein the chamfered portion has a circular arc planar shape defined by a radius of curvature b which falls within the range of 1.6 a to 4.6 a.

7. :

The display device of claim 1, wherein the light-transmitting cover has the lens portions at respective positions corresponding to all of the four sides and four corner portions of the display panel.

8. :

The display device of claim 1, wherein the light-transmitting cover has the lens portions at respective positions corresponding to three out of the four sides of the display panel but has no lens portion at a position corresponding to the other side.

9. :

The display device of claim 1, further comprising an image processing section which transforms image data to be input to each of the plurality of pixels into a different type of image data,

wherein the image processing section performs data transformation processing so that at least part of image data to be displayed at the corner portions is displayed in an inner area of the panel.

10. :

The display device of claim 9, wherein the data transformation processing includes processing of resizing the image data.

11. :

The display device of claim 1, wherein some of the plurality of pixels are associated with multiple different colors, and among the pixels that form the outer edge of the display area at the corner portion, pixels which are located at outermost ends in either a row direction or a column direction represent the same color.