JPH09250868A - Refrigerator - Google Patents
RefrigeratorInfo
- Publication number
- JPH09250868A JPH09250868A JP6255296A JP6255296A JPH09250868A JP H09250868 A JPH09250868 A JP H09250868A JP 6255296 A JP6255296 A JP 6255296A JP 6255296 A JP6255296 A JP 6255296A JP H09250868 A JPH09250868 A JP H09250868A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- door
- refrigerator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/062—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation along the inside of doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、家庭用の冷蔵庫に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home refrigerator.
【0002】[0002]
【従来の技術】最近は、1つの家庭に複数台のテレビが
置かれるようになり、台所にもテレビが置かれるように
なってきている。しかし、ブラウン管タイプのテレビは
体積が大きく、台所のように置く場所が限られている場
合には邪魔になるという問題があった。2. Description of the Related Art Recently, a plurality of televisions have been installed in one home, and televisions have also been installed in the kitchen. However, the cathode ray tube type TV has a large volume, and there is a problem in that it is an obstacle when the place to put it is limited like a kitchen.
【0003】そのため、従来より、冷蔵庫の扉に、テレ
ビが写る平面型の液晶表示装置を設けたものが提案され
ている(実開昭63−191775号)。Therefore, conventionally, there has been proposed a refrigerator provided with a flat-type liquid crystal display device on which a television can be seen (Japanese Utility Model Publication No. 63-191775).
【0004】[0004]
【発明が解決しようとする課題】しかしながら、台所は
調理を行うため家屋の中でも最も湿度や温度の高い場所
となる。したがって、冷蔵庫の扉に設けられた表示装置
に悪影響を及ぼす可能性があった。However, since the kitchen is used for cooking, the kitchen is the place with the highest humidity and temperature. Therefore, the display device provided on the door of the refrigerator may be adversely affected.
【0005】すなわち、アクティブマトリクス型の液晶
表示装置の各画素におけるスイッチング素子は、画像表
示をするために高度なスイッチング特性が要求されるた
め、薄膜トランジスタ(以下、TFTという)が用いら
れている。このTFTの半導体層は、広範囲な画面全体
に渡って均一に形成する必要があるため、アモルファス
シリコン等のシリコン半導体が一般に用いられている。That is, a thin film transistor (hereinafter referred to as a TFT) is used as a switching element in each pixel of an active matrix type liquid crystal display device because a high switching characteristic is required for displaying an image. Since the semiconductor layer of this TFT needs to be formed uniformly over a wide screen, a silicon semiconductor such as amorphous silicon is generally used.
【0006】この非晶質シリコン半導体を用いたTFT
を長期間駆動させた場合には、その特性が劣化するとい
う問題があった。例えば、スイッチとしてのOFF状態
からON状態に移行するゲート電圧の値が使用により徐
々に大きくなるため、TFTのON電流が低下し表示不
良をもたらす。この劣化度合は、温度や湿度によって助
長され、特に前記したように台所で使用した場合にはそ
の湿度や温度のために劣化が促進されるという問題があ
った。TFT using this amorphous silicon semiconductor
However, there is a problem that the characteristics are deteriorated when driven for a long time. For example, since the value of the gate voltage at which the switch switches from the OFF state to the ON state gradually increases as the switch is used, the ON current of the TFT decreases, resulting in display failure. This deterioration degree is promoted by temperature and humidity, and there is a problem that deterioration is promoted due to the humidity and temperature particularly when used in the kitchen as described above.
【0007】そこで、本発明は上記問題点に鑑み、湿度
や温度の高い台所で使用されても性能が劣化しない液晶
表示装置を用いた冷蔵庫を提供するものである。Therefore, in view of the above problems, the present invention provides a refrigerator using a liquid crystal display device whose performance does not deteriorate even when used in a kitchen where humidity and temperature are high.
【0008】[0008]
【課題を解決するための手段】本発明の請求項1の冷蔵
庫は、冷蔵室、冷凍室、野菜室等の冷却室の扉に液晶表
示装置を設けた冷蔵庫において、前記扉内部に液晶表示
装置を設け、前記液晶表示装置の表示面である前面を、
前記扉の前面から視認可能とすると共に、前記液晶表示
装置へ、前記冷却室の冷気を流すための流通口を設けた
ものである。A refrigerator according to claim 1 of the present invention is a refrigerator in which a liquid crystal display device is provided on a door of a cooling room such as a refrigerating room, a freezing room, and a vegetable room, and the liquid crystal display device is provided inside the door. The front surface, which is the display surface of the liquid crystal display device,
The door is visible from the front of the door, and the liquid crystal display device is provided with a flow port for flowing the cool air in the cooling chamber.
【0009】請求項2の冷蔵庫は、請求項1記載のもの
において、前記液晶表示装置が、非晶質シリコンよりな
るアクティブマトリクス型液晶表示装置である。According to a second aspect of the present invention, in the refrigerator according to the first aspect, the liquid crystal display device is an active matrix type liquid crystal display device made of amorphous silicon.
【0010】上記冷蔵庫であると、冷却室内部を循環す
る乾燥した冷気を液晶表示装置へ、流通口を介して循環
させるため、この乾燥した冷気により液晶表示装置に用
いられているTFTの特性劣化を押さえることができ
る。In the above refrigerator, since the dry cold air circulating in the cooling chamber is circulated to the liquid crystal display device through the circulation port, the characteristics of the TFT used in the liquid crystal display device are deteriorated by the dry cold air. Can be held down.
【0011】特に、非晶質シリコンよりなるアクティブ
マトリクス型液晶表示装置を用いた場合には、その効果
が大きい。Particularly, when an active matrix type liquid crystal display device made of amorphous silicon is used, its effect is great.
【0012】[0012]
【発明の実施の形態】以下、本発明の一実施例を図1〜
図4に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will now be described with reference to FIGS.
It will be described with reference to FIG.
【0013】符号10は、図1に示すように、本実施例
の冷蔵庫であり、この冷蔵庫10の本体12は、上段よ
り冷蔵室14、第1冷凍室16、第2冷凍室18、野菜
室20を有している。As shown in FIG. 1, reference numeral 10 is a refrigerator of the present embodiment, and a main body 12 of the refrigerator 10 includes a refrigerating room 14, a first freezing room 16, a second freezing room 18, and a vegetable room from the upper stage. Have twenty.
【0014】符号22は、冷蔵室14の扉であって、そ
の右端部24にヒンジ部24を有し回動自在となってい
る。また、第1冷凍室16、第2冷凍室18、野菜室2
0にもそれぞれ引出し式の扉26、28、30が設けら
れている。Reference numeral 22 denotes a door of the refrigerating compartment 14, which has a hinge portion 24 at its right end portion 24 and is rotatable. In addition, the first freezer compartment 16, the second freezer compartment 18, the vegetable compartment 2
0 is also provided with drawer type doors 26, 28 and 30, respectively.
【0015】符号32は、扉22の前面に設けられた液
晶表示装置である。この液晶表示装置は、非晶質シリコ
ンを用いたアクティブマトリクス型液晶表示装置であっ
て、横と縦の比率が16:9のハイビジョン対応であ
り、18インチのサイズである。液晶表示装置32の構
造及び取付け方法については後述する。Reference numeral 32 is a liquid crystal display device provided on the front surface of the door 22. This liquid crystal display device is an active matrix liquid crystal display device using amorphous silicon, and is 18-inch in size, which is compatible with high-definition images with a horizontal to vertical ratio of 16: 9. The structure and mounting method of the liquid crystal display device 32 will be described later.
【0016】符号34,34は、扉22の前面におい
て、液晶表示装置32の下方に設けられた一対のスピー
カである。Reference numerals 34 and 34 denote a pair of speakers provided on the front surface of the door 22 and below the liquid crystal display device 32.
【0017】符号36は、扉22の前面において、一対
のスピーカ34,34の間に設けられたCD−ROM装
置である。CD−ROM装置36の下部には回動軸を有
し、その上方が前方に回動自在となっている。そして、
CD−ROM装置36にCD−ROMを挿入する場合に
は、CD−ROM装置36を前方に回動させ、その上面
よりCD−ROMを挿入する。Reference numeral 36 is a CD-ROM device provided on the front surface of the door 22 between the pair of speakers 34, 34. The CD-ROM device 36 has a rotation shaft at its lower portion, and its upper portion is rotatable forward. And
When inserting the CD-ROM into the CD-ROM device 36, the CD-ROM device 36 is rotated forward and the CD-ROM is inserted from the upper surface thereof.
【0018】符号38は、扉22の前面下端部に設けら
れた操作パネルであり、通常はカバー40に覆われてい
る。また、このカバー40の左端部にはリモコン受光部
42が設けられている。Reference numeral 38 denotes an operation panel provided at the lower end of the front surface of the door 22, which is normally covered with a cover 40. Further, a remote control light receiving portion 42 is provided at the left end of the cover 40.
【0019】次に、図2及び図3を用いて液晶表示装置
32の構造及び扉22に対する取付け方法について説明
する。Next, the structure of the liquid crystal display device 32 and the method of attaching it to the door 22 will be described with reference to FIGS.
【0020】液晶表示装置32は、液晶セル52をフレ
ーム54で固定している。液晶セル52は、アレイ電極
と対向電極がそれぞれ形成された2枚のガラス基板5
6,58の間に液晶を封入し、偏光板を貼付けたもので
ある。この液晶セル52のアレイ電極基板56の周縁部
には、液晶セル52を駆動させるためのドライバLSI
を搭載した信号線側TAB及び走査線側TABが異方性
導電性膜を介して接続されており、各TABがそれぞれ
信号線側PCB、走査線側PCBに接続されている。以
下、これらTAB及びPCBを総称してLCD駆動回路
部60という。セル52の後側には、バックライトユニ
ット62が配されている。In the liquid crystal display device 32, the liquid crystal cell 52 is fixed by a frame 54. The liquid crystal cell 52 comprises two glass substrates 5 each having an array electrode and a counter electrode formed thereon.
Liquid crystal is enclosed between 6, 58 and a polarizing plate is attached. A driver LSI for driving the liquid crystal cell 52 is provided around the array electrode substrate 56 of the liquid crystal cell 52.
Is connected to the signal line side TAB and the scanning line side TAB via an anisotropic conductive film, and each TAB is connected to the signal line side PCB and the scanning line side PCB, respectively. Hereinafter, these TAB and PCB are collectively referred to as the LCD drive circuit unit 60. A backlight unit 62 is arranged on the rear side of the cell 52.
【0021】扉22は、金属製であって、扉22の前面
部、両側面部、上下面部を構成する前面板44と、この
前面板44の後面に取付けられた合成樹脂製の後面板4
6とよりなる。前面板44と後面板46との隙間には、
断熱用の発泡ウレタン48が発泡注入されている。The door 22 is made of metal, and includes a front plate 44 that constitutes the front surface, both side surfaces, and the upper and lower surfaces of the door 22, and a synthetic resin rear surface plate 4 attached to the rear surface of the front plate 44.
It consists of six. In the gap between the front plate 44 and the rear plate 46,
A urethane foam 48 for heat insulation is foamed and injected.
【0022】前面板44には、凹部50が設けられ、こ
れに液晶表示装置32が嵌め込まれる。また、凹部50
には、扉22の前面と後面とを貫通する冷気の流通口6
4が設けられている。この流通口64は、液晶表示装置
32を凹部50に取付けた場合に、冷気を扉26の後面
から前面に流して、液晶表示装置32の後側に導くもの
である。The front plate 44 is provided with a recess 50 into which the liquid crystal display device 32 is fitted. Also, the recess 50
The cold air circulation port 6 that penetrates the front and rear surfaces of the door 22.
4 are provided. When the liquid crystal display device 32 is attached to the recess 50, the circulation port 64 allows cool air to flow from the rear surface of the door 26 to the front surface and guide the liquid to the rear side of the liquid crystal display device 32.
【0023】なお、流通口64から流入した冷気が、液
晶表示装置32の後側で循環するようにするために、バ
ックライトユニット62と凹部50の前面との間には若
干の隙間を設けておく。また、図示しないが、上記の冷
気が液晶表示装置32の特に液晶セル52にもあたるよ
うに液晶表示装置32のフレーム54には穴部が設けら
れており、これにより流通口64から導入される冷気の
一部は液晶表示装置32の側面を経て液晶セル52に流
入される。A slight gap is provided between the backlight unit 62 and the front surface of the recess 50 so that the cool air flowing in from the circulation port 64 circulates on the rear side of the liquid crystal display device 32. deep. Although not shown, a hole is provided in the frame 54 of the liquid crystal display device 32 so that the cold air also hits the liquid crystal cell 52 of the liquid crystal display device 32, and is introduced through the flow port 64. A part of the cool air flows into the liquid crystal cell 52 through the side surface of the liquid crystal display device 32.
【0024】さらに、液晶表示装置32の前面、すなわ
ち、液晶セル52の前面には断熱材用のARガラス66
が設けられている。Further, on the front surface of the liquid crystal display device 32, that is, the front surface of the liquid crystal cell 52, an AR glass 66 for heat insulating material is provided.
Is provided.
【0025】次に、図3及び図4に基づいて、冷蔵庫1
0の電気系統の構造について説明する。Next, based on FIGS. 3 and 4, the refrigerator 1
The structure of the zero electric system will be described.
【0026】I/Oポート68を介してLCD駆動回路
部60、スピーカ34,34、テレビ受信回路部70、
CD−ROM装置36、操作パネル38が制御部80に
接続されている。I/Oポート68は、制御部80のC
PU70に接続され、CPU72は、メモリ74を有し
ている。なお、テレビ受信回路部70は、テレビを受信
するための回路である。An LCD drive circuit section 60, speakers 34, 34, a television receiving circuit section 70, through an I / O port 68,
The CD-ROM device 36 and the operation panel 38 are connected to the control unit 80. The I / O port 68 is the C of the control unit 80.
The CPU 72 is connected to the PU 70 and has a memory 74. The television receiving circuit unit 70 is a circuit for receiving television.
【0027】LCD駆動回路部60、スピーカ34,3
4、CD−ROM装置36及び操作パネル38からの配
線は、図2に示すように、扉22の右端部に沿って配さ
れるとともにヒンジ部24を介して本体12に配線され
ている。そして、本体12の後部の天井部近傍に、CP
U72、メモリ74、I/Oポート68よりなる制御部
80が配されるとともに、テレビ受信回路部70が設け
られている。LCD drive circuit section 60, speakers 34 and 3
4, the wiring from the CD-ROM device 36 and the operation panel 38 is arranged along the right end portion of the door 22 and is wired to the main body 12 via the hinge portion 24, as shown in FIG. Then, at the rear of the main body 12 near the ceiling, the CP
A control unit 80 including a U 72, a memory 74, and an I / O port 68 is arranged, and a television receiving circuit unit 70 is provided.
【0028】リモコン受光部42を介して、操作パネル
38と同様の操作が、リモコン76によって操作可能と
なっている。The operation similar to that of the operation panel 38 can be performed by the remote controller 76 via the remote control light receiving section 42.
【0029】上記構成の冷蔵庫10の動作状態について
説明する。The operation state of the refrigerator 10 having the above structure will be described.
【0030】テレビ受信回路部70が設けられているた
め、液晶表示装置32には、テレビを写し出すことがで
き、その音声はスピーカ34から再生される。この場合
に液晶表示装置32の操作は扉22の前面に設けられた
操作パネル38を介しても可能であるが、リモコン76
によっても操作可能である。Since the television receiving circuit section 70 is provided, the television can be displayed on the liquid crystal display device 32, and its sound is reproduced from the speaker 34. In this case, the liquid crystal display device 32 can be operated through the operation panel 38 provided on the front surface of the door 22.
Can also be operated by.
【0031】また、CD−ROM装置36を有している
ため、市販のCD−ROMを再生することができ、CD
−ROMを通じて料理の調理に必要な情報を液晶表示装
置32に表示しながら料理を作ることができる。Further, since it has the CD-ROM device 36, it is possible to reproduce a commercially available CD-ROM.
It is possible to prepare a dish while displaying information necessary for cooking the dish on the liquid crystal display device 32 through the ROM.
【0032】そして、液晶表示装置32には、流通口6
4を介して冷蔵庫10で発生している冷気が送られ、液
晶セル52を冷却すると共に、冷気との熱交換により液
晶セル52周辺を乾燥させるため、TFTの特性への劣
化を抑えることができる。そのため、液晶表示装置32
が、非晶質シリコンを用いたアクティブマトリクス型で
あっても特性の劣化を防止できる。The liquid crystal display device 32 has a flow port 6
The cold air generated in the refrigerator 10 is sent via 4 to cool the liquid crystal cell 52 and dry the periphery of the liquid crystal cell 52 by heat exchange with the cold air, so that deterioration of the TFT characteristics can be suppressed. . Therefore, the liquid crystal display device 32
However, deterioration of the characteristics can be prevented even in the active matrix type using amorphous silicon.
【0033】この冷気としては外部の温度よりも低温で
あればよく、10℃以下が望ましい。The cold air may be at a temperature lower than the outside temperature, and is preferably 10 ° C. or lower.
【0034】なお、上記実施例では、扉22の後面板4
6に4つの流通口64を設けたが、これに限らず、液晶
表示装置32のサイズ等に応じて流通口64の数や大き
さを適宜変更してもよい。In the above embodiment, the rear plate 4 of the door 22 is
Although the four circulation ports 64 are provided in the sixth embodiment, the number is not limited to this, and the number and size of the circulation ports 64 may be appropriately changed according to the size of the liquid crystal display device 32 and the like.
【0035】また、液晶表示装置32は前面から凹部5
0に嵌め込む形であるため、バックライトユニット62
のバックライトが交換必要になった場合でも、この液晶
表示装置32を凹部50から取り出せば、容易にバック
ライトの交換をすることも可能である。Further, the liquid crystal display device 32 has a recess 5 from the front side.
The backlight unit 62 has a shape to be fitted into 0.
Even when the backlight needs to be replaced, the backlight can be easily replaced by taking out the liquid crystal display device 32 from the recess 50.
【0036】さらに、この冷蔵庫10の扉22を製造す
る場合においても、前面板44と後面板46を取付けた
後、発泡ウレタン48を発泡注入して硬めた後、凹部5
0に液晶表示装置32を取り付けるだけでよいため、そ
の製造が容易である。Further, also in the case of manufacturing the door 22 of the refrigerator 10, after the front plate 44 and the rear plate 46 are attached, the urethane foam 48 is foam-injected and hardened, and then the recess 5 is formed.
Since it is only necessary to attach the liquid crystal display device 32 to 0, its manufacture is easy.
【0037】[0037]
【発明の効果】以上により本発明の冷蔵庫であると、こ
の冷蔵庫の扉の前面に液晶表示装置を単に取り付けるだ
けでなく、液晶表示装置に冷却室の冷気を流通口を介し
て供給するため、液晶表示装置の劣化を防止することが
できる。そのため、台所のように湿度や温度の高い場所
で使用しても、液晶表示装置の耐久性を高めることがで
きる。As described above, according to the refrigerator of the present invention, not only the liquid crystal display device is simply attached to the front surface of the refrigerator door, but also the cool air in the cooling chamber is supplied to the liquid crystal display device through the flow port. It is possible to prevent deterioration of the liquid crystal display device. Therefore, the durability of the liquid crystal display device can be enhanced even when the liquid crystal display device is used in a place where humidity and temperature are high such as a kitchen.
【図1】本発明の一実施例を示す冷蔵庫の斜視図であ
る。FIG. 1 is a perspective view of a refrigerator showing an embodiment of the present invention.
【図2】冷蔵室の扉の縦断面図である。FIG. 2 is a vertical sectional view of a refrigerator compartment door.
【図3】冷蔵室の扉を開いた状態の正面図である。FIG. 3 is a front view of the refrigerator compartment with the door open.
【図4】冷蔵庫のブロック図である。FIG. 4 is a block diagram of a refrigerator.
10 冷蔵庫 22 扉 32 液晶表示装置 64 流通口 10 Refrigerator 22 Door 32 Liquid crystal display device 64 Distribution port
Claims (2)
液晶表示装置を設けた冷蔵庫において、 前記扉内部に液晶表示装置を設け、 前記液晶表示装置の表示面である前面を、前記扉の前面
から視認可能とすると共に、 前記液晶表示装置へ、前記冷却室の冷気を流すための流
通口を設けたことを特徴とする請求項1記載の冷蔵庫。1. A refrigerator in which a liquid crystal display device is provided on a door of a cooling room such as a refrigerating room, a freezing room, and a vegetable room, wherein a liquid crystal display device is provided inside the door, and The refrigerator according to claim 1, wherein the refrigerator is made visible from the front surface of the door, and a flow port for flowing the cool air of the cooling chamber is provided to the liquid crystal display device.
示装置であることを特徴とする冷蔵庫。2. A refrigerator characterized in that the liquid crystal display device is an active matrix liquid crystal display device made of amorphous silicon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP6255296A JPH09250868A (en) | 1996-03-19 | 1996-03-19 | Refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6255296A JPH09250868A (en) | 1996-03-19 | 1996-03-19 | Refrigerator |
Publications (1)
Publication Number | Publication Date |
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JPH09250868A true JPH09250868A (en) | 1997-09-22 |
Family
ID=13203543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6255296A Pending JPH09250868A (en) | 1996-03-19 | 1996-03-19 | Refrigerator |
Country Status (1)
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